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On occasion Saturday night, Ohio State lined up with quarterback Braxton Miller in the shotgun, flanked by running back Carlos Hyde and receiver Dontre Wilson.

If you're a defensive coordinator, that might qualify as a special kind of torture. Think of all the possibilities with that trio. There's Hyde, the 235-pound power back who at times couldn't be tackled by Wisconsin. There's Wilson, still just a freshman but already one of the fastest players in the Big Ten who's fulfilling the Percy Harvin role for Urban Meyer's offense. Then of course there's Miller, who can beat you with his arms or his legs.

That particular offensive grouping didn't create a ton of damage in the Buckeyes' 31-24 victory. But it showed that, like sideline observer LeBron James, Ohio State now can do a little bit of everything now when it has the ball.

In fact, Meyer's biggest lament about the offense after Saturday's game was that he couldn't find playing time for Jordan Hall and Kenny Guiton. Hall, who leads the team with 427 rushing yards and eight touchdowns, got one carry against the Badgers. Guiton -- who leads the Big Ten in passing touchdowns with 13 -- never saw the field.

Miller quickly showed why the "debate" over whether he or Guiton should start was always silly, because he simply can do so many more things. Offensive coordinator Tom Herman said Monday that Miller still made some mental mistakes and needs to do a better job scrambling straight up the field. But Herman praised Miller's back-shoulder throw to Devin Smith for a touchdown, and Ohio State has now incorporated a vertical passing game to go along with its strong rushing attack. Receivers Smith, Corey "Philly" Brown and Evan Spencer are drawing praise not scorn from Meyer these days, and the trio has combined for 13 touchdown catches.

"They use their weapons well at every position," Northwestern coach Pat Fitzgerald said Monday. "They can get the ball to anybody, and they can score on any given play."

Fitzgerald should know exactly what that looks like, because he has built the same thing with his team. In fact, when Northwestern hosts Ohio State on Saturday night in Evanston, we will see arguably the two most versatile offenses in the Big Ten.

The Wildcats, of course, employ a two-quarterback system with Kain Colter and Trevor Siemian, the former excelling as a runner and the latter serving as something like a designated passer. Offensive coordinator Mick McCall can use the option game with Colter or spread the field with Siemian and a deep group of wide receivers. The two quarterbacks are completing 69.8 percent of their passes.

In fact, Northwestern is fourth in the Big Ten in both passing and rushing yards, the only team to rank in the top four in each of those categories. The Wildcats have accomplished that almost entirely without star tailback Venric Mark, who has dealt with an unspecified lower body injury all season. But Mark, who ran for 1,371 and was an All-American punt returner last season, is listed as a co-starter on the team's depth chart this week.

Fitzgerald said Monday that if Mark gets through practice without issue, "we will have him in some capacity" on Saturday. Treyvon Green (404 rushing yards, five touchdowns) has filled in nicely for Mark and brings a bit more power, but Northwestern's offense takes on a different dimension with Mark's speed, especially when paired with Colter.

Northwestern will likely need every available weapon against Ohio State, which managed to shut down Wisconsin's running game on Saturday while allowing some big plays through the air.

All coaches talk about being "multiple" on offense, but the Wildcats and Buckeyes truly embody that this season. Nebraska can also do just about everything, though the Huskers' offense sputtered against UCLA, while Penn State can keep defenses guessing with many formations and plays. Just about everybody else in the league is looking for a consistent passing game (Minnesota, Iowa, Wisconsin), a dependable running attack (Indiana, Illinois) or both (Michigan, Michigan State and Purdue).

Ohio State and Northwestern both have inexhaustible options on offense. The trick will be finding which ones work best on Saturday night.

Northwestern's record is a perfect 4-0, but the Wildcats haven't exactly been perfect. They enter the bye week after an unconvincing 35-21 win over FCS school Maine, and they'll try to regroup in time for their next big test -- against No. 4 Ohio State on Oct. 5. Here are a few things they'll have to focus on to improve in time for the conference season:

1. Get tailback Venric Mark up to speed. Northwestern's option just hasn't been the same without Mark, who hasn't played since Week 1 because of a leg injury. He returned to practice Tuesday, however, and Pat Fitzgerald labeled him "day to day." The Wildcats' rushing attack has fared well in his absence, but Northwestern sure could use the running back who rushed for 1,366 yards and a dozen scores last season. Northwestern needs its best players for its best opponents, so Mark's progress here is paramount. This bye week is crucial to him healing.

2. Shore up the secondary. Pat Fitzgerald was thrown a curveball when cornerback Daniel Jones suffered a season-ending injury in Week 1, and the Wildcats' secondary just hasn't been able to rebound. Teams are targeting Jones' replacement, Dwight White, and Northwestern will have to find a way to neutralize opponents' passing games. The numbers just haven't been pretty so far. Northwestern ranks No. 115 in pass defense, allowing 308 yards a game, and that issue has caused problems elsewhere. Opponents are converting more than 44 percent of their third downs, which puts NU at No. 94 in that area. And their red-zone defense has been atrocious. Opponents, which include the likes of Maine and Western Michigan, have combined to score on all but one of their 14 trips to the red zone. Those aren't numbers expected of a Big Ten title contender.

3. Limit the turnovers. It's difficult to point too many fingers at an offense that's scored at least 35 points in four consecutive games. But turnovers have stalled too many Wildcats drives. They've committed seven turnovers already -- four interceptions, six fumbles (three lost) -- when they had just 15 all last season. In just the last three games, Kain Colter fumbled twice (neither lost) and threw two interceptions on 35 passing attempts. He has to protect the ball better or this trend could turn into a bigger problem. Northwestern was ranked within the top 15 last season when it came to limiting turnovers. This season? Tied for 82nd.

Welcome back, Ron Swanson.

• Braxton Miller will "probably start" for Ohio State after missing the last two games and almost all of a third. Bradley Roby took some exception to all the praise about Wisconsin as Big Ten royalty. The absence of Bret Bielema has softened some of the hatred in a competitive series, Kyle Rowland writes.
• Chris Borland is looking to make an impression in his home state. Badgers defensive coordinator Dave Aranda sought out some help to prepare for the Buckeyes. Wisconsin is trying to find a role for Tanner McEvoy, and it might just come on defense this week at Ohio State.
• Penn State players are pleased about the positive developments for the future of the program, but right now the focus is on the present. So, how long will Bill O'Brien stick around with the program now, Bob Flounders asks.
• Minnesota quarterback Philip Nelson is improving, but his status is still uncertain for the team's Big Ten opener against Iowa. Ben Lauer has grown two more inches since the Gophers started recruiting the left tackle, but it still might be hard to believe he was ever overlooked at his size.
• Iowa is finding big plays in a variety of different areas, sparking a much more entertaining start to the season. Kirk Ferentz and the Hawkeyes can relate to what Minnesota coach Jerry Kill is going through.
• An American board the International Space Station played football at Illinois and finished his career as a captain. The Monheim family is tough to miss at Illinois games, and Mason Monheim is making an impression on the field as well.
• Northwestern quarterback Kain Colter weighs in on the "All Players United" movement, and Pat Fitzgerald doesn't appear to be a fan. Taking stock of the Wildcats during the bye week.
• Michigan is going to give Fitzgerald Toussaint some rest this week and work in a few younger backs to the rotation during the bye. Brady Hoke is stressing the need for Devin Gardner to stop trying to be "Superman."
• Connor Cook has a chance to prove he can be resilient at quarterback for Michigan State. After no shortage of success with quarterbacks, how did the Spartans get in their current situation?
• Most of the Purdue coaching staff is familiar with Jordan Lynch and Northern Illinois after taking him on last season at Kent State. The Huskies can return the favor by noting some similarities between Kent State and Purdue.
• Nebraska has gone back to basics on defense, and Bo Pelini is seeing improvement during the bye week. Those who have been around quarterback Tommy Armstrong aren't surprised with his quick success.
• Indiana kicker Mitch Ewald is making a run at a significant school record.

Remember two weeks ago when we were debating Ohio State versus Michigan as the Big Ten's top team? Well, the Buckeyes have created some separation from Michigan and the rest of the league with two dominant offensive performances. Michigan, meanwhile, either has a massive hangover from beating Notre Dame or a lot of issues to sort out.

We gave the Wolverines the benefit of the doubt after the Akron game and kept them at No. 2. After Saturday night's slopfest at Connecticut, we can no longer keep Michigan in the second slot. Northwestern looked lackluster for the second straight week but avoided the major scare Michigan has endured. Wisconsin, meanwhile, might be the league's second-best squad. We'll find out a lot about the Badgers this week in Columbus.

Minnesota and Iowa make nice moves this week, while Indiana takes a tumble.

As a reminder, we keep these rankings consistent with how we vote in the ESPN.com Top 25. Here's one final look at last week's power poll.

Let's get to the rundown ...

1. Ohio State (4-0, last week: 1): We'll finally get a gauge on these Buckeyes as they open Big Ten play Saturday night against Wisconsin, but the recent results have been encouraging. Braxton Miller's absence once again didn't faze Ohio State, which scored 34 points in the first quarter and received a nice boost from running back Carlos Hyde in his season debut. Backup signal-caller Kenny Guiton continued his surge with a school-record six touchdown passes. Miller likely returns this week, but the Buckeyes' offense clearly is more than just one man this season.

2. Northwestern (4-0, last week: 3): For whatever reason, Northwestern looks worse against weaker nonleague foes than seemingly stronger ones. The Wildcats had more positives against Cal and Syracuse than Western Michigan and Maine, although they were never in serious danger of losing in the past two weeks. Linebacker Damien Proby sparked a takeaway-driven defense Saturday. Quarterbacks Kain Colter and Trevor Siemian struggled but have two weeks to prepare for Ohio State, when running back Venric Mark is expected back.

3. Wisconsin (3-1, 1-0 Big Ten; last week: 4): Credit Gary Andersen's players for not letting last week's unfortunate ending linger as they opened Big Ten play against Purdue. Wisconsin went back to what it does best, overpowering opponents with the run game, as Melvin Gordon and James White combined for 292 rush yards and four touchdowns. The Badgers' defense bottled up Purdue, surrendering only 12 first downs, 45 rush yards and 180 total yards. You have to like how Wisconsin is performing before this week's showdown in Columbus.

4. Michigan (4-0, last week: 2): The Akron game could be forgivingly dismissed as a letdown. But when many of the same issues surface for the second straight week against a poor opponent, it's reason to be concerned. Michigan won't stay perfect much longer if quarterback Devin Gardner keeps turning over the ball (he leads the nation with 10 turnovers) and the offensive line endures periods of inconsistent play. Coach Brady Hoke and his staff have plenty of items to address this week before the Jug game against potentially undefeated Minnesota.

5. Nebraska (3-1, last week: 6): After a turbulent eight days, Bo Pelini wanted his players to have some fun in their final nonleague tuneup. The offense had plenty despite playing without top quarterback Taylor Martinez, eclipsing 300 pass yards and 300 rush yards. Reserve quarterbacks Tommy Armstrong and Ron Kellogg III both performed well. The defense had a lot less fun, however, surrendering 465 yards in a performance that Pelini labeled its worst of the season. Nebraska has to get a handle on its defense this week before opening Big Ten play against Illinois.

6. Minnesota (4-0, last week: 7): Knock San Jose State if you must, but the Spartans provided the biggest test for Minnesota to date, and the Gophers passed it with flying colors. Minnesota showed the physical dominance coach Jerry Kill has been waiting for, piling up 353 rush yards and six touchdowns behind quarterback Mitch Leidner and running back David Cobb. Although San Jose State's David Fales showed why he's an NFL prospect, the Gophers continued to force turnovers. Minnesota hosts Iowa this week in a game that has more than bacon on the line.

7. Michigan State (3-1, last week: 5): The Spartans looked like the better team for much of Saturday's game at Notre Dame. But many of the same issues that surfaced in close losses last season -- stalled drives, dropped passes, not enough takeaways and missed field goals -- surfaced in a 17-13 setback. Coach Mark Dantonio and his players say this feels different, and that they can overcome their errors to make some noise in a wide-open Legends Division. The defense remains championship-level, but there are other issues to sort out, namely quarterback.

8. Penn State (3-1, last week: 8): Kent State's woeful offense turned out to be the perfect cure for a Nittany Lions defense that struggled mightily in a Week 3 loss to Central Florida. Safety Ryan Keiser and cornerback Jordan Lucas helped trigger Penn State's first shutout since 2010, as the Lions allowed only nine first downs and 190 total yards. The run game once again surged behind Akeel Lynch (123 rush yards) and others. Penn State's defense will face much greater tests when Big Ten play begins in two weeks.

9. Iowa (3-1, last week: 11): Kirk Ferentz's crew is clearly on the rise after its most complete performance in recent memory. Iowa received numerous contributions on offense, two punt return touchdowns from Kevonte Martin-Manley and a pick-six from B.J. Lowery -- all during a 38-point first half against Western Michigan. Lowery added another pick-six in the second half and stomped the Broncos. After a rough start to the season, Iowa has the momentum it needs heading into a pivotal Big Ten opener against Minnesota.

10. Illinois (2-1, last week: 10): The Illini sat back and watched the rest of the Big Ten in Week 4, enjoying the first of two open weeks. They'll have an excellent chance to improve to 3-1 this week against an 0-3 Miami (Ohio) squad that was shut out Saturday against Cincinnati and has scored just 21 points in its first three games. This is the perfect opportunity for Illinois' defense to rebound after getting gashed by Washington in Week 3. Illini quarterback Nathan Scheelhaase tries to bounce back after completing just 9 of 25 pass attempts.

11. Indiana (2-2, last week: 9): Just when Indiana appears ready to turn a corner, it becomes Indiana again. For the second time in three games, Indiana limped out of the gate and fell behind, never finding a good offensive rhythm and struggling to stop Missouri's balanced attack. Missouri piled up 623 yards, a Memorial Stadium record for an Indiana opponent. The Hoosiers' defense remains far too vulnerable, and quarterback Nate Sudfeld struggled, throwing three interceptions. There's a lot to fix in the open week before Penn State comes to town.

12. Purdue (1-3, 0-1 Big Ten; last week: 12): Trips to Madison haven't been kind to the Boilers, and Saturday's proved to be no exception as Darrell Hazell's team took a step back after an encouraging performance against Notre Dame. When you can't run the ball or stop the run, you have no chance, and Purdue struggled mightily in both areas. Hazell admits Purdue must do some "soul searching" following a rough start, and things don't get any easier this week against Jordan Lynch and Northern Illinois.

After two relatively easy weeks of picking games, the challenge gets much tougher with a delicious slate of Week 3 games. Last week, our picks mirrored one another. There will be some disagreements this time around.

Let's dive in ...

BOWLING GREEN at INDIANA

Brian Bennett: Bowling Green has looked terrific in its first two games, while Indiana's defense was all but absent last week versus Navy. Different styles, but I think the Falcons seize on the Hoosiers' weaknesses. They kick a field goal late for my not-very-special upset special. ... Bowling Green 37, Indiana 34

Adam Rittenberg: I had Indiana beating Navy and losing this game entering the season, so naturally, I'm picking the Hoosiers to win after falling to Navy. The defense bounces back a little against a more conventional offense, and Nate Sudfeld consistently attacks downfield to Kofi Hughes and Shane Wynn. Sudfeld rallies IU in the fourth quarter and finds Ted Bolser for the game-winning touchdown. ... Indiana 38, Bowling Green 35

WESTERN ILLINOIS at MINNESOTA

Rittenberg: Can you wake me when Minnesota finally starts playing someone? Quarterback Philip Nelson adds two more rushing scores as the Gophers pull away early in the third quarter following a Ra'Shede Hageman forced fumble. Then we can look ahead to San Jose State. ... Minnesota 37, Western Illinois 17

Bennett: There's not much interesting about this game, except that we get to throw around the word "Leathernecks." It's a good week to get Mitch Leidner some experience. ... Minnesota 35, Western Illinois 13


UCLA at NEBRASKA

Bennett: I've gone back and forth on this all week, but in the end I worry that Nebraska's home-field advantage won't be enough to overcome its youth on defense. Brett Hundley amasses five total touchdowns, and the Huskers come up just short on their final drive. ... UCLA 38, Nebraska 34

Rittenberg: Nebraska's defense remains a big concern, especially against Hundley, but with no Johnathan Franklin, the early kickoff and a long trip, I expect UCLA to be a big sluggish. Martinez delivers a turnover-free performance in a big game and finds Quincy Enunwa for the game-winning touchdown pass in the final minute. ... Nebraska 35, UCLA 34

AKRON at MICHIGAN

Rittenberg: UCF's Blake Bortles abused Akron for big plays in Week 1. Devin Gardner, eat your heart out. The Gardner-Gallon connection cranks up again as Jeremy Gallon hauls in two more touchdowns. Fitzgerald Toussaint goes for 120 rush yards and a score as Michigan rolls. ... Michigan 45, Akron 17

Brian Bennett: Akron has won four games since the end of the 2009 season. Notre Dame hangover? Maybe, but it won't matter one bit. ... Michigan 48, Akron 10


YOUNGSTOWN STATE at MICHIGAN STATE

Bennett: Is Jim Tressel back coaching Youngstown State? Maybe then the Penguins would have a chance. The Spartans play Connor Cook and Damion Terry and get only two touchdown drives out of both of them. But the defense scores again. ... Michigan State 27, Youngstown State 3

Rittenberg: I'm tempted to go with the Penguins since Michigan State's offense is ice cold (be sure to tip your waitress). This will be close for three quarters, but Michigan State's Terry steps up late with a touchdown pass and a touchdown run (yes, two offensive touchdowns). Sadly, no touchdown for Bane this week. ... Michigan State 24, Youngstown State 10

IOWA at IOWA STATE

Rittenberg: Do I have to pick a winner here? Iowa took a step back last week in many ways, although the power run stepped up when the team needed a lift. This will be a sloppy game on both sides, but Mark Weisman and Damon Bullock, along with the offensive line, prove to be the difference in the fourth quarter. ... Iowa 19, Iowa State 17

Bennett: Kirk Ferentz really needs this game. Then again, so does Paul Rhoads after losing to Northern Iowa in the opener. I don't expect many fireworks, either, but the Cyclones are just a little more desperate and have the momentum in this series. They win it on an overtime field goal. ... Iowa State 16, Iowa 13

UCF at PENN STATE

Bennett: UCF is a trendy sleeper pick and has an experienced quarterback. But Penn State's defense is a major step up from Conference USA/American Athletic competition. It's close for a half, but Christian Hackenberg gets going in the third quarter with a pair of touchdown tosses to Allen Robinson, and Bill O'Brien tops George O'Leary. ... Penn State 27, UCF 17


Rittenberg: Tricky game for Bill O'Brien's crew, but I expect Penn State's defense to do enough against Blake Bortles and a talented UCF offense. UCF jumps out to an early lead, but Zach Zwinak and Akeel Lynch spark Penn State's rushing attack in the second half, each scoring a touchdown as the Lions prevail. ... Penn State 34, UCF 27

WASHINGTON vs. ILLINOIS (at Chicago)

Rittenberg: Washington is the more talented and experienced team, and a lot needs to go right for the Illini to pull off the upset. I see another fast start for Illinois against a Huskies team that struggles on the road and might be a little sleepy following a bye week. Nathan Scheelhaase throws two more touchdown passes, but Washington tight end Austin Seferian-Jenkins proves to be the difference with 120 receiving yards and a score. ... Washington 31, Illinois 21

Bennett: I'd like to pick the Illini here because it would be a great story. They certainly proved me wrong last week in a big way. I still think Washington is just a little too talented, though. Keith Price throws four touchdown passes, making him the best quarterback Soldier Field has seen in a while. (That one's for you, Adam.) ... Washington 37, Illinois 23


OHIO STATE at CALIFORNIA

Bennett: Cal played Northwestern pretty tough and then ... almost lost to Portland State? Inconsistency should be expected, I guess, with a freshman QB and a new coach. There are going to be a whole lot of big plays in this one, and I suspect Kenny Guiton will see the majority of the action. Big coming-out party for Dontre Wilson here. ... Ohio State 49, Cal 28


Rittenberg: Cal provides a nice test for Ohio State's young defense, but the presence of cornerback Bradley Roby should help hold one of the Bears' standout wide receivers (Chris Harper and Bryce Treggs) in check. Ohio State has too much at the line of scrimmage and will use its ground game of Jordan Hall, Rod Smith and Wilson to outlast the Bears. ... Ohio State 38, Cal 27

NOTRE DAME at PURDUE

Rittenberg: The Boilers have shown me nothing to suggest they can knock off a team like Notre Dame, which is pretty darn good despite last week's loss in Ann Arbor, Mich. Purdue starts strong but can't finish two early drives. The Irish then take over with their rushing attack, led by Amir Carlisle, and force two second-half takeaways. ... Notre Dame 38, Purdue 17

Bennett: Circle the wagons, Purdue. It's going to be a long couple months. ... Notre Dame 35, Purdue 7


WESTERN MICHIGAN at NORTHWESTERN

Bennett: Western Michigan just lost to Nicholls State. OK, then. Northwestern might not be quite as sharp after two big games, but it won't need to be. Kain Colter rushes for 100 yards and a pair of scores, and he and Trevor Siemian both get an early rest. ... Northwestern 38, Western Michigan 10


Rittenberg: Previous Northwestern teams might be ripe for a letdown, but not the 2013 squad. Kain Colter and Trevor Siemian deliver another strong performance, combining for five touchdowns (three pass, two rush), including two scoring passes to Christian Jones. The defense forces two more turnovers as the Wildcats cruse. ... Northwestern 41, Western Michigan 17

WISCONSIN at ARIZONA STATE

Rittenberg: I just don't like the matchup for the Badgers, even though they've been so impressive early on. Arizona State's strength (pass game) goes up against Wisconsin's weakness (secondary), and although the Badgers control the clock with their run game, the Sun Devils hit in too many big plays. Too much Taylor Kelly in this one. ... Arizona State 35, Wisconsin 28

Bennett: I think big Will Sutton will be a shock to the system to Wisconsin offensive linemen used to dealing with the UMass and Tennessee Tech lines of the world. The secondary also gets burned a few too many times. Joel Stave throws two interceptions to thwart a comeback attempt, and Big Ten teams stay thirsty in the desert. ... Arizona State 28, Wisconsin 20.


Wait, we're not done yet. It's time for our guest picker of the week. Oh, you haven't heard? Throughout the season, we'll choose one fan/loyal blog reader each week to try his or her hand at outsmarting us. There's nothing but pride and some extremely limited fame at stake. If you're interested in participating, contact us here and here. Include your full name (real names, please) and hometown and a brief description why you should be that week's guest picker. Please also include "GUEST PICKS" in all caps somewhere in your email so we can find it easily.

We found this week's picker in the desert: Adam Fraser from Gilbert, Ariz.

The floor is yours:

I'm a lifelong Husker fan living in Arizona. I'm a season-ticket holder and couldn't make it back for the UCLA game. I just started a new career at Prudential and my boss played football for UCLA. I've followed your blog for years and constantly smash your predictions. Let me put it on record at least one week, the Huskers biggest week of the year!! Thanks Adam (do it for your fellow Adam).

Other Adam's picks ...

Bowling Green 42, Indiana 40
Minnesota 30, Western Illinois 20
Nebraska 41, UCLA 37
Michigan 45, Akron 6
Michigan State 20, Youngstown State 13
Iowa 20, Iowa State 16
Penn State 24, UCF 13
Washington 31, Illinois 30
Ohio State 30, California 28
Notre Dame 38, Purdue 14
Northwestern 48, Western Michigan 10
Arizona State 34, Wisconsin 20

SEASON RECORDS

EVANSTON, Ill. — It took Kain Colter four days to get cleared following a concussion, 51 seconds to score his first touchdown of the season and just more than 27 minutes of playing time to start kicking himself for a mental error.

An error that, nonetheless, still resulted in another score.

Yes, everything was gravy for Colter and the Northwestern offense in the quarterback's return this past Saturday, as he and Trevor Siemian combined to complete 30 of 37 passes for 375 yards, four touchdowns and zero turnovers.

Yet that mental lapse — which came when the senior was hit and reached his arm out over the plane for a 16-yard touchdown run in the second quarter — still nagged at Colter after the 48-27 victory over Syracuse.

"Throughout my career I've seen guys do that in practice and fumble it and coaches just like blow up," Colter said. "[Coach Pat Fitzgerald] said, 'If you do it, it better work.' "

Everything was working for the Wildcats' offense in its home opener, as the unit tallied 581 yards and ran with machine-like efficiency regardless of which quarterback was directing the action. And the nation's No. 17 team might just be getting started.

Colter was cleared on Wednesday after being knocked out of the opener at Cal with a concussion, and he orchestrated a four-play, 75-yard touchdown drive on the game's first possession. He completed his first eight throws for 86 yards on the game's first three possessions.

New signal caller, similar results.

Siemian completed 11 of his first 12 passes for 181 yards and two touchdowns, his only incompletion on a slant pattern to Christian Jones in the end zone that could have easily been flagged for pass interference.

Fitzgerald said both players' production Saturday created a good problem to have, and he credited offensive coordinator and quarterbacks coach Mick McCall for knowing who would fit in at the right time.

"It's just the balance from the standpoint of figuring out what we like schematically, who's got the hot hand," Fitzgerald said. "Today they both did — that's nice, that's an added bonus. It makes it a little bit more difficult."

Siemian stepped up in Colter's absence a week earlier, completing 18 of 29 throws for 276 yards in the victory over the Golden Bears. Both stretched the field throughout Saturday's contest against the Orange, with the threat of Colter's legs boosting the option attack that helped him gain a team-best 87 rushing yards on the night.

"He's a dynamic playmaker," Fitzgerald said of Colter, whose father Spencer played on Colorado's national title team 23 years ago. "He's one of the more dynamic playmakers not only in this conference, but also in the country. He has an unbelievable grasp of our offense."

Fitzgerald got in the face of his defense early in the second half after it surrendered a quick touchdown drive after the break. The unit forced four turnovers Saturday and is tied for third nationally with seven takeaways through two games, but allowing 982 yards of offense so far this season gives Fitzgerald enough to pick apart on that side of the ball.

Still, the offense has been crisp, save for an early Colter fumble Saturday that he recovered himself. And it has produced against a pair of BCS-conference opponents mostly without home-run threat Venric Mark, as the All-America punt returner nurses a lower-body injury.

Big Ten favorite Ohio State visits Oct. 5 to close out a four-game homestand at Ryan Field, drawing a primetime setting that will offer all a chance to see just how far the Wildcats have progressed.

In the meantime, Western Michigan and Maine should provide Northwestern ample opportunities to shore up loose ends going into its Week 5 bye at the end of the month.

"Two weeks in and I'd like to think we're as balanced as anybody," Fitzgerald said. "We've got two very dynamic quarterbacks; I've kind of been pounding the drum for years here talking about 1A and 1B, about two championship-level quarterbacks. I think they're really playing well in the framework of what we're doing and are complementing each other well. I also think what has been going somewhat overlooked is the play of our young offensive line. That group is really starting to come together. There's a lot of room for improvement there but I really think they're starting to get an attitude about them and I think that's only going to solidify going forward."

The top half of the Power Rankings remains exactly the same, but some interesting story lines are starting to develop.

Is Ohio State or Michigan the Big Ten's best team? Michigan made its case Saturday night against Notre Dame, while Ohio State's bigger tests await in Weeks 5 and 6 (Wisconsin and Northwestern). For now, we're keeping the Buckeyes at No. 1, but we'll need to see a strong performance this week on the road against Cal's high-powered offense.

Northwestern and Wisconsin held steady, and both Nebraska and Penn State looked better in Week 2. Illinois is the big mover after Saturday's dominant win against Cincinnati, while Indiana, Michigan State and Iowa fall. There's some separation after the top six, and Nos. 7-9 really could appear in any order.

These are consistent with our rankings in the ESPN.com power poll.

Here's one last look at the previous Big Ten rankings.

To the rundown …

1. Ohio State (2-0, last week: 1): Braxton Miller's knee injury created some tense moments in Columbus, but Ohio State fans settled down and settled in to the smooth sounds of Kenny G (Guiton, that is). One of the nation's best backup quarterbacks torched San Diego State for three touchdowns as a Buckeyes team that sleepwalked through the second half in Week 1 took charge from the get-go. Ohio State's young defense will be tested much more this week by the "Bear Raid" offense at Cal.

2. Michigan (2-0, last week: 2): Debate the Notre Dame-Michigan rivalry all you want, but it mattered a lot for quarterback Devin Gardner and the Wolverines. Gardner proved he's a big-game quarterback and triggered an impressive offensive performance against Notre Dame's physical defense. Although Michigan's defense had some issues, it made timely plays against the Irish. The Wolverines have the look of a BCS bowl team and possibly a Big Ten champion.

3. Northwestern (2-0, last week: 3): Week 1 was all about survival for Northwestern. Saturday night, the Wildcats showed why they should contend for the Legends Division title this season. Quarterbacks Kain Colter and Trevor Siemian had their way with Syracuse's defense, and wideout Tony Jones had a huge night as Northwestern easily improved to 2-0. The Wildcats should be 4-0 in three weeks when Ohio State visits Evanston, and star running back Venric Mark should be healthy by then.

4. Wisconsin (2-0, last week: 4): The run game has been dominant, the defense suffocating and the competition level horrendous. What do we make of these Badgers after two not surprisingly dominant performances against lowly Massachusetts and Tennessee Tech? Wisconsin deserves credit for handling its business with few if any mistakes, recording back-to-back shutouts to open a season for the first time since 1958. Quarterback Joel Stave looks comfortable. But the competition goes up -- way, way up -- this week at Arizona State.

5. Nebraska (2-0, last week: 5): The Huskers defense doesn't deserve the "Blackshirts" label quite yet, but at least the unit avoided less-flattering terms for a week. Cornerbacks Stanley Jean-Baptiste and Ciante Evans set the tone for a rebound performance with pick-sixes in the first quarter, and junior-college transfer Randy Gregory applied pressure all game. The defense needs a better performance this week against UCLA, potentially the only team that can beat the Huskers during the first two months of the season.

6. Penn State (2-0, last week: 6): After a rough start, freshman quarterback Christian Hackenberg settled down in his Beaver Stadium debut. He also got a ton of help from the run game, which had struggled in the opener but broke out for 251 yards and five touchdowns. Tackle DaQuan Jones triggered a suffocating Lions defense, which will be tested much more this week when Blake Bortles and Central Florida visit Happy Valley.

7. Minnesota (2-0, last week: 8): Although Aggie Vision was the real highlight Saturday night, Minnesota provided a few of its own in an easy win against New Mexico State. The Gophers continue to find creative ways to score, adding a special teams touchdown and a defensive touchdown in a 44-21 romp. Despite being short-handed at running back, Minnesota got the ground game going behind Rodrick Williams (148 yards, 1 TD), David Cobb (56 yards, 1 TD) and quarterback Philip Nelson (122 rush yards, 1 TD). The Gophers have another tuneup this week before their first real test Sept. 21 against San Jose State.

8. Michigan State (2-0, last week: 7): Can Shilique Calhoun play quarterback? The sophomore defensive end has been Michigan State's best offensive weapon in the first two games, scoring one more touchdown than the entire Spartans offense. Michigan State's defense has added a dynamic playmaking element early this season. Unfortunately, the problems on offense only seem to be worsening and the quarterback situation is anyone's guess right now.

9. Illinois (2-0, last week: 11): Surprise, surprise, the Illini are unquestionably on the rise. Few saw it coming, but Illinois walloped Cincinnati behind another impressive performance by quarterback Nathan Scheelhaase and the offense. One of the nation's worst offenses has surged under coordinator Bill Cubit, scoring 87 points in the first two games. Linebacker Mason Monheim and the defense rebounded nicely after a shaky Week 1 effort. Can the Illini pull off another upset this week against Washington at Chicago's Soldier Field?

11. Iowa (1-1, last week: 10): Some Iowa fans undoubtedly felt better about their team after last week's loss to Northern Illinois than Saturday's win against FCS Missouri State. The Hawkeyes had just seven points through the first 37 minutes before Mark Weisman (180 rush yards, 2 TDs) took over down the stretch. Quarterback Jake Rudock showed good mobility but also threw a pick-six. Iowa faces a must-win this week as it hits the road to face rival Iowa State.

12. Purdue (1-1, last week: 12): The Boilers got a win Saturday, but they won't win many more if they don't clean up their problems on offense. If Purdue can't punch the ball into the end zone against Indiana State from inside the 5-yard line, what's going to happen against Big Ten defenses? Defensive tackle Bruce Gaston had a big day, but the Boilers need many others to elevate their play as Notre Dame visits Ross-Ade Stadium this week.

Recognizing the best and brightest from the Big Ten in Week 2:

• Illinois QB Nathan Scheelhaase: The Illini senior had a big game for the second straight week, this time against strong competition. Scheelhaase completed 26 of 37 attempts for 312 yards and four touchdowns with no interceptions in his team's surprising 45-17 win over Cincinnati.
• Michigan State DE Shilique Calhoun: The Spartans sophomore has scored three defensive touchdowns in his first two games. Michigan State's offense, meanwhile, has produced only two touchdowns in the same span. Calhoun's incredible start to 2013 continued in a 21-6 win over South Florida, as he recovered a fumble and ran it into the end zone from 4 yards out in the first quarter and added a 56-yard interception return in the third quarter. Can Calhoun play quarterback?
• Northwestern QBs Trevor Siemian and Kain Colter: No team has a more effective one-two punch at quarterback than the Wildcats. Returning after missing all but two plays of the Cal game with a concussion, Colter jumped right back into the flow of things, and Siemian continued his precision passing. Combined, the two of them completed 30 of 37 passes for 375 yards and four touchdowns, with no interceptions, in the 48-27 win over Syracuse. Colter added 87 yards rushing and a score on 11 carries.
• Michigan QB Devin Gardner and WR Jeremy Gallon: The Killer G's had a huge night in a 41-30 win over Notre Dame under the lights at the Big House. Gardner completed 21 of 33 passes for 294 yards and four touchdowns while adding 82 rushing yards and a fifth score. He did make one giant mistake by throwing the ball from his own end zone to Stephon Tuitt to put the Irish back in the game, but for the most part he carved up the vaunted Notre Dame defense. And his favorite target was Gallon, who's only 5-foot-8 but plays so much larger than that on the big stage. Gallon hauled in eight catches for 184 yards and three touchdowns as the Irish secondary just couldn't slow him down.
• Nebraska's secondary: The Huskers bounced back from Week 1's scary defensive performance with a fine showing on that side of the ball in a 56-13 win over Southern Miss. Give a lot of credit to the Nebraska defensive backs. Cornerback Stanley Jean-Baptiste returned an interception 43 yards for a score less than two minutes into the game. Nickelback Ciante Evans added two interceptions, and safety Corey Cooper grabbed his first career pick. Corner Josh Mitchell chipped in with three tackles for loss. The Huskers will need that kind of effort again next week versus UCLA.

Lessons learned from Week 2 in the Big Ten:

1. Ohio State has company at the top: The widely-accepted thought going into the season was that the Big Ten would be Ohio State and everybody else. Well, after two weeks, it's fair to say the Buckeyes have company from the team they dare not name: Michigan. The Wolverines have looked mighty impressive in their first two games, especially in Saturday's 41-30 win over Notre Dame.

Devin Gardner has made Michigan's offense truly balanced, and he is as dynamic a playmaker as Ohio State's Braxton Miller. Greg Mattison's defense gave up some yards and points to Notre Dame but is always going to be solid, more so if Jake Ryan returns this year.

Ohio State was also very good in a 42-7 win over San Diego State, especially considering Miller got hurt early on and was replaced more than adequately by Kenny Guiton. The Buckeyes have yet to play good competition or reach their peak with their full lineup available. Their ceiling might remain higher than the Wolverines', but Ohio State still has to go to the Big House, where Brady Hoke has never lost as a head coach. Having both of these teams reach superpower status this year ultimately will be good for the league. It's early, but it looks like we're on our way toward that, though those two teams are not the only ones to consider in the conference race. Speaking of which ...

2. Northwestern is a legitimate contender: Ohio State and Michigan are the Big Ten's top two teams, but Northwestern isn't far behind. Pat Fitzgerald's team needed some offense from its defense to survive a tough opener at Cal last week. The offense needed no such help Saturday as top quarterback Kain Colter returned to the field and, along with quarterback Trevor Siemian, wide receiver Tony Jones and others, shredded Syracuse's defense to the tune of 48 points and 581 total yards. Colter and Siemian combined to go 30-of-37 passing for 375 yards with four touchdowns, no interceptions and 91 rush yards.

Northwestern hasn't even been at full strength yet -- star running back/return man Venric Mark continues to nurse an injury -- and still looks like a superior team to the 2012 version, which won 10 games. Although the defense remains vulnerable to the big play, it also generates takeaways, continuing a theme from last season. The tough part of the non-league slate is over, as Northwestern has only Western Michigan and Maine left before two weeks to prepare for an Oct. 5 showdown with Ohio State, which should be the most-anticipated game of Fitzgerald's tenure. Northwestern's league schedule isn't easy, but it should be in the thick of the Legends Division race when November rolls around.

3. Song remains the same for Michigan State, Indiana: What good is it being outstanding on one side of the ball if the other side can't hold its own weight? Michigan State and Indiana have changed a lot of names in an effort to shore up their crummy offense and defense, respectively, but the more things change, the more they stay the same.

The Spartans' quarterback picture is becoming an absurd theater; Mark Dantonio gave Connor Cook his first career start and Tyler O'Connor his first collegiate action but had to go back to incumbent starter Andrew Maxwell to start the second half against USF after both struggled. The three quarterbacks combined to go just 12-of-24 for 94 yards and did nothing to clear up the picture, while the offense managed only one score against a Bulls team that gave up 53 to McNeese State a week earlier. Thank goodness for the MSU defense, but it can't carry everything on its back all season again.

It's the opposite story at Indiana, which supposedly practiced all offseason to prepare for the Navy option but then looked as if it had never seen such a thing before in a dispiriting 41-35 loss. The Hoosiers have added some talented freshmen to the defensive mix, but they couldn't prevent the Midshipmen from rolling up 444 rushing yards. Indiana can still throw it and score with anybody and has put up 108 points in two games, but Kevin Wilson's team isn't going bowling unless the defense becomes competent. If only the Spartans and Hoosiers could combine into an all-star team, we'd really have something.

4. Mystery lingers around Wisconsin, Nebraska and Minnesota: We're still waiting to learn something about the Badgers, Huskers and Gophers, who are a combined 6-0 but have yet to face a true test (sorry, Wyoming).

Wisconsin has posted back-to-back shutouts to open a season for the first time since 1958, and the run game looks as strong as ever with James White, Melvin Gordon and even Corey Clement, each of whom has rushed for more than 100 yards in the first two games. But few teams have faced weaker competition (Massachusetts, Tennessee Tech).

Nebraska's defense performed much better in Week 2, as cornerbacks Stanley Jean-Baptiste and Ciante Evans both had pick-sixes. But the Huskers' performance came against a Southern Miss team that now has lost 14 straight.

Minnesota continues to find creative ways to score, adding touchdowns on both defense and special teams in an easy win at New Mexico State. Then again, who have the Gophers faced? Fortunately, we'll find out a lot more next week as Wisconsin travels to Arizona State and Nebraska hosts UCLA. The wait will be a little longer for Minnesota, which hosts high-powered San Jose State in Week 4.

5. Illini are cellar-dwellers no more: Illinois has held pretty steady at or near the bottom of our Big Ten power rankings for about a year. But while the Illini are still far from league contenders, they no longer can be viewed as the conference's worst team after Saturday's stunning 45-17 win over Cincinnati improved their record to 2-0. The Bill Cubit-directed offense looks legit, and quarterback Nathan Scheelhaase is playing as well as he has in his career.

The Big Ten's No. 12 team now has to be Purdue, which lost to that same Cincinnati squad, 42-7, in the opener and needed a pair of late defensive stops to hold off Indiana State 20-14. Yes, the same Indiana State team that Indiana destroyed 73-35 in the Hoosiers' opener. The Boilermakers once again were plagued by communication issues and an ineffective offense that got outgained by nine yards by an FCS opponent. Darrell Hazell's team figures to be a heavy underdog in its next six games, beginning with Notre Dame this weekend.

Iowa also still has a lot to prove after struggling to put away Missouri State at home until the fourth quarter. At least the Hawkeyes finally snapped their seven-game losing streak, though beating an FBS team would be nice.

Northwestern lost quarterback Kain Colter minutes into Saturday's game and never had full use of star running back Venric Mark.

One of the nation's most dynamic offensive backfields wouldn't be a factor in a tricky road opener against Cal and its potent "Bear Raid" offense.

So what did Northwestern do? It found another way to win. Linebacker Collin Ellis recorded two interceptions for touchdowns, tight end Dan Vitale sparked the passing game and third-string running back Treyvon Green stepped up for Mark on the ground.

Aaaand ... there might have been a few injury flops involved.

It added up to an exhausting 44-30 Northwestern victory against a plucky Cal team that gave the 22nd-ranked Wildcats all they could handle. Bears true freshman quarterback Jared Goff passed for 445 yards and two touchdowns, but he showed his age with three second-half interceptions, including the game-changer, which Ellis returned 56 yards to the end zone late in the third quarter.

Ellis, who beat out Drew Smith for Northwestern's third starting linebacker spot, was all over the field in an effort that at least will earn him Big Ten Defensive Player of the Week. Northwestern also generated a decent pass rush, and safety Ibraheim Campbell picked off Goff in the closing minutes.

Cal made plenty of plays, attacking through the air with talented receivers Chris Harper (11 catches, 151 yards, 2 TDs) and Bryce Treggs (13 receptions, 145 yards). Despite a limited playbook, the Bears showed how dangerous they could be.

Northwestern was limited, too, but not by design. Colter left the game early after taking a shot to his head and his left shoulder. He was re-evaluated at halftime but ruled out, left to stew on the sideline, unable to run the nearly unstoppable zone-read with Mark.

As for Mark, the All-America returner wasn't used on returns and only played for stretches. He wasn't listed on the team's injury report and practiced throughout the preseason. It'll be interesting to see what Coach Pat Fitzgerald says about Mark's status going forward.

Northwestern surged on special teams in 2012, but Cal held a decided edge in the kicking game, scoring its first touchdown on a fake field goal and recovering a Wildcats fumble on a kickoff return. At least All-Big Ten kicker Jeff Budzien came through three field goals.

The little-used Green also stepped up late with a 55-yard burst to take Northwestern out of its own territory. He finished off the drive with a 6-yard plunge. Backup quarterback Trevor Siemian had a big first half in relief of Colter but struggled a bit down the stretch.

Injuries were a big story for Northwestern throughout the game, both real and (possibly) imagined. Wildcats players were down after many plays in the second half. Cal coach Sonny Dykes clearly thought something was up (the Bears, ironically, were the team accused of faking injuries against Oregon). Northwestern also caught a break when Cal standout linebacker Chris McCain was ejected for targeting.

A wild game for the Wildcats, but it usually is just that. They survived and advanced in a Pac-12 stadium, not an easy place for Big Ten teams to win.

It's a good bet Northwestern enters its Oct. 5 home showdown against Ohio State at 4-0. The Wildcats still have never lost an opener under Fitzgerald.

EVANSTON, Ill. -- Northwestern's preparations for its first football game of the season have been part high school and part preschool.

First, the preschool part. As they condition their bodies for Saturday's late kickoff at California (9:30 p.m. Central time), Northwestern players have nap time built into their game-week itineraries. Yes, the 'Cat naps are back.

"This nap we're getting in midday helps a lot," senior quarterback Kain Colter said. "I've actually liked it."

Coach Pat Fitzgerald started the mandatory naps last season before a mid-afternoon kickoff against Nebraska, grumbling at the time, "This is what I get paid to do? Great, nap time. Seriously? It's pathetic."

But the naps, which take place in the early to mid afternoon after meetings and a light lifting session, are an important part of getting players' body clocks right for a late kickoff on the West Coast. It sounds funny, but the Big Ten's road struggles against the Pac-12 are no joke. Pac-12 stadiums recently have been graveyards for Big Ten teams, which have dropped 20 of the past 25 true road games against Pac-12 opponents.

Northwestern is one of three Big Ten teams traveling to Pac-12 country this season. In Week 3, Wisconsin visits Arizona State and Ohio State visits Cal. The Wisconsin-Arizona State game also kicks off at 9:30 p.m. Madison time. Badgers coach Gary Andersen is taking his players to the desert two days before the game to help with the adjustment.

After practicing at 4 p.m. during most of preseason camp, Northwestern started practices at 9 p.m. this week. Players weren't required to come to the facility until late morning, and they had most of the afternoon to relax before dinner and pre-practice meetings.

"Some people don't like the midday naps," Colter said. "Maybe they're up watching TV. It's really about just getting off your feet and getting some time away from football. They don't want us to be burned out.

"For me, I'm definitely getting my nap in."

The late practices have a "Friday Night Lights" feel to them, according to wide receiver Rashad Lawrence. Fitzgerald moved game-week workouts to the school's lacrosse/soccer field on campus along Lake Michigan, partly because of the superior lighting there but also to create another adjustment for players.

Wednesday night, a bus scheduled to take players from the football complex to the on-campus field didn't show, sending assistant coaches and support staffers scrambling for their cars. Minutes later, a caravan of cars and trucks carrying players and honking their horns -- "Varsity Blues" style -- streamed into the parking lot.

"It's high school, Hank!" Fitzgerald said to defensive coordinator Mike Hankwitz.

Linebacker Collin Ellis assured Fitzgerald that he had his teammates wear their helmets in his pickup.

"Who's giving me money for gas?" one player jokingly asked the coaches.

The team's first night practice, on Monday, featured some hiccups, mainly because of the sweltering heat sweeping through the Midwest. Tuesday night's workout was much crisper.

To create a California feel, a speaker next to the field blared the sound of lapping waves (Cal's stadium, for the record, is nowhere near the ocean). The weather cooperated Wednesday night, as Northwestern practiced in Bay Area-like temperatures with fog rolling in off the lake.

"I feel real comfortable," Lawrence said. "I feel like I'm on West Coast time right now. I don’t have a sense of what the time is during the day. I just know my body is ready to go at a certain time. That’s optimal game time for us."

The toughest adjustment for Northwestern players this week might be the easiest for most college students: stay up late. Fitzgerald asked players to stay up until 1 a.m. or 2 a.m. to prepare for the late kickoff.

Northwestern normally practices in the morning, and players arrive at the complex before 7 a.m. After Tuesday's practice, Lawrence went to bed at 1:30 a.m. Tuesday. Normally, he'll be zonked out by 9 p.m.

" To make that switch and force the body to stay up for a little longer so you get a longer night's rest, it's kind of different," he said. "We tried to find ways to stay up later."

Lawrence did so by playing cards with housemates Ibraheim Campbell, Jimmy Hall and Mike Eshun. Colter, who interned at Goldman Sachs this summer, read a book about consulting.

Fitzgerald said the adjustments for players would have been more dramatic if they went straight from morning practices to evening ones. Northwestern also benefits from having no classes until Sept. 24.

"If we were in school, this would be a major problem," Fitzgerald said. "We might have to go out [to California] a day earlier. With us not being in school, it gives us the opportunity to have flexibility in our routine."

Fitzgerald and other Northwestern officials weren't pleased when the Cal kickoff time was announced, noting the late return to campus and the impact on Week 2 prep. It would be worse, Fitzgerald said, if Northwestern practiced on Sunday.

The team will conduct an injury check as soon as it returns early Sunday. Players then will be excused the rest of the day. Coaches will work until 3 p.m.

"I'm excited for the night game, I’m excited that it's a late game," Colter said. "The only thing I'm not looking forward to is the flight back, but hopefully we'll get a little bit of sleep."

And a win.

Northwestern finally shredded the monkey Jan. 1 and won its first bowl game since the 1949 Rose, recording its 10th win in the process. Pat Fitzgerald's crew returns the core pieces from that team, but faces a tougher schedule featuring the likes of Ohio State and Wisconsin.

Can Northwestern take the next logical step and reach the Big Ten title game, or will it backslide in 2013?

NORTHWESTERN WILDCATS

Coach: Pat Fitzgerald (50-39, seven seasons at Northwestern and overall)

2012 record: 10-3 (5-3 Big Ten)

Key losses: G Brian Mulroe, OT Pat Ward, DT Brian Arnfelt, LB David Nwabuisi, DE Quentin Williams

Key returnees: RB Venric Mark, QB Kain Colter, C Brandon Vitabile, TE Dan Vitale, DE Tyler Scott, S Ibraheim Campbell, CB Nick VanHoose, LB Chi Chi Ariguzo, K Jeff Budzien

Newcomer to watch: Redshirt freshman cornerback Dwight White had an excellent spring as he makes a push to start opposite Nick VanHoose. White, a 5-foot-10, 178-pound speedster, has good ball skills and brings a playmaking threat to a secondary that, while improved, needs more difference-makers. White will push Daniel Jones and others for playing time this fall.

Biggest games in 2013: The Wildcats face plenty in Big Ten play, starting with the league opener Oct. 5 against Ohio State. If Northwestern and Ohio State both come in undefeated -- a good possibility -- it'll be Northwestern's biggest home game in Fitzgerald's tenure. Another big game follows Oct. 12 at Wisconsin, and Northwestern opens November with three Legends division tests, as it visits Nebraska (Nov. 2) and hosts Michigan (Nov. 16) and Michigan State (Nov. 23).

Biggest question mark heading into 2013: Northwestern must shore up its line play on both sides of the ball after losing valuable veterans to graduation. Three starting spots must be filled on the offensive line, including right tackle, as Jack Konopka is expected to slide over to the left side. Several likely starters missed spring ball after offseason surgeries, which gave players like Shane Mertz and Ian Park added reps.

Northwestern also must find a space-eater or two on defense after losing Brian Arnfelt. The team has better depth at defensive end than tackle, where it needs more from veterans Will Hampton and Sean McEvilly.

Outlook: The arrow is definitely pointing up in Evanston after Northwestern recorded just the second 10-win season in team history and could have easily won more games. Many of the building blocks remain, including the dynamic backfield of Mark and Colter, who executed the zone-read game to perfection last fall. Northwestern has upgraded its recruiting efforts, especially on defense, and should boast more speed, athleticism and depth than it did in 2012.

So why is there a hesitation to buy into the Wildcats, who most are picking to finish third or fourth in the Legends division?

There's the Northwestern factor, as some still can't separate the program's current state from its pathetic past in the 1970s and 1980s. A more valid reason for concern is the schedule, as both Ohio State and Wisconsin return, and Northwestern skips the Indiana schools. There won't be many easy games during Big Ten play, and getting back to 10 wins will pose a significant challenge.

Northwestern once again will employ a quarterback rotation of Colter and Trevor Siemian, a big-armed junior who can spark the passing game. The receivers had a somewhat underwhelming season, but could be a bigger threat this season as almost everyone returns. Tight end Dan Vitale blossomed down the stretch in 2012 and will attack the deep middle along with wideout Christian Jones.

The defense generated 29 takeaways in 2012 and hopes to continue its playmaking ways with more explosive athletes at all three levels. Campbell is one of the Big Ten's best defensive backs, and VanHoose made a huge difference when healthy. Northwestern needs linebacker Chi Chi Ariguzo to continue smothering the football, and for speedy down linemen like Dean Lowry to complement Tyler Scott on the pass rush.

Special teams was a huge factor for Northwestern's success in 2012, and must continue its upward trajectory. The Wildcats also hope to stay healthy after losing only five starts to injury -- the fewest in the Big Ten -- last season.

"To have the number of young men we have coming back in '13 from a starting standpoint," Fitzgerald said, "gives us great confidence we'll hopefully be able to take the next step."

On paper, this is a better Northwestern team than the 2012 version, but the tougher schedule will make it difficult to match or exceed last season's win total.

We're counting down our rankings of the Top 25 players in the Big Ten for the 2013 season. This list is based on past performance and potential for the upcoming season only. We do not consider NFL potential for purposes of these rankings.

Coming up next is the ultimate Swiss Army knife of a quarterback ...

No. 14: Kain Colter, QB, Northwestern, senior

2012 postseason ranking: No. 23

2012 numbers: Completed 67.8 percent of his passes for 872 yards, eight touchdowns and four interceptions. Carried 170 times for 894 yards and 12 touchdowns. Caught 16 passes for 169 yards.

Why he's here: Colter needs to start returning kicks.

OK, so it would be insane for Pat Fitzgerald to put his starting quarterback on the kickoff or punt return teams, but that's pretty much the last area where Colter could make an impact with the ball in his hands. He's done it everywhere else. There's no one in college football quite like Colter, and as I wrote on Tuesday, his lasting legacy for Northwestern might well be his utter unselfishness in giving up snaps at quarterback.

Colter could still improve as a passer and just might as he gets farther and farther away from his shoulder injury. He's already part of the most dangerous and versatile 1-2 backfield punch in the Big Ten with tailback Venric Mark. There's almost nothing that duo could do that would surprise us anymore. Well, unless Colter suddenly starts returning kicks.

The countdown

No. 25: Jonathan Brown, LB, Illinois
No. 24: Mark Weisman, RB, Iowa
No. 23: James White, RB, Wisconsin
No. 22: Melvin Gordon, RB, Wisconsin
No. 21: John Urschel, G, Penn State
No. 20: Tyler Scott, DE, Northwestern
No. 19: Jack Mewhort, OT, Ohio State
No. 18: Deion Barnes, DE, Penn State
No. 17: Kenny Bell, WR, Nebraska
No. 16: Jared Abbrederis, WR, Wisconsin
No. 15: Ra'Shede Hageman, DT, Minnesota

We admit that some numbers we use as yardsticks of success in college football can be somewhat arbitrary.

For example, Ohio State running back Carlos Hyde had a terrific 2012 season, rushing for 16 touchdowns. But because he missed two games with injuries and the Buckeyes were ineligible for the postseason, Hyde didn't reach the "magical" 1,000-yard rushing mark. Instead, he finished with an oh-so-close 970.

Does that make Hyde's season any less outstanding. Not really. Still, there's a certain amount of prestige and pride that goes along with breaking four digits as a running back, and in a league known for running the ball like the Big Ten, it can take on added importance.

That's why we're taking a look at the players most likely to break that 1,000-yard barrier in 2013. Let's start by looking at the five returning players who pulled off the feat in 2012 and examine their prospects of doing the same for the fall:

Venric Mark, RB, Northwestern (1,371 rushing yards in 2012): Mark had eight games of at least 100 rushing yards last season, becoming the first Wildcat since 2006 to eclipse the 1k plateau. While teams will game plan heavily for him, Mark also benefits by having quarterback Kain Colter in the same backfield as another running threat. There is every reason to believe he'll be among the Big Ten's top rushers again this season.

Braxton Miller, QB, Ohio State (1,271): Miller did most of his damage on the ground in the first half of last season, and Ohio State would like to see him throw the ball more. But he also didn't gain much yardage on true scrambles last season, which could improve in '13. And since the Buckeyes are likely to play at least one more game this season, Miller is another safe bet for 1,000.

Ameer Abdullah, RB, Nebraska (1,137): Abdullah won't have to worry about splitting carries with Rex Burkhead, though Imani Cross looks to become a bigger part of the offense. With Nebraska's commitment to running the ball, the only concern about Abdullah is a knee injury that kept him out this spring. He is expected to fully recover, however.

Taylor Martinez, QB, Nebraska (1,019): Martinez broke 1,000 for the first time in his career last season, aided no doubt by Nebraska playing 14 games, including the Big Ten title game. He's a threat to rip off huge plays every time he takes off and runs, but he has needed to do that less as he's improved as a passer.

Zach Zwinak, RB, Penn State (1,000): The most unlikely member of the 1,000-yard club in 2012, Zwinak surprised everybody by emerging as Penn State's best running option. People still doubt whether he can duplicate that performance, but the Lions might rely on the running game more with a new starting quarterback under center. The lack of a 13th game does hurt his chances, however.

And now let's take a look at some players who could challenge that 1,000-yard mark in 2013, in order of likelihood:

1. Hyde (970): The senior could have to split carries with Miller, Rod Smith and others. But he really got going in the second half of last season and should get a lot more than 185 rushing attempts if he stays healthy all season.

T-2. James White (840) and Melvin Gordon (643), Wisconsin: Montee Ball is gone, but the Badgers' running back tradition should continue. White already has a 1,000-yard season under his belt, and got close last season as the No. 2 tailback. He should see his carries go up, while Gordon is wildly talented and can post huge stats without many touches. Don't be surprised if both top 1,000 yards this season.

4. Mark Weisman, Iowa (815): Weisman put up some monster numbers once the Hawkeyes set him loose out of near desperation last season, and he ran for more than 800 yards despite playing in only 10 games and being banged up for many of those. Iowa is much deeper in the backfield heading into this season, but he could still lead the team in carries.

5. Donnell Kirkwood, Minnesota (926): Kirkwood somewhat quietly had one of the highest rushing totals in the league last season. With Minnesota's dedication to the power running game and what looks like a deeper, healthier offensive line, Kirkwood should see his total go up this year if he can maintain his grip on the No. 1 job.

6. Colter, QB, Northwestern (894): It's possible Nebraska, Northwestern and Ohio State could all have QB/RB combos who go for 1,000 yards each this season. Colter was fairly close last season, and that was despite Mark's brilliance and splitting time with Trevor Siemian. Colter averaged better than five yards per carry, so it's simply a matter of how many times the Wildcats want him to run in 2013.

7. Fitz Toussaint (555) or Derrick Green, Michigan: Despite his disappointing season in 2012, Toussaint was a 1,000-yard back two years ago and could rediscover that form. If not, true freshman Green would be happy to give it a shot. The Wolverines are likely to use a more traditional running game now that Denard Robinson is gone.

8. Akeem Hunt, Purdue (335): Hunt averaged a jaw-dropping eight yards per carry last season, and looks to be the featured back for new head coach Darrell Hazell, who turned Kent State into a ground-and-pound machine. Of course, Hunt will have to prove he can take the beating of a full season as the top tailback after carrying the ball just 42 times a year ago.

9. Stephen Houston, Indiana (749): In Houston's favor: he ran for more than 800 yards two years ago, and the Hoosiers have pledged to run the ball more in 2013. Against him: He might have to share more carries this season, especially if the mobile Tre Roberson plays quarterback. And the IU coaches have never been effusive in their praise of Houston.

10. Unknown Michigan State tailback: We know that Mark Dantonio likes to feed the ball to his running backs, as evidenced by Le'Veon Bell's 382 carries last season. Riley Bullough or one of three true freshman could emerge as the bell cow this season. We'd just feel better about it we actually knew who that starting tailback would be.

11. Donovonn Young, RB, Illinois (571): He led the team in rushing a year ago, and his straight-ahead running style could prove a nice asset in the new Illinois spread offense. Yes, the Illini have a long way to go to produce a 1,000-yard rusher, and they're highly unlikely to play more than 12 games. But if Donovonn Young won't change your mind ... baby, baby, baby. (Sorry -- gratuitous Vampire Weekend reference).

Which players do you see running for 1,000 yards in 2013?

Now that spring practice is over, we're examining the most indispensable players on each Big Ten team for the 2013 season.

By indispensable, we don't necessarily mean best. We mean the players who would be hardest to replace between now and the start of the season if they got hurt or suspended or vaporized. That could be because of their value to the team, or because of a lack of depth at their position.

We'll pick two players from each team, usually offense and defense, but not always. The series wraps up with the Northwestern Wildcats.

Venric Mark, RB, Sr.

There is little doubt Mark finished the 2012 season as Northwestern's most valuable player, and he'll enter the 2013 campaign as the team's most indispensable piece. Although you can make a good case for multitalented quarterback Kain Colter or even center Brandon Vitabile, one of just two returning starters on a new-look offensive line, no player fundamentally changes games like Mark. Last fall, he became Northwestern's first 1,000-yard rusher since 2006 and averaged 6.2 yards a carry with 13 touchdowns as the team's featured back. He also earned All-America honors as a return man, scoring two punt return touchdowns and averaging 18.7 yards per runback. Mark finished with 2,166 all-purpose yards, just 29 yards shy of Damien Anderson's team record, and he helped make the kicking game, once a weakness for Northwestern, into a significant strength. Colter would be a big loss, too, but Northwestern has another capable, albeit different option, in Trevor Siemian. Although the team's depth at running back isn't bad, no one has Mark's breakaway ability on carries and returns. He'd be missed.

Ibraheim Campbell, S, Jr.

It's a tough call here as cornerback Nick VanHoose certainly seemed indispensable last season, when his absence because of injury potentially cost Northwestern games against Nebraska and Michigan. Veteran linebacker Damien Proby also would be a good pick given the team's inexperience at the position, and defensive end Tyler Scott has revived the pass rush. But Campbell has been the Wildcats' most productive defender the past two seasons, racking up 189 tackles, two interceptions and two forced fumbles. He's an integral part of Northwestern's run defense, which rose from 84th nationally in 2011 to 21st last season. Safeties are often called the quarterbacks of a defense, and Campbell certainly fills that role as he has grown into a strong leader. Northwestern is building better depth at both secondary spots, but cornerback isn't the vacuum it once was in Evanston. The Wildcats should be better equipped to play without VanHoose if he goes down this season. They would have a tougher time replacing all that Campbell brings to the defense.

More indispensable:

Michigan
Wisconsin
Minnesota
Nebraska
Indiana
Michigan State
Ohio State
Iowa
Penn State
Illinois
Purdue