Pittsburgh Steelers: Daryl Smith

This is the second in a series that looks at 17 plays that shaped the Pittsburgh Steelers' season -- one from every game.

For this series we will go in chronological order.

No. 1: Le'Veon Bell's 38-yard touchdown run in a 30-27 win over the Cleveland Browns.

Brown
No, 2: Wide receiver Justin Brown's lost fumble after a 6-yard reception.

The setting: The Steelers got off to a good start after renewing their rivalry against the Ravens in Baltimore in a Thursday night game. They drove 58 yards after the opening kickoff, taking advantage of a roughing the passer penalty on Ravens outside linebacker Courtney Upshaw and later converting on third-and-14 to move deep into Baltimore territory.

The play: The Steelers went four wide, flexing out tight end Heath Miller from the Ravens' 22-yard line, and quarterback Ben Roethlisberger completed a short pass to a wide-open Brown in the middle of the field. A couple of Ravens tacklers met Brown at the 16-yard line and inside linebacker Daryl Smith punched the ball out with his right hand while wrapping up Brown. The Ravens recovered the fumble at their own 15-yard line and the Steelers' turnover set the tone for the game. Quarterback Joe Flacco led the Ravens on a 12-play, 85-yard touchdown drive after the turnover, giving Baltimore control of a game they went onto win 26-6 at M&T Bank Stadium.

What it meant for the bigger picture: The lost fumble wasn't the beginning of the end for Brown, who opened the season as the No. 3 wide receiver after spending the 2013 season on the Steelers' practice squad. But it signaled that the Steelers needed more behind eventual All-Pro wide receiver Antonio Brown. Rookie Martavis Bryant eventually filled the void, catching eight touchdown passes in the regular season despite playing in only 10 games. Brown caught 12 passes for 94 yards but only dressed just two times after the Steelers' sixth game of the season. The Steelers released Brown on Dec. 30 to make room on the 53-man roster for running back Ben Tate. Brown remains unsigned.
Alex MackAP Photo/David RichardCleveland Browns center Alex Mack is the top free agent in the AFC North.

It's not a particularly strong free-agent class in the AFC North, although the top ones rank among the best in the NFL.

The free-agent group in the division took a hit when tight end Dennis Pitta, outside linebacker Jason Worilds and linebacker D'Qwell Jackson all signed before the official start of free agency.

So who's left? ESPN's four team reporters in the division -- Scott Brown, Coley Harvey, Jamison Hensley and Pat McManamon -- compiled a list of the top 15 free agents in the AFC North.

The Baltimore Ravens have the most free agents on this list with eight players. The Cleveland Browns have two of the top three free agents in the division, and the Cincinnati Bengals have two of the top five. The Pittsburgh Steelers placed one free agent in the top 10.

Here are the top 15 free agents in the AFC North:

1. Alex Mack, Browns center: At 28, the two-time Pro Bowler is in the prime of his career. Mack was so coveted by the Browns that they placed a $10 million transition tag on him. It will be interesting whether another team can pry him away from Cleveland.

2. Michael Johnson, Bengals defensive end: He was better in 2012 (11.5 sacks) than he was in 2013 (3.5 sacks). Still, his size, athleticism and age (27) will make him one of the most coveted pass-rushers this offseason.

3. T.J. Ward, Browns safety: Considered one of the top 10 safeties in the NFL, Ward will draw interest from teams looking to get more physical in the secondary. He makes an impact on run defense and has improved in coverage.

4. Eugene Monroe, Ravens offensive tackle: Some believe Monroe is the top offensive tackle in free agency, but ESPN's Bill Polian has five tackles ranked ahead of him. His athleticism and upside will command a big-money contract even though he's never been to a Pro Bowl.

5. Anthony Collins, Bengals offensive tackle: He is an underrated left tackle who didn't allow a sack last season. The question mark with Collins is how he'll play as a full-time starter. He made seven starts last season and has 25 starts in six seasons in Cincinnati.

6. Jacoby Jones, Ravens receiver-returner: He was one of the top playmakers in the Ravens' 2012 Super Bowl run, and he ranked among the top five returners in the league last season. Jones is inconsistent and one-dimensional as a wide receiver, but he made a lot of clutch plays for the Ravens in two seasons.

7. Art Jones, Ravens defensive end: His impact as a run defender and interior pass-rusher makes him one of the top defensive tackles available. Teams, though, have to wonder whether he'll be the same type of player without Haloti Ngata drawing double-teams next to him.

8. Daryl Smith, Ravens linebacker: He was quietly one of the NFL's top comeback stories. In his first season with the Ravens, Smith led the team with 123 tackles and finished with five sacks, three interceptions, 19 passes defensed and two forced fumbles. His age (32 this month) could be a drawback.

9. Michael Oher, Ravens offensive tackle: His play never reached the expectations placed on a first-round pick. Oher is a throwback type of player whose strengths are durability and toughness. The biggest knocks against him are mental mistakes and pass protection.

10. Emmanuel Sanders, Steelers wide receiver: He is almost 27, brings a lot of quickness and is coming off a season where he dropped just two passes (according to ESPN Stats & Information). What works against Sanders is the fact that he's never had more than 740 yards receiving in a season and averaged a career-low 11 yards per catch last season.

11. Jameel McClain, Ravens inside linebacker: He isn't among the most talented linebackers, but he prides himself on outworking others. Even though he came back from a spinal cord contusion last season, some teams will be wary of a player who had such a serious injury.

12. James Ihedigbo, Ravens safety: Known more for his special-teams play, Ihedigbo finished as the team's second-leading tackler. He'll try to find a team that will give him an opportunity to play defense now that the Ravens moved Matt Elam to his strong safety spot.

13. Ziggy Hood, Steelers defensive lineman: He never became the difference-maker the Steelers envisioned when they drafted him in the first round, but it would be unfair to call him a bust. One of the strongest players on the team, Hood lost his starting job to Cameron Heyward last season.

14. Corey Graham, Ravens cornerback: He was a starter on the Ravens' 2012 Super Bowl team and led Baltimore with four interceptions last season. Graham has proved to be a dependable nickelback, but he doesn't have the size or speed to be a full-time starter.

15. Brett Keisel, Steelers defensive lineman: He had four sacks last season and 26 quarterback pressures, third most on the Steelers, despite missing four games and playing sparingly in another because of a nagging foot injury. His age (35) will scare away a lot of teams.

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