College Basketball Nation: Devin Robinson

Some of the best one-on-one matchups will take place before the college basketball season tips off. They will come in the form of position battles within a team to determine a starter, which in some cases will shape an entire lineup.

Starting with point guard, ESPN.com will examine those quiet battles on a position-by-position basis this week while also promising we will never use the phrase “iron sharpens iron” to describe the competition.

Here are some power forward battles to keep an eye on:

Kentucky: Trey Lyles vs. Alex Poythress vs. TBD
Exactly who factors into this battle in Lexington will come down to how coach John Calipari divvies up positions. With so many frontcourt players, he has a numbers crunch that could mean guys play more hybrid positions or even out of position. Will he slide Poythress to small forward? Will he turn Willie Cauley-Stein or Marcus Lee into more of a power forward than a center? Where does Derek Willis fit in? Lyles, one of the best in the Class of 2014, will be a factor one way or another. The good news is that Calipari has options. The interesting thing will be to see how they all play out.

Kansas: Cliff Alexander vs. Perry Ellis
Ellis has spent the better part of his career waiting his turn. Now here he is, a junior, and he’s got a whippersnapper like Alexander to battle. The two come at their position from different but equally effective ways. Alexander is the more typical power forward, a rebounding machine who muscles his way to success. Ellis can rebound and battle with the best of them, but he also has some finesse to his game. Odds are that coach Bill Self will find a way to use both at the same time -- Alexander likely at the 5 -- to form a pretty formidable backcourt.

North Carolina: Jackson Simmons vs. Isaiah Hicks
Or who will back up Brice Johnson? Caught in a numbers crunch, neither saw much playing time last season, but somebody will have to contribute for coach Roy Williams this coming season. Hicks, a sophomore to be, played out of position for most of last season, sliding over to the small forward spot. Meanwhile, Simmons (who will be a senior) has spent the better part of his career biding his time. It will come down to whether Williams leans on the more veteran Simmons or the more talented Hicks.

Wichita State: Who will replace Cleanthony Early?
That’s the unenviable battle. Shaquille Morris, who stopped traveling with the Shockers in February so he could work on his weight training and get in shape, has a chance if he proves he’s up to the task. Freshman Rashard Kelly, out of Hargrave Military, is also an option. He averaged 19.6 points and 10.4 boards in his senior season. The truth is that no one can replace Early alone, but coach Gregg Marshall at least needs to find some committee members up to the task.

Florida: Dorian Finney-Smith vs. Alex Murphy vs. Devin Robinson vs. Jon Horford
Finney-Smith, who likes to rebound, likely will get the nod here, but this could be a fluid position for coach Billy Donovan as the season progresses. Once Murphy, the Duke transfer, becomes eligible in mid-December, things could change. And if Robinson, a highly regarded freshman, develops well, it could change again. Horford, who can play immediately after finishing up his degree at Michigan, will likely get lots of minutes between the 4 and 5 spot, and Finney-Smith will float among small forward, power forward and even in the middle at times.

Gonzaga: Kyle Wiltjer vs. Domantas Sabonis
Wiltjer, the sharpshooting transfer from Kentucky, will likely get the edge here thanks to experience, but the Lithuanian Sabonis is an intriguing guy for coach Mark Few. The son of former NBA star Arvydas Sabonis, Domantas excelled in the FIBA Under-18 World Championships, averaging 14 points and 11.4 rebounds per game.

Class rankings analysis: Oct. 30 

October, 30, 2013
10/30/13
12:00
PM ET
As we come down to the wire for basketball's early signing period in November, many of the best players in the nation have finished their visits and are ready to make their decisions. Here’s a look at how some of the recruiting classes are shaping up as we get closer to the signing period:

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