Heading into the 2013 season, there are several marquee starters on teams that have a lot to prove this year.
There's quarterback David Ash of Texas, who's been inconsistent since taking the reins in Austin and must now adapt to a new, uptempo style of offense.
John Hubert, the starting running back at Kansas State, must now prove he can carry the load on the ground without Collin Klein.
Then there are guys on the other side of the ball such as defensive end Stephon Tuitt of Notre Dame, who's got the task of replicating one of the nation's best defenses this season without Manti Te'o.
Here are seven of the biggest starters in college football that have a chip on their shoulder going into this season: