Michigan State defensive end Shilique Calhoun, right, looks to tackle Iowa wide receiver Jordan Cotton during the first half of an NCAA college football game, Saturday, Oct. 5, 2013, in Iowa City, Iowa. (Charlie Neibergall/Associated Press)

Arkansas defensive end Trey Flowers (86) pursues Jacksonville State quarterback Marques Ivory (12) during the first half of an NCAA college football game in Fayetteville, Ark., Sat., Sept. 1, 2012. (April L. Brown/Associated Press)

Southern California defensive end Leonard Williams, right, tries to get by Arizona safety RJ Morgan during the second half of their NCAA college football game, Thursday, Oct. 10, 2013, in Los Angeles. USC won 38-31. (Mark J. Terrill/Associated Press)

Ohio State defensive lineman Noah Spence (8) lines up against Illinois offensive linesman Michael Heitz (74) and offensive linesman Alex Hill (52)during the first half of an NCAA college football game on Saturday, Nov. 16, 2013, in Champaign, Ill. (Jeff Haynes/Associated Press)

Texas defender Cedric Reed (88) defends against Mississippi running back Jaylen Walton (6) during the second quarter of an NCAA college football game Saturday, Sept. 14, 2013, in Austin, Texas. (Michael Thomas/Associated Press)

Ohio State Buckeyes quarterback Braxton Miller is brought down by Clemson defensive end Vic Beasley, right, during the first half of the Orange Bowl NCAA college football game in Miami Gardens, Fla. Beasley sounded like an All-American who was ready to bolt to the NFL before the Tigers played in the Orange Bowl. But after the leading the ACC with 13 sacks he returned for his senior season despite being projected as a possible first or second round draft pick. (Lynne Sladky/Associated Press)

Nebraska defensive end Randy Gregory (44) gets by Wyoming offensive tackle Connor Rains (77) and tries to get to Wyoming quarterback Brett Smith (16) during their Saturday Aug 31, 2013 NCAA college football game at Memorial Stadium in Lincoln, Neb.(Dave Weaver/Associated Press)

Florida State defensive end Mario Edwards Jr. (15) sacks Miami quarterback Stephen Morris (17) during the second quarter of an NCAA college football game Saturday, Nov. 2, 2013, in Tallahassee, Fla. (Steve Cannon/Associated Press)

South Carolina quarterback Dylan Thompson, bottom, is sacked by Florida's Dante Fowler Jr. (6) during the second half of an NCAA college football game, Saturday, Oct. 20, 2012, in Gainesville, Fla. Florida defeated South Carolina 44-11. (Phil Sandlin/Associated Press)

Missouri's Markus Golden, right, hits Arkansas State quarterback Adam Kennedy as he throws in the final seconds of the first half of an NCAA college football game Saturday, Sept. 28, 2013, in Columbia, Mo. (L.G. Patterson/Associated Press)