Iowa defensive end Adrian Clayborn was named Most Valuable Player in Iowa's win over Georgia Tech in the FedEx Orange Bowl. He Started all 13 games and recorded 36 solo tackles in 2009. (AP Photo/J Pat Carter)

Miami defensive lineman Allen Bailey, who played both defensive end and tackle, led the team in sacks (7) in 2009. (AP Photo/Gerry Broome)

University of Pittsburgh defensive lineman Greg Romeus started 12 games in 2009 and was named Big East Co-Defensive Player of the Year. (AP Photo/Nell Redmond)

North Carolina defensive tackle Marvin Austin started 12 games in 2009 and was a second-team All-ACC selection.

Oregon State defensive tackle Stephen Paea is both strong and quick. The second-year team co-captain has amassed 19.5 sacks in his collegiate career, which is tied for third all-time at OSU. (AP Photo/Don Ryan)

Oklahoma defensive end Jeremy Beal was a third team AP All-American selection in 2009. He collected 11 sacks, which is tied for fourth best in the history of OU. (AP Photo/Alonzo Adams)

Purdue defensive end Ryan Kerrigan led the nation with a school-record-tying seven forced fumbles in 2009. (AP Photo/Charlie Neibergall)

Pittsburgh defensive lineman Jabaal Sheard was part of a Panthers defense that led the country in sacks. (AP Photo/Keith Srakocic)

Texas defensive end Sam Acho tallied 63 tackles in 2009. (AP Photo/Eric Gay)

Mississippi State defensive lineman Pernell McPhee was a standout player at junior college in 2007 and 2008 before joining the Bulldogs last year. He finished with 15 tackles for a loss in 2009. (AP Photo/Kerry Smith)

Mississippi defensive tackle Jerrell Powe was named All-SEC second team by the AP in 2009 and helped the Rebels finish the season with the top-ranked defense in the conference. (AP Photo/Ryan Moore, File)

Ohio State defensive lineman Cameron Heyward, son of former NFL RB Craig Heyward, has played both defensive tackle and end during his time as a Buckeye. (AP Photo/Carolyn Kaster)

California defensive lineman Cameron Jordan was an All-Pac-10 honorable mention in 2009, when he finished with five sacks. (AP Photo/Ben Margot)

Oklahoma defensive tackle Adrian Taylor has accumulated nine sacks and 73 tackles in three seasons. He was an All-Big 12 honorable mention by AP and coaches in 2009. (AP Photo/Sue Ogrocki)

Nebraska defensive end Pierre Allen has battled injuries but started all 14 games in 2009. He finished with 51 tackles and five sacks. (AP Photo/Denis Poroy)

Notre Dame nose tackle Ian Williams has started 17 games over the last three years, collecting 124 tackles, one interception and one pass defensed in his career. (AP Photo/Michael Conroy)