 His play earned him Defensive Freshman of the Year and first-team Freshman All-America by "The Sporting News" - and helped the Longhorns obtain their fourth National Championship.As a sophomore in 2006, he played all 13 games, recording 26 tackles and 4.5 sacks and was named one of the Lowe's Most Improved Defensive Players.As a junior in 2007, he played in nine games and missed four due to right knee injury suffered against Arkansas State.