 Before the 2006 season, Westerman was involved in a car accident with teammates Willie Foster and Corey Hyman. Westerman and Foster were uninjured while Hyman required two stitches in his forehead. On September 29, against South Florida, Westerman sacked quarterback Matt Grothe for a five yard loss. After the month of September, Westerman had eight tackles and two and a half sacks. Through eight games, Westerman was the team leader in sacks with six. Against Connecticut, Westerman blocked a punt and recovered a fumble by Connecticut quarterback D. J. Hernandez. Both the punt and fumble recovery were returned for a touchdown. Westerman also recorded two and a half sacks in the game. By the final game in the season, Westerman and defensive end William Blackford had a combined 59 tackles, 16 tackles for a loss with 10 sacks. In the Texas Bowl against the Kansas State Wildcats, Westerman sacked quarterback Josh Freeman twice and recovered a Freeman fumble. Westerman was named second – team All – Big East following the season along with teammates Brian Leonard, Cameron Stephenson, Pedro Sosa, Jeremy Ito, Ramel Meekins, Devraun Thompson, Ron Girault and Courtney Greene.
