Defensive Line Coach Charley Wiles gives his assessment of the week of preparations leading up to this weekend's matchup with Bowling Green.

Coach Wiles talks to Bill Roth about preparation for Michigan

Defensive line coach Charley Wiles talks about the defensive injuries, the players that are expected to step up and looks ahead to Saturday's match-up against Duke 10.24.11

Defensive line Coach Charley Wiles talks about some of the young players stepping into starting roles on the defensive line and some of the DLine techniques