Notebook: Defense building depth 

February, 8, 2013
2/08/13
9:00
AM ET
As long as Greg Mattison is Michigan's defensive coordinator, he will expect perfection. He demands a lot out of his players because he knows what it takes to reach the NFL.

The 2013 class for Michigan is all about getting to the next level and bringing in players who can help Michigan get there.

Defensive line

Kirk Herbstreit's Gameplan Breakdown
Kirk Herbstreit looks at the five big rivalry games of the week that not only give state bragging rights but also have direct implications on the College Football Playoff.
VIDEO PLAYLIST video

BIG TEN SCOREBOARD

Friday, 11/28
Saturday, 11/29