In 2010, Michigan finished the season ranked 110th in total Defense giving up 450.8 yards per game. (includes the bowl game).
In 2011, Michigan ranks 16th in Total Defense giving up 317.6 yards per game. That's an improvement of 94 spots and 133.2 yards per gamer less this year than last with virtually the same players.
Greg Mattison deserves Asst. Coach of the Year and Brady Hoke deserves Coach of the Year, it's no-brainer.
THought this was interesting.
Stats are from cfbstats.com