Michigan defense

TAMPA, FL - JANUARY 1:  Linebcaker Jake Ryan #47 of the Michigan Wolverines recovers a fumble against the South Carolina Gamecocks in the Outback Bowl January 1, 2013 at Raymond James Stadium in Tampa, Florida.  (Photo by Al Messerschmidt/Getty Images)

Mattison: ‘The Biggest Thing We Have To Do Is Be A Better Blitzing Team’

Michigan’s defensive coaching staff got a shakeup, and so did the scheme, and so did the positioning of one of the team’s best players.

CBS Detroit–02/27/2014