see more

ANN ARBOR, MI - APRIL 04: Head coach Jim Harbaugh of the Michigan Wolverines looks on during the Michigan Football Spring Game on April 4, 2015 at Michigan Stadium in Ann Arbor, Michigan. (Photo by Gregory Shamus/Getty Images)

ANN ARBOR, MI - APRIL 04: Head coach Jim Harbaugh of the Michigan Wolverines looks on during the Michigan Football Spring Game on April 4, 2015 at Michigan Stadium in Ann Arbor, Michigan.  (Photo by Gregory Shamus/Getty Images)