Michigan football coach Jim Harbaugh,left, signs autographs before a spring training baseball game between the Oakland Athletics and Los Angeles Angels, Saturday, March 7, 2015, in Mesa, Ariz.
Michigan football coach Jim Harbaugh,left, signs autographs before a spring training baseball game between the Oakland Athletics and Los Angeles Angels, Saturday, March 7, 2015, in Mesa, Ariz. Darron Cummings AP
Michigan football coach Jim Harbaugh,left, signs autographs before a spring training baseball game between the Oakland Athletics and Los Angeles Angels, Saturday, March 7, 2015, in Mesa, Ariz. Darron Cummings AP