FILE – In this Saturday, Nov. 11, 2017, file photo, Michigan head coach Jim Harbaugh walks on the sideline in the second half of an NCAA college football game against Maryland in College Park, Md. …

In this Saturday, Nov. 11, 2017, file photo, Michigan head coach Jim Harbaugh walks on the sideline in the second half of an NCAA college football game against Maryland in College Park, Md. (AP Photo/Patrick Semansky, File)