Michigan head coach Jim Harbaugh, left, watches as quarterback Cade McNamara (12) warms up before an NCAA college football game against Indiana, Saturday, Nov. 7, 2020, in Bloomington, Ind. (AP Photo/Doug McSchooler)

Michigan head coach Jim Harbaugh reacts towards a game official after a call during the second half of an NCAA college football game against Indiana, Saturday, Nov. 7, 2020, in Bloomington, Ind. Indiana won 38-21. (AP Photo/Doug McSchooler)