Nebraska head coach Scott Frost is shown during an NCAA college football news conference at the Big Ten Conference media days, Thursday, July 22, 2021, at Lucas Oil Stadium in Indianapolis. (AP Photo/Doug McSchooler)

Michigan head coach Jim Harbaugh speaks during an NCAA college football news conference at the Big Ten Conference media days, Thursday, July 22, 2021, at Lucas Oil Stadium in Indianapolis. (AP Photo/Doug McSchooler)