Michigan head coach Jim Harbaugh talks to reporters during an NCAA college football news conference at the Big Ten Conference media days, at Lucas Oil Stadium, Tuesday, July 26, 2022, in Indianapolis. (AP Photo/Darron Cummings)

Northwestern head coach Pat Fitzgerald talks to reporters during an NCAA college football news conference at the Big Ten Conference media days, at Lucas Oil Stadium, Tuesday, July 26, 2022, in Indianapolis. (AP Photo/Darron Cummings)

Iowa head coach Kirk Ferentz talks to reporters during an NCAA college football news conference at the Big Ten Conference media days, at Lucas Oil Stadium, Tuesday, July 26, 2022, in Indianapolis. (AP Photo/Darron Cummings)

Michigan head coach Jim Harbaugh talks to reporters during an NCAA college football news conference at the Big Ten Conference media days, at Lucas Oil Stadium, Tuesday, July 26, 2022, in Indianapolis. (AP Photo/Darron Cummings)

Michigan head coach Jim Harbaugh talks to reporters during an NCAA college football news conference at the Big Ten Conference media days, at Lucas Oil Stadium, Tuesday, July 26, 2022, in Indianapolis. (AP Photo/Darron Cummings)

Northwestern head coach Pat Fitzgerald talks to reporters during an NCAA college football news conference at the Big Ten Conference media days, at Lucas Oil Stadium, Tuesday, July 26, 2022, in Indianapolis. (AP Photo/Darron Cummings)