FILE - Michigan head coach Jim Harbaugh watches players warm up before the Citrus Bowl NCAA college football game against Alabama in Orlando, Fla., in this Wednesday, Jan. 1, 2020, file photo. Michigan's Jim Harbaugh and Nebraska's Scott Frost have fallen short of expectations coaching their alma maters. The ninth-ranked Wolverines head to Nebraska this week, and the timing is perfect because both teams are coming off big wins. The vibes are positive around both teams now. They won't be next week for the one that loses. (AP Photo/John Raoux, File)

FILE - Nebraska coach Scott Frost is shown before an NCAA football game against Michigan State in East Lansing, Mich., in this Saturday, Sept. 25, 2021, file photo. Michigan's Jim Harbaugh and Nebraska's Scott Frost have fallen short of expectations coaching their alma maters. The ninth-ranked Wolverines head to Nebraska this week, and the timing is perfect because both teams are coming off big wins. The vibes are positive around both teams now. They won't be next week for the one that loses. (AP Photo/Al Goldis, File)