In the 7 years before Jim Harbaugh, against MSU, OSU, Iowa, Wisc, and PSU Hoke/Rich Rod went 5-21.
Harbaugh is 10-16.
Against top teams w/o OSU Harbaugh is 10-11. Prior 7 years Michigan was 4-17 against that same group of teams.
That's huge progress. Remember where we were.