Big Ten rankings · National FBS rankings · All teams
| Date | H/A | Opponent | Tier:Conf | Result | Score | Notes |
|---|---|---|---|---|---|---|
| 8/31 | H | Weber St (4-8) | [FCS:BSKY] | W | 35-3 | |
| 9/7 | H | E Michigan (5-7) | [G5:MAC] | W | 30-9 | |
| 9/14 | N | Washington St (8-4) | [G5:Pac-12] | L | 19-24 | |
| 9/21 | H | Northwestern (4-8) | [P4:Big Ten] | W | 24-5 | |
| 9/27 | A | Rutgers (7-5) | [P4:Big Ten] | L | 18-21 | |
| 10/5 | H | Michigan (7-5) | [P4:Big Ten] | W | 27-17 | |
| 10/12 | A | Iowa (8-4) | [P4:Big Ten] | L | 16-40 | |
| 10/26 | A | Indiana (11-1) | [P4:Big Ten] | L | 17-31 | |
| 11/2 | H | USC (6-6) | [P4:Big Ten] | W | 26-21 | |
| 11/9 | A | Penn State (11-2) | [P4:Big Ten] | L | 6-35 | |
| 11/15 | H | UCLA (5-7) | [P4:Big Ten] | W | 31-19 | |
| 11/30 | A | Oregon (13-0) | [P4:Big Ten] | L | 21-49 | |
| 12/31 | N | Louisville (8-4) | [P4:ACC] | L | 34-35 | Tony the Tiger Sun Bowl * |
* game does not count in Harbin ratings