Big Ten rankings · National FBS rankings · All teams
| Date | H/A | Opponent | Tier:Conf | Result | Score | Notes |
|---|---|---|---|---|---|---|
| 9/5 | H | Navy (9-4) | [G5:Ind] | W | 31-27 | |
| 9/12 | H | USC (8-4) | [P4:Pac-12] | L | 15-18 | |
| 9/19 | A | Toledo (5-7) | [G5:MAC] | W | 38-0 | AT CLEVELAND OH |
| 9/26 | H | Illinois (3-9) | [P4:Big Ten] | W | 30-0 | |
| 10/3 | A | Indiana (4-8) | [P4:Big Ten] | W | 33-14 | |
| 10/10 | H | Wisconsin (9-3) | [P4:Big Ten] | W | 31-13 | |
| 10/17 | A | Purdue (5-7) | [P4:Big Ten] | L | 18-26 | |
| 10/24 | H | Minnesota (6-6) | [P4:Big Ten] | W | 38-7 | |
| 10/31 | H | New Mexico St (3-10) | [G5:WAC] | W | 45-0 | |
| 11/7 | A | Penn State (10-2) | [P4:Big Ten] | W | 24-7 | |
| 11/14 | H | Iowa (10-2) | [P4:Big Ten] | W | 27-24 | |
| 11/21 | A | Michigan (5-7) | [P4:Big Ten] | W | 21-10 | |
| 1/1 | N | Oregon (10-2) | [P4:Pac-12] | W | 26-17 | ROSE BOWL GAME PRESENTED BY CITI * |
* game does not count in Harbin ratings