Big Ten rankings · National FBS rankings · All teams
| Date | H/A | Opponent | Tier:Conf | Result | Score | Notes |
|---|---|---|---|---|---|---|
| 8/31 | H | Akron (4-8) | [G5:MAC] | W | 57-21 | |
| 9/7 | A | Miami OH (7-5) | [G5:MAC] | W | 29-24 | |
| 9/14 | H | Iowa State (7-6) | [P4:Big 12] | L | 31-36 | |
| 9/21 | H | Utah State (4-7) | [G5:Sun Belt] | W | 48-7 | |
| 9/28 | A | Penn State (9-3) | [P4:Big Ten] | W | 42-35 | |
| 10/5 | H | Purdue (6-6) | [P4:Big Ten] | W | 31-28 | |
| 10/12 | H | Michigan St (4-8) | [P4:Big Ten] | W | 44-16 | |
| 10/19 | A | Indiana (3-9) | [P4:Big Ten] | W | 24-8 | |
| 10/26 | A | Michigan (9-3) | [P4:Big Ten] | W | 34-9 | |
| 11/2 | H | Wisconsin (7-6) | [P4:Big Ten] | W | 20-3 | |
| 11/9 | H | Northwestern (3-9) | [P4:Big Ten] | W | 62-10 | |
| 11/16 | A | Minnesota (7-5) | [P4:Big Ten] | W | 45-21 | |
| 1/2 | A | USC (10-2) | [P4:Pac-12] | L | 17-38 | ORANGE BOWL * |
* game does not count in Harbin ratings