Big Ten rankings · National FBS rankings · All teams
| Date | H/A | Opponent | Tier:Conf | Result | Score | Notes |
|---|---|---|---|---|---|---|
| 8/30 | H | N Illinois (6-6) | [G5:MAC] | W | 31-27 | |
| 9/6 | A | Bowling Green (6-6) | [G5:MAC] | W | 42-17 | |
| 9/13 | H | Montana St (7-5) | [FCS:BSKY] | W | 35-23 | |
| 9/20 | H | FAU (6-6) | [G5:Sun Belt] | W | 37-3 | |
| 9/27 | A | Ohio State (10-2) | [P4:Big Ten] | L | 21-34 | |
| 10/4 | H | Indiana (3-9) | [P4:Big Ten] | W | 16-7 | |
| 10/11 | A | Illinois (5-7) | [P4:Big Ten] | W | 27-20 | |
| 10/25 | A | Purdue (4-8) | [P4:Big Ten] | W | 17-6 | |
| 11/1 | H | Northwestern (9-3) | [P4:Big Ten] | L | 17-24 | |
| 11/8 | H | Michigan (3-9) | [P4:Big Ten] | L | 6-29 | |
| 11/15 | A | Wisconsin (7-5) | [P4:Big Ten] | L | 32-35 | |
| 11/22 | H | Iowa (8-4) | [P4:Big Ten] | L | 0-55 | |
| 12/31 | N | Kansas (7-5) | [P4:Big 12] | L | 21-42 | INSIGHT BOWL * |
* game does not count in Harbin ratings