Big Ten rankings · National FBS rankings · All teams
| Date | H/A | Opponent | Tier:Conf | Result | Score | Notes |
|---|---|---|---|---|---|---|
| 9/2 | N | Louisville (8-4) | [P4:ACC] | L | 28-35 | |
| 9/8 | H | Ohio (8-4) | [G5:MAC] | W | 44-21 | |
| 9/16 | A | Missouri (7-5) | [P4:SEC] | W | 35-3 | |
| 9/23 | H | Michigan (8-4) | [P4:Big Ten] | L | 10-28 | |
| 10/7 | H | Minnesota (5-7) | [P4:Big Ten] | W | 31-17 | |
| 10/14 | A | Wisconsin (12-1) | [P4:Big Ten] | L | 9-17 | |
| 10/21 | A | Rutgers (4-8) | [P4:Big Ten] | L | 12-14 | |
| 10/28 | H | Nebraska (4-8) | [P4:Big Ten] | L | 24-25 | |
| 11/4 | H | Illinois (2-10) | [P4:Big Ten] | W | 29-10 | |
| 11/11 | A | Northwestern (9-3) | [P4:Big Ten] | L | 13-23 | |
| 11/18 | A | Iowa (7-5) | [P4:Big Ten] | W | 24-15 | |
| 11/25 | H | Indiana (5-7) | [P4:Big Ten] | W | 31-24 | |
| 12/27 | N | Arizona (7-5) | [P4:Pac-12] | W | 38-35 | FOSTER FARMS BOWL * |
* game does not count in Harbin ratings