Big Ten rankings · National FBS rankings · All teams
| Date | H/A | Opponent | Tier:Conf | Result | Score | Notes |
|---|---|---|---|---|---|---|
| 8/30 | A | Kansas (6-6) | [P4:Big 12] | W | 28-20 | |
| 9/6 | H | Air Force (7-5) | [G5:MWC] | L | 21-22 | |
| 9/13 | H | Miami OH (12-1) | [G5:MAC] | L | 14-44 | |
| 9/20 | A | Duke (4-8) | [P4:ACC] | W | 28-10 | |
| 9/27 | A | Ohio State (10-2) | [P4:Big Ten] | L | 0-20 | |
| 10/4 | H | Minnesota (9-3) | [P4:Big Ten] | L | 17-42 | |
| 10/11 | A | Indiana (2-10) | [P4:Big Ten] | W | 37-31 | |
| 10/25 | H | Wisconsin (7-5) | [P4:Big Ten] | W | 16-7 | |
| 11/1 | A | Purdue (9-3) | [P4:Big Ten] | L | 14-34 | |
| 11/8 | H | Penn State (3-9) | [P4:Big Ten] | W | 17-7 | |
| 11/15 | H | Michigan (10-2) | [P4:Big Ten] | L | 10-41 | |
| 11/22 | A | Illinois (1-11) | [P4:Big Ten] | W | 37-20 | |
| 12/26 | A | Bowling Green (10-3) | [G5:MAC] | L | 24-28 | MOTOR CITY BOWL * |
* game does not count in Harbin ratings