Big Ten rankings · National FBS rankings · All teams
| Date | H/A | Opponent | Tier:Conf | Result | Score | Notes |
|---|---|---|---|---|---|---|
| 9/3 | H | Ball State (4-7) | [G5:MAC] | W | 56-0 | |
| 9/10 | A | Iowa State (7-4) | [P4:Big 12] | L | 3-23 | |
| 9/17 | H | Northern Iowa (8-3) | [FCS:MVFC] | W | 45-21 | |
| 9/24 | A | Ohio State (9-2) | [P4:Big Ten] | L | 6-31 | |
| 10/1 | H | Illinois (2-9) | [P4:Big Ten] | W | 35-7 | |
| 10/8 | A | Purdue (5-6) | [P4:Big Ten] | W | 34-17 | |
| 10/15 | H | Indiana (4-7) | [P4:Big Ten] | W | 38-21 | |
| 10/22 | H | Michigan (7-4) | [P4:Big Ten] | L | 20-23 | |
| 11/5 | A | Northwestern (7-4) | [P4:Big Ten] | L | 27-28 | |
| 11/12 | A | Wisconsin (9-3) | [P4:Big Ten] | W | 20-10 | |
| 11/19 | H | Minnesota (7-4) | [P4:Big Ten] | W | 52-28 | |
| 1/2 | A | Florida (8-3) | [P4:SEC] | L | 24-31 | Outback Bowl * |
* game does not count in Harbin ratings