Big Ten rankings · National FBS rankings · All teams
| Date | H/A | Opponent | Tier:Conf | Result | Score | Notes |
|---|---|---|---|---|---|---|
| 8/31 | H | MTSU (4-8) | [G5:CUSA] | W | 40-21 | |
| 9/7 | H | Army (5-8) | [G5:Ind] | W | 24-21 | |
| 9/21 | A | Wisconsin (10-3) | [P4:Big Ten] | L | 14-35 | |
| 9/28 | H | Rutgers (2-10) | [P4:Big Ten] | W | 52-0 | |
| 10/5 | H | Iowa (9-3) | [P4:Big Ten] | W | 10-3 | |
| 10/12 | A | Illinois (6-6) | [P4:Big Ten] | W | 42-25 | |
| 10/19 | A | Penn State (10-2) | [P4:Big Ten] | L | 21-28 | |
| 10/26 | H | Notre Dame (10-2) | [P4:Ind] | W | 45-14 | |
| 11/2 | A | Maryland (3-9) | [P4:Big Ten] | W | 38-7 | |
| 11/16 | H | Michigan St (6-6) | [P4:Big Ten] | W | 44-10 | |
| 11/23 | A | Indiana (8-4) | [P4:Big Ten] | W | 39-14 | |
| 11/30 | H | Ohio State (13-0) | [P4:Big Ten] | L | 27-56 | |
| 1/1 | N | Alabama (10-2) | [P4:SEC] | L | 16-35 | Vrbo CITRUS BOWL * |
* game does not count in Harbin ratings