Big Ten rankings · National FBS rankings · All teams
| Date | H/A | Opponent | Tier:Conf | Result | Score | Notes |
|---|---|---|---|---|---|---|
| 9/5 | H | N Illinois (7-5) | [G5:MAC] | W | 28-20 | |
| 9/12 | H | Fresno St (8-4) | [G5:WAC] | W | 34-31 | |
| 9/19 | H | Wofford (3-8) | [FCS:SOUTH] | W | 44-14 | |
| 9/26 | H | Michigan St (6-6) | [P4:Big Ten] | W | 38-30 | |
| 10/3 | A | Minnesota (6-6) | [P4:Big Ten] | W | 31-28 | |
| 10/10 | A | Ohio State (10-2) | [P4:Big Ten] | L | 13-31 | |
| 10/17 | H | Iowa (10-2) | [P4:Big Ten] | L | 10-20 | |
| 10/31 | H | Purdue (5-7) | [P4:Big Ten] | W | 37-0 | |
| 11/7 | A | Indiana (4-8) | [P4:Big Ten] | W | 31-28 | |
| 11/14 | H | Michigan (5-7) | [P4:Big Ten] | W | 45-24 | |
| 11/21 | A | Northwestern (8-4) | [P4:Big Ten] | L | 31-33 | |
| 12/5 | A | Hawai'i (6-7) | [G5:WAC] | W | 51-10 | |
| 12/29 | N | Miami (9-3) | [P4:ACC] | W | 20-14 | CHAMPS SPORTS BOWL * |
* game does not count in Harbin ratings