Big Ten rankings · National FBS rankings · All teams
| Date | H/A | Opponent | Tier:Conf | Result | Score | Notes |
|---|---|---|---|---|---|---|
| 9/5 | H | BYU (9-3) | [G5:Ind] | L | 28-33 | |
| 9/12 | H | South Alabama (5-7) | [G5:Sun Belt] | W | 48-9 | |
| 9/19 | A | Miami (8-4) | [P4:ACC] | L | 33-36 | |
| 9/26 | H | Southern Miss (9-4) | [G5:CUSA] | W | 36-28 | |
| 10/3 | A | Illinois (5-7) | [P4:Big Ten] | L | 13-14 | |
| 10/10 | H | Wisconsin (9-3) | [P4:Big Ten] | L | 21-23 | |
| 10/17 | A | Minnesota (5-7) | [P4:Big Ten] | W | 48-25 | |
| 10/24 | H | Northwestern (10-2) | [P4:Big Ten] | L | 28-30 | |
| 10/31 | A | Purdue (2-10) | [P4:Big Ten] | L | 45-55 | |
| 11/7 | H | Michigan St (12-1) | [P4:Big Ten] | W | 39-38 | |
| 11/14 | A | Rutgers (4-8) | [P4:Big Ten] | W | 31-14 | |
| 11/27 | H | Iowa (12-1) | [P4:Big Ten] | L | 20-28 | |
| 12/26 | N | UCLA (8-4) | [P4:Pac-12] | W | 37-29 | FOSTER FARMS BOWL * |
* game does not count in Harbin ratings