Big Ten rankings · National FBS rankings · All teams
| Date | H/A | Opponent | Tier:Conf | Result | Score | Notes |
|---|---|---|---|---|---|---|
| 9/5 | H | Stanford (11-2) | [P4:Pac-12] | W | 16-6 | |
| 9/12 | H | E Illinois (7-4) | [FCS:OVC] | W | 41-0 | |
| 9/19 | A | Duke (7-5) | [P4:ACC] | W | 19-10 | |
| 9/26 | H | Ball State (3-9) | [G5:MAC] | W | 24-19 | |
| 10/3 | H | Minnesota (5-7) | [P4:Big Ten] | W | 27-0 | |
| 10/10 | A | Michigan (9-3) | [P4:Big Ten] | L | 0-38 | |
| 10/17 | H | Iowa (12-1) | [P4:Big Ten] | L | 10-40 | |
| 10/24 | A | Nebraska (5-7) | [P4:Big Ten] | W | 30-28 | |
| 11/7 | H | Penn State (7-5) | [P4:Big Ten] | W | 23-21 | |
| 11/14 | H | Purdue (2-10) | [P4:Big Ten] | W | 21-14 | |
| 11/21 | A | Wisconsin (9-3) | [P4:Big Ten] | W | 13-7 | |
| 11/28 | N | Illinois (5-7) | [P4:Big Ten] | W | 24-14 | |
| 1/1 | N | Tennessee (8-4) | [P4:SEC] | L | 6-45 | OUTBACK BOWL * |
* game does not count in Harbin ratings