Big Ten rankings · National FBS rankings · All teams
| Date | H/A | Opponent | Tier:Conf | Result | Score | Notes |
|---|---|---|---|---|---|---|
| 8/30 | A | Tulane (11-2) | [G5:AAC] | L | 3-23 | |
| 9/5 | H | W Illinois (4-8) | [FCS:OVC] | W | 42-7 | |
| 9/13 | H | Oregon (11-1) | [P4:Big Ten] | L | 14-34 | |
| 9/27 | H | UCLA (3-9) | [P4:Big Ten] | W | 17-14 | |
| 10/4 | H | UL Monroe (3-9) | [G5:Sun Belt] | W | 42-7 | |
| 10/11 | A | Penn State (6-6) | [P4:Big Ten] | W | 22-21 | |
| 10/18 | H | Purdue (2-10) | [P4:Big Ten] | W | 19-0 | |
| 10/25 | A | Nebraska (7-5) | [P4:Big Ten] | L | 21-28 | |
| 11/7 | A | USC (9-3) | [P4:Big Ten] | L | 17-38 | |
| 11/15 | H | Michigan (9-3) | [P4:Big Ten] | L | 22-24 | |
| 11/22 | H | Minnesota (7-5) | [P4:Big Ten] | W | 38-35 | |
| 11/29 | A | Illinois (8-4) | [P4:Big Ten] | L | 13-20 | |
| 12/26 | N | C Michigan (7-5) | [G5:MAC] | W | 34-7 | GameAbove Sports Bowl * |
* game does not count in Harbin ratings