Big Ten rankings · National FBS rankings · All teams
| Date | H/A | Opponent | Tier:Conf | Result | Score | Notes |
|---|---|---|---|---|---|---|
| 9/4 | H | E Illinois (2-9) | [FCS:OVC] | W | 37-7 | |
| 9/11 | H | Iowa State (5-7) | [P4:Big 12] | W | 35-7 | |
| 9/18 | A | Arizona (7-5) | [P4:Pac-12] | L | 27-34 | |
| 9/25 | H | Ball State (4-8) | [G5:MAC] | W | 45-0 | |
| 10/2 | H | Penn State (7-5) | [P4:Big Ten] | W | 24-3 | |
| 10/16 | A | Michigan (7-5) | [P4:Big Ten] | W | 38-28 | |
| 10/23 | H | Wisconsin (11-1) | [P4:Big Ten] | L | 30-31 | |
| 10/30 | H | Michigan St (11-1) | [P4:Big Ten] | W | 37-6 | |
| 11/6 | A | Indiana (5-7) | [P4:Big Ten] | W | 18-13 | |
| 11/13 | A | Northwestern (7-5) | [P4:Big Ten] | L | 17-21 | |
| 11/20 | H | Ohio State (11-1) | [P4:Big Ten] | L | 17-20 | |
| 11/27 | A | Minnesota (3-9) | [P4:Big Ten] | L | 24-27 | |
| 12/28 | N | Missouri (10-2) | [P4:Big 12] | W | 27-24 | INSIGHT BOWL * |
* game does not count in Harbin ratings