Big Ten rankings · National FBS rankings · All teams
| Date | H/A | Opponent | Tier:Conf | Result | Score | Notes |
|---|---|---|---|---|---|---|
| 9/3 | H | Miami OH (7-4) | [G5:MAC] | W | 34-14 | |
| 9/10 | H | Texas (12-0) | [P4:Big 12] | L | 22-25 | |
| 9/17 | H | San Diego St (5-7) | [G5:MWC] | W | 27-6 | |
| 9/24 | H | Iowa (7-4) | [P4:Big Ten] | W | 31-6 | |
| 10/8 | A | Penn State (10-1) | [P4:Big Ten] | L | 10-17 | |
| 10/15 | H | Michigan St (5-6) | [P4:Big Ten] | W | 35-24 | |
| 10/22 | A | Indiana (4-7) | [P4:Big Ten] | W | 41-10 | |
| 10/29 | A | Minnesota (7-4) | [P4:Big Ten] | W | 45-31 | |
| 11/5 | H | Illinois (2-9) | [P4:Big Ten] | W | 40-2 | |
| 11/12 | H | Northwestern (7-4) | [P4:Big Ten] | W | 48-7 | |
| 11/19 | A | Michigan (7-4) | [P4:Big Ten] | W | 25-21 | |
| 1/2 | H | Notre Dame (9-2) | [P4:Ind] | W | 34-20 | Tostitos Fiesta Bowl * |
* game does not count in Harbin ratings