Big Ten rankings · National FBS rankings · All teams
| Date | H/A | Opponent | Tier:Conf | Result | Score | Notes |
|---|---|---|---|---|---|---|
| 9/4 | H | W Michigan (7-5) | [G5:MAC] | W | 47-14 | |
| 9/11 | H | Washington (4-8) | [P4:Pac-12] | W | 31-10 | |
| 9/18 | H | N Illinois (9-4) | [G5:MAC] | W | 63-10 | |
| 9/25 | H | Rutgers (5-7) | [P4:Big Ten] | W | 20-13 | |
| 10/2 | A | Wisconsin (8-4) | [P4:Big Ten] | W | 38-17 | |
| 10/9 | A | Nebraska (3-9) | [P4:Big Ten] | W | 32-29 | |
| 10/23 | H | Northwestern (3-9) | [P4:Big Ten] | W | 33-7 | |
| 10/30 | A | Michigan St (10-2) | [P4:Big Ten] | L | 33-37 | |
| 11/6 | H | Indiana (2-10) | [P4:Big Ten] | W | 29-7 | |
| 11/13 | A | Penn State (7-5) | [P4:Big Ten] | W | 21-17 | |
| 11/20 | A | Maryland (6-6) | [P4:Big Ten] | W | 59-18 | |
| 11/27 | H | Ohio State (10-2) | [P4:Big Ten] | W | 42-27 | |
| 12/4 | N | Iowa (10-3) | [P4:Big Ten] | W | 42-3 | Big Ten Championship Game |
| 12/31 | N | Georgia (12-1) | [P4:SEC] | L | 11-34 | CFP Semifinal at the Capital One Orange Bowl * |
* game does not count in Harbin ratings