Big Ten rankings · National FBS rankings · All teams
| Date | H/A | Opponent | Tier:Conf | Result | Score | Notes |
|---|---|---|---|---|---|---|
| 9/3 | N | LSU (7-4) | [P4:SEC] | W | 16-14 | |
| 9/10 | H | Akron (5-7) | [G5:MAC] | W | 54-10 | |
| 9/17 | H | Georgia St (3-9) | [G5:Sun Belt] | W | 23-17 | |
| 9/24 | A | Michigan St (3-9) | [P4:Big Ten] | W | 30-6 | |
| 10/1 | A | Michigan (10-2) | [P4:Big Ten] | L | 7-14 | |
| 10/15 | H | Ohio State (11-1) | [P4:Big Ten] | L | 23-30 | |
| 10/22 | A | Iowa (8-4) | [P4:Big Ten] | W | 17-9 | |
| 10/29 | H | Nebraska (9-3) | [P4:Big Ten] | W | 23-17 | |
| 11/5 | A | Northwestern (6-6) | [P4:Big Ten] | W | 21-7 | |
| 11/12 | H | Illinois (3-9) | [P4:Big Ten] | W | 48-3 | |
| 11/19 | A | Purdue (3-9) | [P4:Big Ten] | W | 49-20 | |
| 11/26 | H | Minnesota (8-4) | [P4:Big Ten] | W | 31-17 | |
| 12/3 | N | Penn State (11-2) | [P4:Big Ten] | L | 31-38 | Big Ten Championship Game |
| 1/2 | N | W Michigan (13-0) | [G5:MAC] | W | 24-16 | Goodyear Cotton Bowl Classic * |
* game does not count in Harbin ratings