Big Ten rankings · National FBS rankings · All teams
| Date | H/A | Opponent | Tier:Conf | Result | Score | Notes |
|---|---|---|---|---|---|---|
| 8/30 | H | Missouri St (7-5) | [G5:CUSA] | W | 73-13 | |
| 9/6 | H | GA Southern (6-6) | [G5:Sun Belt] | W | 59-20 | |
| 9/13 | A | Purdue (2-10) | [P4:Big Ten] | W | 33-17 | |
| 9/20 | H | Michigan St (4-8) | [P4:Big Ten] | W | 45-31 | |
| 9/27 | A | Illinois (8-4) | [P4:Big Ten] | L | 32-34 | |
| 10/11 | H | Michigan (9-3) | [P4:Big Ten] | W | 31-13 | |
| 10/18 | A | Notre Dame (10-2) | [P4:Ind] | L | 24-34 | |
| 11/1 | A | Nebraska (7-5) | [P4:Big Ten] | W | 21-17 | |
| 11/7 | H | Northwestern (6-6) | [P4:Big Ten] | W | 38-17 | |
| 11/15 | H | Iowa (8-4) | [P4:Big Ten] | W | 26-21 | |
| 11/22 | A | Oregon (11-1) | [P4:Big Ten] | L | 27-42 | |
| 11/29 | H | UCLA (3-9) | [P4:Big Ten] | W | 29-10 | |
| 12/30 | N | TCU (8-4) | [P4:Big 12] | L | 27-30 | Valero Alamo Bowl * |
* game does not count in Harbin ratings