Big Ten rankings · National FBS rankings · All teams
| Date | H/A | Opponent | Tier:Conf | Result | Score | Notes |
|---|---|---|---|---|---|---|
| 8/30 | H | Montana St (10-2) | [FCS:BSKY] | W | 59-13 | |
| 9/6 | H | Oklahoma St (1-11) | [P4:Big 12] | W | 69-3 | |
| 9/13 | A | Northwestern (6-6) | [P4:Big Ten] | W | 34-14 | |
| 9/20 | H | Oregon St (2-10) | [G5:Pac-12] | W | 41-7 | |
| 9/27 | A | Penn State (6-6) | [P4:Big Ten] | W | 30-24 | |
| 10/11 | H | Indiana (13-0) | [P4:Big Ten] | L | 20-30 | |
| 10/18 | A | Rutgers (5-7) | [P4:Big Ten] | W | 56-10 | |
| 10/25 | H | Wisconsin (4-8) | [P4:Big Ten] | W | 21-7 | |
| 11/8 | A | Iowa (8-4) | [P4:Big Ten] | W | 18-16 | |
| 11/14 | H | Minnesota (7-5) | [P4:Big Ten] | W | 42-13 | |
| 11/22 | H | USC (9-3) | [P4:Big Ten] | W | 42-27 | |
| 11/29 | A | Washington (8-4) | [P4:Big Ten] | W | 26-14 | |
| 12/20 | H | James Madison (12-1) | [G5:Sun Belt] | W | 51-34 | College Football Playoff First Round Game * |
| 1/1 | N | Texas Tech (12-1) | [P4:Big 12] | W | 23-0 | College Football Playoff Quarterfinal at the Capital One Orange Bowl * |
| 1/9 | N | Indiana (13-0) | [P4:Big Ten] | L | 22-56 | College Football Playoff Semifinal at the Chick-fil-A Peach Bowl * |
* game does not count in Harbin ratings