Pac-12 rankings · National FBS rankings · All teams
| Date | H/A | Opponent | Tier:Conf | Result | Score | Notes |
|---|---|---|---|---|---|---|
| 9/1 | N | Auburn (7-5) | [P4:SEC] | L | 16-21 | CHICK-FIL-A KICKOFF |
| 9/8 | H | North Dakota (6-5) | [FCS:INDAA] | W | 45-3 | |
| 9/15 | A | Utah (9-4) | [P4:Pac-12] | W | 21-7 | |
| 9/22 | H | Arizona St (7-5) | [P4:Pac-12] | W | 27-20 | |
| 9/29 | H | BYU (6-6) | [G5:Ind] | W | 35-7 | |
| 10/6 | A | UCLA (3-9) | [P4:Pac-12] | W | 31-24 | |
| 10/13 | A | Oregon (8-4) | [P4:Pac-12] | L | 27-30 | |
| 10/20 | H | Colorado (5-7) | [P4:Pac-12] | W | 27-13 | |
| 10/27 | A | California (7-5) | [P4:Pac-12] | L | 10-12 | |
| 11/3 | H | Stanford (8-4) | [P4:Pac-12] | W | 27-23 | |
| 11/17 | H | Oregon St (2-10) | [P4:Pac-12] | W | 42-23 | |
| 11/23 | A | Washington St (10-2) | [P4:Pac-12] | W | 28-15 | |
| 11/30 | N | Utah (9-4) | [P4:Pac-12] | W | 10-3 | Pac-12 Championship Game |
| 1/1 | N | Ohio State (12-1) | [P4:Big Ten] | L | 23-28 | Rose Bowl Game Pres. by Northwestern Mutual * |
* game does not count in Harbin ratings