Pac-12 rankings · National FBS rankings · All teams
| Date | H/A | Opponent | Tier:Conf | Result | Score | Notes |
|---|---|---|---|---|---|---|
| 9/3 | A | Florida (6-6) | [P4:SEC] | L | 26-29 | |
| 9/10 | H | Southern Utah (5-6) | [FCS:WAC] | W | 73-7 | |
| 9/17 | H | San Diego St (7-5) | [G5:MWC] | W | 35-7 | |
| 9/24 | A | Arizona St (3-9) | [P4:Pac-12] | W | 34-13 | |
| 10/1 | H | Oregon St (9-3) | [P4:Pac-12] | W | 42-16 | |
| 10/8 | A | UCLA (9-3) | [P4:Pac-12] | L | 32-42 | |
| 10/15 | H | USC (11-2) | [P4:Pac-12] | W | 43-42 | |
| 10/27 | A | Washington St (7-5) | [P4:Pac-12] | W | 21-17 | |
| 11/5 | H | Arizona (5-7) | [P4:Pac-12] | W | 45-20 | |
| 11/12 | H | Stanford (3-9) | [P4:Pac-12] | W | 42-7 | |
| 11/19 | A | Oregon (9-3) | [P4:Pac-12] | L | 17-20 | |
| 11/26 | A | Colorado (1-11) | [P4:Pac-12] | W | 63-21 | |
| 12/2 | N | USC (11-2) | [P4:Pac-12] | W | 47-24 | Pac-12 Championship Game |
| 1/2 | N | Penn State (10-2) | [P4:Big Ten] | L | 21-35 | Rose Bowl Game Presented by Prudential * |
* game does not count in Harbin ratings