Pac-12 series records
| Opponent | Wins needed to reach 0.500 | Record since 1998 | Overall Record |
| Utah | 0 | 3-2 | 11-6-1 |
| Colorado | 0 | 1-0 | 4-2 |
| WSU | 1 | 10-4 | 47-48-3 |
| Cal | 2 | 12-3 | 32-34 |
| UA | 7 | 12-2 | 14-21-1 |
| ASU | 13 | 6-7 | 13-26-1 |
| UO | 15 | 5-10 | 46-61-10 |
| UCLA | 25 | 5-7 | 16-41-4 |
| UW | 26 | 8-7 | 34-60-4 |
| Stanford | 27 | 7-7 | 25-52-3 |
| USC | 49 | 4-8 | 11-60-4 |
