2020 Pac-12 Conference Leaders Opponent First Downs - Games Lost Only through 01/11/2021
| Name | G | Rush | Pass | Penalty | Total | Total/G | |
|---|---|---|---|---|---|---|---|
| 1 | Washington | 1 | 9 | 14 | 0 | 23 | 23.0 |
| 2 | Utah | 2 | 9 | 27 | 1 | 37 | 18.5 |
| 3 | USC | 1 | 8 | 6 | 2 | 16 | 16.0 |
| 4 | California | 3 | 26 | 26 | 3 | 55 | 18.3 |
| 4 | Washington State | 3 | 22 | 39 | 3 | 64 | 21.3 |
| 6 | Oregon | 3 | 29 | 35 | 4 | 68 | 22.7 |
| 6 | Colorado | 2 | 21 | 23 | 4 | 48 | 24.0 |
| 6 | Arizona State | 2 | 22 | 24 | 4 | 50 | 25.0 |
| 6 | UCLA | 4 | 36 | 61 | 4 | 101 | 25.3 |
| 10 | Stanford | 2 | 26 | 20 | 5 | 51 | 25.5 |
| 11 | Oregon State | 5 | 57 | 44 | 7 | 108 | 21.6 |
| 12 | Arizona | 5 | 55 | 43 | 10 | 108 | 21.6 |