2020 Pac-12 Conference Leaders Opponent Penalties - Games Lost Only through 01/11/2021
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | USC | 1 | 5 | 70 | 5.0 | 70.0 |
| 2 | Arizona | 5 | 34 | 301 | 6.8 | 60.2 |
| 3 | UCLA | 4 | 25 | 240 | 6.3 | 60.0 |
| 4 | California | 3 | 18 | 172 | 6.0 | 57.3 |
| 5 | Stanford | 2 | 12 | 104 | 6.0 | 52.0 |
| 6 | Oregon State | 5 | 31 | 256 | 6.2 | 51.2 |
| 7 | Washington State | 3 | 16 | 152 | 5.3 | 50.7 |
| 8 | Utah | 2 | 11 | 100 | 5.5 | 50.0 |
| 9 | Arizona State | 2 | 10 | 96 | 5.0 | 48.0 |
| 10 | Colorado | 2 | 10 | 89 | 5.0 | 44.5 |
| 11 | Oregon | 3 | 15 | 115 | 5.0 | 38.3 |
| 12 | Washington | 1 | 3 | 25 | 3.0 | 25.0 |