2020 Pac-12 Conference Leaders Opponent Penalties - Games vs. Conference Teams Only through 01/11/2021
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | UCLA | 7 | 50 | 410 | 7.1 | 58.6 |
| 2 | Oregon State | 7 | 45 | 366 | 6.4 | 52.3 |
| 3 | Oregon | 6 | 42 | 393 | 7.0 | 65.5 |
| 4 | Arizona | 5 | 34 | 301 | 6.8 | 60.2 |
| 5 | Stanford | 6 | 32 | 272 | 5.3 | 45.3 |
| 6 | USC | 6 | 31 | 296 | 5.2 | 49.3 |
| 7 | Utah | 5 | 29 | 258 | 5.8 | 51.6 |
| 8 | California | 4 | 27 | 232 | 6.8 | 58.0 |
| 9 | Arizona State | 4 | 24 | 205 | 6.0 | 51.3 |
| 10 | Colorado | 4 | 22 | 175 | 5.5 | 43.8 |
| 11 | Washington State | 4 | 20 | 197 | 5.0 | 49.3 |
| 12 | Washington | 4 | 18 | 145 | 4.5 | 36.3 |