2021 Pac-12 Conference Leaders Opponent Penalties - Games Lost Only through 01/10/2022
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Oregon | 4 | 33 | 268 | 8.3 | 67.0 |
| 2 | Utah | 4 | 31 | 308 | 7.8 | 77.0 |
| 3 | UCLA | 4 | 28 | 216 | 7.0 | 54.0 |
| 4 | Arizona | 11 | 75 | 800 | 6.8 | 72.7 |
| 4 | Washington | 8 | 54 | 519 | 6.8 | 64.9 |
| 6 | Colorado | 8 | 53 | 506 | 6.6 | 63.3 |
| 7 | USC | 8 | 50 | 465 | 6.3 | 58.1 |
| 8 | California | 7 | 42 | 400 | 6.0 | 57.1 |
| 9 | Stanford | 9 | 52 | 498 | 5.8 | 55.3 |
| 9 | Washington State | 6 | 35 | 294 | 5.8 | 49.0 |
| 11 | Oregon State | 6 | 33 | 267 | 5.5 | 44.5 |
| 12 | Arizona State | 5 | 17 | 152 | 3.4 | 30.4 |