2021 Pac-12 Conference Leaders Opponent Penalties - Games at Home Only through 01/10/2022
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Oregon | 7 | 58 | 434 | 8.3 | 62.0 |
| 2 | USC | 7 | 57 | 548 | 8.1 | 78.3 |
| 3 | Washington | 7 | 54 | 518 | 7.7 | 74.0 |
| 4 | Utah | 6 | 48 | 383 | 8.0 | 63.8 |
| 5 | Colorado | 6 | 46 | 420 | 7.7 | 70.0 |
| 6 | Arizona State | 7 | 44 | 402 | 6.3 | 57.4 |
| 7 | Washington State | 7 | 41 | 292 | 5.9 | 41.7 |
| 8 | UCLA | 7 | 40 | 271 | 5.7 | 38.7 |
| 9 | Arizona | 6 | 39 | 378 | 6.5 | 63.0 |
| 10 | Oregon State | 6 | 37 | 291 | 6.2 | 48.5 |
| 11 | Stanford | 6 | 34 | 339 | 5.7 | 56.5 |
| 12 | California | 6 | 29 | 223 | 4.8 | 37.2 |