2021 Pac-12 Conference Leaders Opponent Penalties - Games in November Only through 01/10/2022
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Oregon State | 4 | 36 | 239 | 9.0 | 59.8 |
| 2 | Washington | 4 | 32 | 304 | 8.0 | 76.0 |
| 3 | Arizona | 4 | 31 | 312 | 7.8 | 78.0 |
| 4 | Colorado | 4 | 27 | 245 | 6.8 | 61.3 |
| 5 | California | 3 | 19 | 172 | 6.3 | 57.3 |
| 5 | USC | 3 | 19 | 162 | 6.3 | 54.0 |
| 5 | Washington State | 3 | 19 | 146 | 6.3 | 48.7 |
| 8 | UCLA | 3 | 18 | 151 | 6.0 | 50.3 |
| 9 | Arizona State | 4 | 21 | 200 | 5.3 | 50.0 |
| 10 | Stanford | 4 | 20 | 206 | 5.0 | 51.5 |
| 11 | Oregon | 4 | 17 | 160 | 4.3 | 40.0 |
| 11 | Utah | 4 | 17 | 121 | 4.3 | 30.3 |