2021 Pac-12 Conference Leaders Opponent Penalties - Games in December/January Only through 01/10/2022
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Oregon | 2 | 18 | 164 | 9.0 | 82.0 |
| 2 | Utah | 2 | 16 | 157 | 8.0 | 78.5 |
| 3 | Washington State | 1 | 11 | 90 | 11.0 | 90.0 |
| 4 | California | 1 | 7 | 39 | 7.0 | 39.0 |
| 5 | USC | 1 | 6 | 53 | 6.0 | 53.0 |
| 6 | Oregon State | 1 | 5 | 46 | 5.0 | 46.0 |
| 7 | Arizona State | 1 | 2 | 10 | 2.0 | 10.0 |