2021 Pac-12 Conference Leaders Opponent Penalties - Games vs. Ranked Teams Only (AP Poll) through 01/10/2022
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | California | 1 | 9 | 82 | 9.0 | 82.0 |
| 2 | Oregon | 4 | 31 | 280 | 7.8 | 70.0 |
| 2 | Arizona | 4 | 28 | 280 | 7.0 | 70.0 |
| 4 | Utah | 5 | 35 | 326 | 7.0 | 65.2 |
| 5 | Washington | 2 | 14 | 130 | 7.0 | 65.0 |
| 6 | UCLA | 2 | 14 | 110 | 7.0 | 55.0 |
| 7 | Stanford | 3 | 16 | 153 | 5.3 | 51.0 |
| 8 | Oregon State | 3 | 19 | 133 | 6.3 | 44.3 |
| 9 | Washington State | 4 | 19 | 169 | 4.8 | 42.3 |
| 10 | USC | 3 | 12 | 109 | 4.0 | 36.3 |
| 11 | Arizona State | 2 | 8 | 70 | 4.0 | 35.0 |
| 12 | Colorado | 2 | 7 | 60 | 3.5 | 30.0 |