2021 Pac-12 Conference Leaders Opponent Penalties - Games vs. Unranked Teams Only (AP Poll) through 01/10/2022
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | USC | 9 | 74 | 719 | 8.2 | 79.9 |
| 2 | Colorado | 10 | 76 | 717 | 7.6 | 71.7 |
| 3 | Arizona | 8 | 54 | 573 | 6.8 | 71.6 |
| 4 | Stanford | 9 | 62 | 621 | 6.9 | 69.0 |
| 5 | Utah | 9 | 68 | 593 | 7.6 | 65.9 |
| 6 | Washington | 10 | 68 | 605 | 6.8 | 60.5 |
| 7 | Oregon | 10 | 80 | 586 | 8.0 | 58.6 |
| 8 | Oregon State | 10 | 62 | 523 | 6.2 | 52.3 |
| 9 | Arizona State | 11 | 58 | 544 | 5.3 | 49.5 |
| 10 | California | 11 | 61 | 516 | 5.5 | 46.9 |
| 11 | Washington State | 9 | 56 | 400 | 6.2 | 44.4 |
| 12 | UCLA | 10 | 58 | 418 | 5.8 | 41.8 |