2019 Pac-12 Conference Leaders Opponent Penalties - Games in October Only through 01/13/2020
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Oregon | 4 | 36 | 310 | 9.0 | 77.5 |
| 2 | California | 3 | 24 | 211 | 8.0 | 70.3 |
| 3 | USC | 3 | 23 | 185 | 7.7 | 61.7 |
| 4 | Washington State | 3 | 21 | 208 | 7.0 | 69.3 |
| 4 | Arizona | 4 | 28 | 272 | 7.0 | 68.0 |
| 4 | Arizona State | 3 | 21 | 150 | 7.0 | 50.0 |
| 7 | Utah | 3 | 18 | 163 | 6.0 | 54.3 |
| 8 | Colorado | 4 | 23 | 244 | 5.8 | 61.0 |
| 9 | Washington | 3 | 17 | 133 | 5.7 | 44.3 |
| 9 | UCLA | 3 | 17 | 119 | 5.7 | 39.7 |
| 11 | Stanford | 3 | 16 | 128 | 5.3 | 42.7 |
| 12 | Oregon State | 3 | 12 | 117 | 4.0 | 39.0 |