2017 Pac-12 Conference Leaders Opponent Penalties - Games vs. Non-Conference Teams Only through 01/08/2018
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | California | 3 | 29 | 213 | 9.7 | 71.0 |
| 1 | Arizona State | 4 | 29 | 266 | 7.3 | 66.5 |
| 3 | Arizona | 4 | 28 | 273 | 7.0 | 68.3 |
| 4 | UCLA | 4 | 26 | 248 | 6.5 | 62.0 |
| 4 | USC | 4 | 26 | 188 | 6.5 | 47.0 |
| 6 | Stanford | 4 | 22 | 190 | 5.5 | 47.5 |
| 7 | Utah | 4 | 20 | 189 | 5.0 | 47.3 |
| 7 | Washington State | 4 | 20 | 160 | 5.0 | 40.0 |
| 9 | Colorado | 3 | 19 | 196 | 6.3 | 65.3 |
| 9 | Oregon State | 3 | 19 | 165 | 6.3 | 55.0 |
| 11 | Oregon | 4 | 18 | 189 | 4.5 | 47.3 |
| 12 | Washington | 4 | 16 | 134 | 4.0 | 33.5 |