2021 Mountain West Conference Leaders Opponent Penalties - Games in October Only through 01/10/2022
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Utah State | 4 | 34 | 330 | 8.5 | 82.5 |
| 2 | Fresno State | 4 | 26 | 271 | 6.5 | 67.8 |
| 2 | Hawai'i | 4 | 25 | 271 | 6.3 | 67.8 |
| 4 | San Diego State | 4 | 30 | 268 | 7.5 | 67.0 |
| 5 | Air Force | 4 | 33 | 255 | 8.3 | 63.8 |
| 6 | Boise State | 4 | 29 | 244 | 7.3 | 61.0 |
| 7 | Nevada | 5 | 33 | 289 | 6.6 | 57.8 |
| 8 | Colorado State | 4 | 27 | 224 | 6.8 | 56.0 |
| 9 | New Mexico | 4 | 26 | 206 | 6.5 | 51.5 |
| 10 | UNLV | 4 | 24 | 185 | 6.0 | 46.3 |
| 11 | San Jose State | 5 | 17 | 167 | 3.4 | 33.4 |
| 12 | Wyoming | 4 | 16 | 129 | 4.0 | 32.3 |