2017 Mountain West Conference Leaders Opponent Penalties - Games in August/September Only through 01/08/2018
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Nevada | 5 | 44 | 396 | 8.8 | 79.2 |
| 2 | San Jose State | 6 | 38 | 305 | 6.3 | 50.8 |
| 3 | Utah State | 5 | 40 | 288 | 8.0 | 57.6 |
| 3 | Hawai'i | 5 | 30 | 288 | 6.0 | 57.6 |
| 5 | UNLV | 4 | 29 | 281 | 7.3 | 70.3 |
| 6 | New Mexico | 5 | 32 | 277 | 6.4 | 55.4 |
| 7 | San Diego State | 5 | 27 | 243 | 5.4 | 48.6 |
| 8 | Colorado State | 5 | 27 | 221 | 5.4 | 44.2 |
| 9 | Wyoming | 5 | 22 | 201 | 4.4 | 40.2 |
| 10 | Air Force | 4 | 16 | 157 | 4.0 | 39.3 |
| 11 | Boise State | 4 | 17 | 143 | 4.3 | 35.8 |
| 12 | Fresno State | 4 | 19 | 141 | 4.8 | 35.3 |