2018 Mountain West Conference Leaders Opponent Penalties - Games in October Only through 01/07/2019
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Nevada | 4 | 28 | 279 | 7.0 | 69.8 |
| 2 | Utah State | 4 | 28 | 235 | 7.0 | 58.8 |
| 3 | San Diego State | 4 | 22 | 231 | 5.5 | 57.8 |
| 4 | Hawai'i | 4 | 25 | 224 | 6.3 | 56.0 |
| 5 | UNLV | 4 | 21 | 207 | 5.3 | 51.8 |
| 6 | Colorado State | 4 | 22 | 187 | 5.5 | 46.8 |
| 7 | San Jose State | 4 | 23 | 178 | 5.8 | 44.5 |
| 8 | New Mexico | 4 | 25 | 168 | 6.3 | 42.0 |
| 9 | Boise State | 4 | 24 | 165 | 6.0 | 41.3 |
| 10 | Fresno State | 4 | 17 | 151 | 4.3 | 37.8 |
| 11 | Air Force | 4 | 19 | 150 | 4.8 | 37.5 |
| 12 | Wyoming | 4 | 16 | 148 | 4.0 | 37.0 |