2018 Mountain West Conference Leaders Opponent Penalties - Games vs. Ranked Teams Only (AP Poll) through 01/07/2019
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Wyoming | 4 | 30 | 243 | 7.5 | 60.8 |
| 2 | San Jose State | 4 | 26 | 215 | 6.5 | 53.8 |
| 3 | Hawai'i | 3 | 25 | 244 | 8.3 | 81.3 |
| 4 | Boise State | 3 | 23 | 183 | 7.7 | 61.0 |
| 5 | Colorado State | 3 | 20 | 186 | 6.7 | 62.0 |
| 6 | New Mexico | 3 | 17 | 108 | 5.7 | 36.0 |
| 7 | Nevada | 2 | 13 | 138 | 6.5 | 69.0 |
| 8 | Air Force | 3 | 11 | 119 | 3.7 | 39.7 |
| 9 | Fresno State | 2 | 10 | 95 | 5.0 | 47.5 |
| 9 | UNLV | 2 | 10 | 95 | 5.0 | 47.5 |
| 11 | San Diego State | 2 | 9 | 88 | 4.5 | 44.0 |
| 12 | Utah State | 1 | 7 | 69 | 7.0 | 69.0 |