2018 Mountain West Conference Leaders Opponent Penalties - Games vs. Unranked Teams Only (AP Poll) through 01/07/2019
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Hawai'i | 11 | 76 | 739 | 6.9 | 67.2 |
| 2 | Utah State | 12 | 85 | 734 | 7.1 | 61.2 |
| 3 | Air Force | 9 | 60 | 498 | 6.7 | 55.3 |
| 4 | UNLV | 10 | 59 | 549 | 5.9 | 54.9 |
| 5 | New Mexico | 9 | 59 | 480 | 6.6 | 53.3 |
| 6 | Colorado State | 9 | 55 | 473 | 6.1 | 52.6 |
| 7 | Nevada | 11 | 70 | 564 | 6.4 | 51.3 |
| 8 | San Jose State | 8 | 50 | 406 | 6.3 | 50.8 |
| 9 | Wyoming | 8 | 41 | 334 | 5.1 | 41.8 |
| 10 | Boise State | 10 | 56 | 417 | 5.6 | 41.7 |
| 11 | San Diego State | 11 | 49 | 455 | 4.5 | 41.4 |
| 12 | Fresno State | 12 | 60 | 480 | 5.0 | 40.0 |