2021 Mountain West Conference Leaders Opponent Penalties - Games vs. Unranked Teams Only (AP Poll) through 01/10/2022
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Utah State | 12 | 96 | 866 | 8.0 | 72.2 |
| 2 | Boise State | 8 | 59 | 476 | 7.4 | 59.5 |
| 3 | San Diego State | 12 | 82 | 741 | 6.8 | 61.8 |
| 4 | Fresno State | 11 | 69 | 573 | 6.3 | 52.1 |
| 5 | Colorado State | 10 | 62 | 515 | 6.2 | 51.5 |
| 6 | New Mexico | 10 | 61 | 555 | 6.1 | 55.5 |
| 7 | Hawai'i | 11 | 65 | 627 | 5.9 | 57.0 |
| 8 | Nevada | 12 | 66 | 623 | 5.5 | 51.9 |
| 9 | UNLV | 10 | 52 | 458 | 5.2 | 45.8 |
| 10 | Wyoming | 12 | 61 | 496 | 5.1 | 41.3 |
| 11 | Air Force | 11 | 54 | 463 | 4.9 | 42.1 |
| 12 | San Jose State | 10 | 44 | 418 | 4.4 | 41.8 |