2021 Mountain West Conference Leaders Opponent First Downs - Games Lost Only through 01/10/2022
| Name | G | Rush | Pass | Penalty | Total | Total/G | |
|---|---|---|---|---|---|---|---|
| 1 | San Diego State | 2 | 16 | 24 | 7 | 47 | 23.5 |
| 2 | Air Force | 3 | 22 | 25 | 1 | 48 | 16.0 |
| 2 | Fresno State | 3 | 31 | 25 | 10 | 66 | 22.0 |
| 4 | Utah State | 3 | 33 | 32 | 4 | 69 | 23.0 |
| 5 | Nevada | 5 | 74 | 36 | 4 | 114 | 22.8 |
| 6 | Boise State | 5 | 54 | 42 | 6 | 102 | 20.4 |
| 7 | Wyoming | 6 | 55 | 50 | 7 | 112 | 18.7 |
| 8 | New Mexico | 9 | 82 | 75 | 17 | 174 | 19.3 |
| 9 | San Jose State | 7 | 53 | 82 | 19 | 154 | 22.0 |
| 9 | Hawai'i | 7 | 60 | 82 | 12 | 154 | 22.0 |
| 11 | Colorado State | 9 | 98 | 83 | 23 | 204 | 22.7 |
| 12 | UNLV | 10 | 102 | 122 | 12 | 236 | 23.6 |