2021 Mountain West Conference Leaders Opponent First Downs - Games in August/September Only through 01/10/2022
| Name | G | Rush | Pass | Penalty | Total | Total/G | |
|---|---|---|---|---|---|---|---|
| 1 | Air Force | 4 | 20 | 31 | 3 | 54 | 13.5 |
| 2 | Fresno State | 5 | 31 | 36 | 11 | 78 | 15.6 |
| 3 | San Diego State | 4 | 11 | 43 | 9 | 63 | 15.8 |
| 4 | New Mexico | 4 | 21 | 38 | 8 | 67 | 16.8 |
| 4 | Colorado State | 4 | 22 | 36 | 9 | 67 | 16.8 |
| 6 | Nevada | 3 | 30 | 22 | 4 | 56 | 18.7 |
| 7 | San Jose State | 4 | 25 | 41 | 9 | 75 | 18.8 |
| 8 | Wyoming | 4 | 34 | 32 | 11 | 77 | 19.3 |
| 9 | Boise State | 4 | 40 | 35 | 8 | 83 | 20.8 |
| 10 | Hawai'i | 5 | 43 | 61 | 5 | 109 | 21.8 |
| 11 | Utah State | 4 | 40 | 41 | 11 | 92 | 23.0 |
| 12 | UNLV | 4 | 40 | 56 | 5 | 101 | 25.3 |