2021 Mountain West Conference Leaders Opponent First Downs - Games vs. Ranked Teams Only (AP Poll) through 01/10/2022
| Name | G | Rush | Pass | Penalty | Total | Total/G | |
|---|---|---|---|---|---|---|---|
| 1 | Nevada | 1 | 10 | 8 | 2 | 20 | 20.0 |
| 2 | New Mexico | 2 | 14 | 14 | 8 | 36 | 18.0 |
| 2 | Wyoming | 1 | 7 | 14 | 2 | 23 | 23.0 |
| 4 | Colorado State | 2 | 16 | 16 | 6 | 38 | 19.0 |
| 5 | San Jose State | 2 | 14 | 18 | 8 | 40 | 20.0 |
| 6 | Fresno State | 2 | 19 | 19 | 6 | 44 | 22.0 |
| 7 | Air Force | 2 | 14 | 21 | 1 | 36 | 18.0 |
| 8 | Utah State | 2 | 15 | 22 | 2 | 39 | 19.5 |
| 9 | UNLV | 2 | 15 | 23 | 3 | 41 | 20.5 |
| 9 | Hawai'i | 2 | 17 | 23 | 5 | 45 | 22.5 |
| 11 | San Diego State | 2 | 9 | 28 | 7 | 44 | 22.0 |
| 12 | Boise State | 4 | 36 | 38 | 3 | 77 | 19.3 |