2021 Mountain West Conference Leaders First Downs - Games vs. Ranked Teams Only (AP Poll) through 01/10/2022
| Name | G | Rush | Pass | Penalty | Total | Total/G | |
|---|---|---|---|---|---|---|---|
| 1 | Boise State | 4 | 36 | 43 | 9 | 88 | 22.0 |
| 2 | Utah State | 2 | 10 | 30 | 6 | 46 | 23.0 |
| 3 | Fresno State | 2 | 13 | 27 | 7 | 47 | 23.5 |
| 4 | Colorado State | 2 | 13 | 24 | 1 | 38 | 19.0 |
| 4 | Hawai'i | 2 | 6 | 24 | 5 | 35 | 17.5 |
| 6 | Nevada | 1 | 1 | 17 | 1 | 19 | 19.0 |
| 7 | San Jose State | 2 | 11 | 15 | 2 | 28 | 14.0 |
| 7 | UNLV | 2 | 9 | 15 | 2 | 26 | 13.0 |
| 9 | San Diego State | 2 | 14 | 11 | 4 | 29 | 14.5 |
| 10 | Wyoming | 1 | 13 | 9 | 0 | 22 | 22.0 |
| 10 | New Mexico | 2 | 15 | 9 | 4 | 28 | 14.0 |
| 12 | Air Force | 2 | 26 | 8 | 4 | 38 | 19.0 |