2021 Mountain West Conference Leaders Rushing Defense - Games vs. FBS non-Power 5 Conference Teams Only through 01/10/2022
| Name | G | Att | Yards | Avg. | TD | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|
| 1 | Air Force | 11 | 336 | 1101 | 3.28 | 15 | 30.55 | 100.09 |
| 2 | UNLV | 9 | 339 | 1492 | 4.40 | 12 | 37.67 | 165.78 |
| 3 | Fresno State | 10 | 341 | 1266 | 3.71 | 10 | 34.10 | 126.60 |
| 4 | San Diego State | 11 | 342 | 1015 | 2.97 | 7 | 31.09 | 92.27 |
| 5 | Hawai'i | 10 | 390 | 1455 | 3.73 | 15 | 39.00 | 145.50 |
| 6 | Colorado State | 9 | 391 | 1597 | 4.08 | 12 | 43.44 | 177.44 |
| 7 | San Jose State | 10 | 394 | 1352 | 3.43 | 9 | 39.40 | 135.20 |
| 8 | Nevada | 10 | 399 | 1862 | 4.67 | 17 | 39.90 | 186.20 |
| 9 | New Mexico | 10 | 408 | 1571 | 3.85 | 16 | 40.80 | 157.10 |
| 10 | Boise State | 11 | 421 | 1658 | 3.94 | 11 | 38.27 | 150.73 |
| 11 | Utah State | 11 | 430 | 1899 | 4.42 | 18 | 39.09 | 172.64 |
| 12 | Wyoming | 12 | 484 | 2228 | 4.60 | 17 | 40.33 | 185.67 |