2021 Mountain West Conference Leaders Fumbles Lost - Games vs. FBS (I-A) Teams Only through 01/10/2022
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Nevada | 12 | 9 | 2 | 22.22 |
| 2 | Boise State | 12 | 14 | 5 | 35.71 |
| 3 | Wyoming | 12 | 15 | 6 | 40.00 |
| 3 | Air Force | 12 | 18 | 6 | 33.33 |
| 5 | UNLV | 11 | 10 | 7 | 70.00 |
| 5 | Colorado State | 11 | 15 | 7 | 46.67 |
| 7 | Utah State | 13 | 16 | 8 | 50.00 |
| 8 | San Diego State | 13 | 16 | 9 | 56.25 |
| 9 | Hawai'i | 12 | 18 | 10 | 55.56 |
| 10 | Fresno State | 12 | 17 | 11 | 64.71 |
| 10 | New Mexico | 11 | 20 | 11 | 55.00 |
| 12 | San Jose State | 11 | 25 | 13 | 52.00 |