2021 Mountain West Conference Leaders Fumbles Lost - Games Won Only through 01/10/2022
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Boise State | 7 | 5 | 1 | 20.00 |
| 1 | Nevada | 8 | 5 | 1 | 20.00 |
| 1 | New Mexico | 3 | 5 | 1 | 20.00 |
| 4 | Wyoming | 7 | 8 | 2 | 25.00 |
| 5 | Air Force | 10 | 13 | 4 | 30.77 |
| 6 | San Diego State | 12 | 14 | 6 | 42.86 |
| 7 | San Jose State | 5 | 11 | 5 | 45.45 |
| 7 | Utah State | 11 | 11 | 5 | 45.45 |
| 9 | Colorado State | 3 | 2 | 1 | 50.00 |
| 10 | Hawai'i | 6 | 17 | 9 | 52.94 |
| 11 | Fresno State | 10 | 11 | 7 | 63.64 |
| 12 | UNLV | 2 | 3 | 2 | 66.67 |