2021 Mountain West Conference Leaders Fumbles Lost - Games vs. FBS non-Power 5 Conference Teams Only through 01/10/2022
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Nevada | 10 | 8 | 2 | 25.00 |
| 2 | Boise State | 11 | 12 | 4 | 33.33 |
| 3 | Fresno State | 10 | 9 | 6 | 66.67 |
| 3 | Colorado State | 9 | 12 | 6 | 50.00 |
| 3 | Utah State | 11 | 14 | 6 | 42.86 |
| 3 | Wyoming | 12 | 15 | 6 | 40.00 |
| 3 | Air Force | 11 | 17 | 6 | 35.29 |
| 8 | UNLV | 9 | 10 | 7 | 70.00 |
| 9 | San Diego State | 11 | 14 | 8 | 57.14 |
| 10 | Hawai'i | 10 | 16 | 10 | 62.50 |
| 11 | New Mexico | 10 | 20 | 11 | 55.00 |
| 12 | San Jose State | 10 | 24 | 13 | 54.17 |