2025 Mountain West Conference Leaders Fumbles Lost - Games in August/September Only through 11/21/2025
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | San Diego State | 4 | 2 | 0 | 0.00 |
| 2 | Air Force | 4 | 2 | 1 | 50.00 |
| 2 | UNLV | 4 | 3 | 1 | 33.33 |
| 4 | Wyoming | 4 | 3 | 2 | 66.67 |
| 5 | Nevada | 4 | 3 | 3 | 100.00 |
| 5 | Utah State | 5 | 5 | 3 | 60.00 |
| 5 | Boise State | 4 | 9 | 3 | 33.33 |
| 8 | Fresno State | 5 | 8 | 4 | 50.00 |
| 9 | Hawaii | 6 | 6 | 5 | 83.33 |
| 9 | New Mexico | 4 | 6 | 5 | 83.33 |
| 9 | Colorado State | 4 | 8 | 5 | 62.50 |
| 12 | San Jose State | 4 | 7 | 6 | 85.71 |