2025 Mountain West Conference Leaders Fumbles Lost - Games vs. Ranked Teams Only (AP Poll) through 01/19/2026
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | New Mexico | 1 | 0 | 0 | 0 |
| 2 | Boise State | 1 | 1 | 0 | 0.00 |
| 3 | San Diego State | 1 | 2 | 1 | 50.00 |
| 3 | Utah State | 2 | 4 | 2 | 50.00 |
| 5 | Air Force | 1 | 1 | 1 | 100.00 |
| 5 | Wyoming | 1 | 1 | 1 | 100.00 |
| 5 | San Jose State | 1 | 3 | 3 | 100.00 |