2019 Mountain West Conference Leaders Fumbles Lost - Games vs. Ranked Teams Only (AP Poll) through 01/13/2020
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Utah State | 3 | 0 | 0 | 0 |
| 1 | Boise State | 1 | 1 | 0 | 0.00 |
| 1 | Fresno State | 2 | 2 | 0 | 0.00 |
| 1 | San Jose State | 2 | 2 | 0 | 0.00 |
| 1 | UNLV | 1 | 3 | 0 | 0.00 |
| 6 | Wyoming | 2 | 1 | 1 | 100.00 |
| 6 | Colorado State | 2 | 3 | 1 | 33.33 |
| 8 | Nevada | 1 | 4 | 2 | 50.00 |
| 8 | Air Force | 2 | 4 | 2 | 50.00 |
| 10 | New Mexico | 3 | 5 | 4 | 80.00 |
| 11 | Hawai'i | 3 | 7 | 5 | 71.43 |