2018 Mountain West Conference Leaders Fumbles Lost - Games in December/January Only through 01/07/2019
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Nevada | 1 | 0 | 0 | 0 |
| 1 | Utah State | 1 | 0 | 0 | 0 |
| 1 | Hawai'i | 1 | 1 | 0 | 0.00 |
| 4 | Boise State | 1 | 1 | 1 | 100.00 |
| 4 | San Diego State | 1 | 3 | 1 | 33.33 |
| 6 | Fresno State | 2 | 3 | 3 | 100.00 |