2018 Mountain West Conference Leaders Fumbles Lost - Games vs. Non-Conference Teams Only through 01/07/2019
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Wyoming | 4 | 2 | 1 | 50.00 |
| 2 | Air Force | 4 | 4 | 2 | 50.00 |
| 3 | New Mexico | 4 | 5 | 3 | 60.00 |
| 3 | Utah State | 5 | 5 | 3 | 60.00 |
| 5 | Fresno State | 5 | 6 | 3 | 50.00 |
| 5 | Nevada | 5 | 6 | 3 | 50.00 |
| 5 | UNLV | 4 | 6 | 4 | 66.67 |
| 8 | San Diego State | 5 | 7 | 3 | 42.86 |
| 8 | Colorado State | 4 | 7 | 4 | 57.14 |
| 8 | San Jose State | 4 | 7 | 5 | 71.43 |
| 11 | Boise State | 4 | 8 | 3 | 37.50 |
| 11 | Hawai'i | 6 | 8 | 3 | 37.50 |