2018 Mountain West Conference Leaders Fumbles Lost - Games Won Only through 01/07/2019
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | San Jose State | 1 | 0 | 0 | 0 |
| 2 | Colorado State | 3 | 4 | 1 | 25.00 |
| 3 | New Mexico | 3 | 6 | 3 | 50.00 |
| 3 | Boise State | 10 | 9 | 3 | 33.33 |
| 5 | UNLV | 4 | 5 | 4 | 80.00 |
| 5 | Wyoming | 6 | 10 | 4 | 40.00 |
| 7 | Nevada | 8 | 10 | 6 | 60.00 |
| 8 | San Diego State | 7 | 9 | 7 | 77.78 |
| 8 | Air Force | 5 | 10 | 7 | 70.00 |
| 8 | Hawai'i | 8 | 14 | 7 | 50.00 |
| 11 | Fresno State | 12 | 13 | 8 | 61.54 |
| 12 | Utah State | 11 | 16 | 11 | 68.75 |