2018 Mountain West Conference Leaders Fumbles Lost - Games in October Only through 01/07/2019
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Fresno State | 4 | 4 | 1 | 25.00 |
| 1 | Wyoming | 4 | 4 | 1 | 25.00 |
| 1 | Boise State | 4 | 5 | 1 | 20.00 |
| 1 | UNLV | 4 | 5 | 1 | 20.00 |
| 5 | Air Force | 4 | 3 | 2 | 66.67 |
| 5 | Colorado State | 4 | 5 | 2 | 40.00 |
| 7 | Hawai'i | 4 | 7 | 3 | 42.86 |
| 7 | New Mexico | 4 | 7 | 3 | 42.86 |
| 9 | Utah State | 4 | 5 | 4 | 80.00 |
| 9 | San Jose State | 4 | 7 | 4 | 57.14 |
| 11 | San Diego State | 4 | 6 | 5 | 83.33 |
| 11 | Nevada | 4 | 9 | 5 | 55.56 |