2018 Mountain West Conference Leaders Fumbles Lost - Games vs. Conference Teams Only through 01/07/2019
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | San Jose State | 8 | 7 | 1 | 14.29 |
| 2 | Colorado State | 8 | 7 | 2 | 28.57 |
| 2 | Boise State | 9 | 8 | 2 | 25.00 |
| 4 | UNLV | 8 | 9 | 3 | 33.33 |
| 5 | Fresno State | 9 | 10 | 5 | 50.00 |
| 6 | Hawai'i | 8 | 12 | 6 | 50.00 |
| 6 | Wyoming | 8 | 13 | 6 | 46.15 |
| 6 | New Mexico | 8 | 14 | 6 | 42.86 |
| 9 | San Diego State | 8 | 10 | 8 | 80.00 |
| 9 | Air Force | 8 | 11 | 8 | 72.73 |
| 9 | Nevada | 8 | 12 | 8 | 66.67 |
| 12 | Utah State | 8 | 13 | 9 | 69.23 |