2018 Mountain West Conference Leaders Fumbles Lost - Games vs. FBS Teams With Non-Winning Record Only through 01/07/2019
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | San Jose State | 3 | 0 | 0 | 0 |
| 2 | Boise State | 5 | 4 | 0 | 0.00 |
| 3 | UNLV | 5 | 6 | 2 | 33.33 |
| 3 | New Mexico | 6 | 12 | 4 | 33.33 |
| 5 | Hawai'i | 6 | 11 | 4 | 36.36 |
| 6 | Colorado State | 6 | 5 | 2 | 40.00 |
| 6 | Wyoming | 5 | 10 | 4 | 40.00 |
| 8 | Air Force | 6 | 9 | 5 | 55.56 |
| 9 | Fresno State | 5 | 7 | 4 | 57.14 |
| 10 | San Diego State | 4 | 6 | 4 | 66.67 |
| 11 | Nevada | 6 | 7 | 5 | 71.43 |
| 12 | Utah State | 7 | 11 | 8 | 72.73 |