2018 Mountain West Conference Leaders Fumbles Lost - Games vs. FBS Teams With Winning Record Only through 01/07/2019
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Air Force | 5 | 4 | 3 | 75.00 |
| 2 | Utah State | 5 | 5 | 2 | 40.00 |
| 2 | Wyoming | 6 | 5 | 3 | 60.00 |
| 4 | New Mexico | 5 | 6 | 4 | 66.67 |
| 5 | UNLV | 6 | 7 | 3 | 42.86 |
| 6 | Fresno State | 8 | 8 | 4 | 50.00 |
| 6 | Hawai'i | 7 | 8 | 4 | 50.00 |
| 8 | Colorado State | 5 | 9 | 4 | 44.44 |
| 9 | Nevada | 6 | 10 | 6 | 60.00 |
| 10 | San Diego State | 8 | 11 | 7 | 63.64 |
| 11 | Boise State | 8 | 12 | 5 | 41.67 |
| 12 | San Jose State | 8 | 13 | 5 | 38.46 |