2017 Mountain West Conference Leaders Fumbles Lost - Games vs. Unranked Teams Only (AP Poll) through 01/08/2018
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Colorado State | 11 | 9 | 5 | 55.56 |
| 1 | Nevada | 10 | 18 | 5 | 27.78 |
| 3 | Boise State | 14 | 11 | 6 | 54.55 |
| 3 | Wyoming | 12 | 12 | 6 | 50.00 |
| 3 | Fresno State | 10 | 13 | 6 | 46.15 |
| 3 | UNLV | 11 | 13 | 6 | 46.15 |
| 3 | Hawai'i | 12 | 16 | 6 | 37.50 |
| 8 | San Diego State | 11 | 11 | 8 | 72.73 |
| 9 | Utah State | 11 | 16 | 10 | 62.50 |
| 10 | Air Force | 11 | 27 | 11 | 40.74 |
| 11 | New Mexico | 11 | 25 | 14 | 56.00 |
| 12 | San Jose State | 12 | 36 | 22 | 61.11 |