2017 Pac-12 Conference Leaders Fumbles Lost - Games Won Only through 01/08/2018
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Oregon State | 1 | 2 | 1 | 50.00 |
| 2 | Arizona | 7 | 4 | 4 | 100.00 |
| 3 | Arizona State | 7 | 5 | 3 | 60.00 |
| 4 | California | 5 | 7 | 2 | 28.57 |
| 4 | Colorado | 5 | 7 | 3 | 42.86 |
| 6 | Stanford | 9 | 9 | 3 | 33.33 |
| 6 | UCLA | 6 | 9 | 4 | 44.44 |
| 8 | Washington | 10 | 10 | 4 | 40.00 |
| 8 | Oregon | 7 | 10 | 6 | 60.00 |
| 8 | Washington State | 9 | 10 | 7 | 70.00 |
| 11 | USC | 11 | 14 | 8 | 57.14 |
| 12 | Utah | 7 | 15 | 8 | 53.33 |