2017 Pac-12 Conference Leaders Fumbles Lost - Games Lost Only through 01/08/2018
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Stanford | 5 | 9 | 1 | 11.11 |
| 2 | Colorado | 7 | 7 | 2 | 28.57 |
| 3 | Washington State | 4 | 11 | 4 | 36.36 |
| 4 | Arizona State | 6 | 8 | 3 | 37.50 |
| 5 | Washington | 3 | 5 | 2 | 40.00 |
| 5 | Utah | 6 | 10 | 4 | 40.00 |
| 7 | California | 7 | 12 | 6 | 50.00 |
| 8 | Oregon | 6 | 13 | 7 | 53.85 |
| 9 | Arizona | 6 | 8 | 5 | 62.50 |
| 10 | Oregon State | 11 | 19 | 15 | 78.95 |
| 11 | USC | 3 | 7 | 6 | 85.71 |
| 12 | UCLA | 7 | 9 | 8 | 88.89 |