2015 Pac-12 Conference Leaders Fumbles Lost - Games in October Only through 01/11/2016
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Washington | 4 | 0 | 0 | 0 |
| 1 | Oregon State | 4 | 2 | 0 | 0.00 |
| 3 | USC | 4 | 2 | 1 | 50.00 |
| 3 | Stanford | 4 | 3 | 1 | 33.33 |
| 3 | Oregon | 4 | 4 | 1 | 25.00 |
| 3 | Utah | 4 | 7 | 1 | 14.29 |
| 3 | Arizona State | 4 | 8 | 1 | 12.50 |
| 8 | UCLA | 4 | 3 | 3 | 100.00 |
| 8 | California | 4 | 7 | 3 | 42.86 |
| 10 | Colorado | 5 | 9 | 4 | 44.44 |
| 10 | Arizona | 5 | 12 | 4 | 33.33 |
| 12 | Washington State | 5 | 12 | 6 | 50.00 |