2015 Pac-12 Conference Leaders Fumbles Lost - Games in August/September Only through 01/11/2016
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | UCLA | 4 | 3 | 0 | 0.00 |
| 2 | USC | 4 | 3 | 1 | 33.33 |
| 2 | Washington State | 3 | 5 | 1 | 20.00 |
| 4 | Stanford | 4 | 3 | 2 | 66.67 |
| 4 | Utah | 4 | 5 | 2 | 40.00 |
| 6 | Colorado | 4 | 4 | 3 | 75.00 |
| 6 | Oregon State | 4 | 5 | 3 | 60.00 |
| 6 | Oregon | 4 | 9 | 3 | 33.33 |
| 9 | California | 4 | 4 | 4 | 100.00 |
| 9 | Arizona | 4 | 7 | 4 | 57.14 |
| 11 | Washington | 4 | 7 | 6 | 85.71 |
| 12 | Arizona State | 4 | 13 | 7 | 53.85 |