2015 Pac-12 Conference Leaders Fumbles Lost - Games vs. FBS (I-A) Teams Only through 01/11/2016
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Oregon State | 11 | 9 | 5 | 55.56 |
| 1 | USC | 14 | 12 | 5 | 41.67 |
| 1 | Stanford | 14 | 12 | 5 | 41.67 |
| 4 | UCLA | 13 | 14 | 6 | 42.86 |
| 4 | Oregon | 12 | 18 | 6 | 33.33 |
| 6 | California | 12 | 12 | 8 | 66.67 |
| 6 | Colorado | 12 | 18 | 8 | 44.44 |
| 8 | Arizona State | 12 | 23 | 9 | 39.13 |
| 9 | Washington | 12 | 17 | 10 | 58.82 |
| 9 | Utah | 13 | 24 | 10 | 41.67 |
| 9 | Arizona | 12 | 25 | 10 | 40.00 |
| 12 | Washington State | 12 | 21 | 12 | 57.14 |