2015 Pac-12 Conference Leaders Fumbles Lost - Games vs. FBS Power 5 Conference Teams Only through 01/11/2016
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Oregon State | 10 | 8 | 4 | 50.00 |
| 2 | USC | 11 | 11 | 5 | 45.45 |
| 2 | Stanford | 12 | 12 | 5 | 41.67 |
| 2 | Oregon | 11 | 15 | 5 | 33.33 |
| 5 | UCLA | 11 | 13 | 6 | 46.15 |
| 5 | Colorado | 9 | 16 | 6 | 37.50 |
| 7 | California | 10 | 11 | 7 | 63.64 |
| 7 | Washington | 9 | 11 | 7 | 63.64 |
| 7 | Arizona | 9 | 20 | 7 | 35.00 |
| 10 | Utah | 10 | 20 | 8 | 40.00 |
| 10 | Arizona State | 11 | 21 | 8 | 38.10 |
| 12 | Washington State | 11 | 20 | 12 | 60.00 |