2017 Pac-12 Conference Leaders Fumbles Lost - Games vs. FBS Power 5 Conference Teams Only through 01/08/2018
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Stanford | 11 | 15 | 3 | 20.00 |
| 2 | Washington | 11 | 13 | 4 | 30.77 |
| 3 | Colorado | 9 | 9 | 3 | 33.33 |
| 4 | California | 11 | 17 | 7 | 41.18 |
| 4 | Oregon | 10 | 17 | 7 | 41.18 |
| 6 | Utah | 10 | 18 | 8 | 44.44 |
| 7 | Washington State | 10 | 15 | 8 | 53.33 |
| 8 | Arizona State | 11 | 9 | 5 | 55.56 |
| 9 | USC | 12 | 18 | 12 | 66.67 |
| 10 | UCLA | 11 | 16 | 11 | 68.75 |
| 11 | Oregon State | 10 | 17 | 13 | 76.47 |
| 12 | Arizona | 10 | 9 | 7 | 77.78 |