2019 Pac-12 Conference Leaders Fumbles Lost - Games in October Only through 01/13/2020
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Colorado | 4 | 0 | 0 | 0 |
| 2 | Washington State | 3 | 1 | 0 | 0.00 |
| 3 | Stanford | 3 | 2 | 1 | 50.00 |
| 3 | Washington | 3 | 2 | 1 | 50.00 |
| 5 | Oregon State | 3 | 3 | 0 | 0.00 |
| 6 | California | 3 | 4 | 0 | 0.00 |
| 6 | Oregon | 4 | 4 | 2 | 50.00 |
| 8 | USC | 3 | 5 | 1 | 20.00 |
| 8 | Arizona State | 3 | 5 | 2 | 40.00 |
| 8 | UCLA | 3 | 5 | 3 | 60.00 |
| 11 | Utah | 3 | 6 | 4 | 66.67 |
| 12 | Arizona | 4 | 7 | 5 | 71.43 |