2019 Pac-12 Conference Leaders Fumbles Lost - Games vs. FBS Teams With Non-Winning Record Only through 01/13/2020
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Oregon State | 4 | 0 | 0 | 0 |
| 2 | California | 7 | 2 | 1 | 50.00 |
| 2 | Washington | 5 | 2 | 2 | 100.00 |
| 4 | UCLA | 5 | 3 | 0 | 0.00 |
| 4 | Arizona | 5 | 3 | 1 | 33.33 |
| 4 | Colorado | 6 | 3 | 1 | 33.33 |
| 4 | Utah | 6 | 3 | 2 | 66.67 |
| 8 | Oregon | 5 | 4 | 1 | 25.00 |
| 8 | Stanford | 6 | 4 | 3 | 75.00 |
| 10 | Washington State | 6 | 8 | 6 | 75.00 |
| 11 | USC | 5 | 9 | 5 | 55.56 |
| 12 | Arizona State | 6 | 10 | 5 | 50.00 |