2012 Pac-12 Conference Leaders Fumbles Lost - Games vs. Ranked Teams Only (AP Poll) through 01/07/2013
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Arizona State | 2 | 1 | 0 | 0.00 |
| 1 | Oregon | 3 | 2 | 0 | 0.00 |
| 3 | Arizona | 3 | 4 | 1 | 25.00 |
| 4 | UCLA | 4 | 2 | 2 | 100.00 |
| 4 | Washington State | 3 | 4 | 2 | 50.00 |
| 4 | USC | 3 | 4 | 2 | 50.00 |
| 7 | Utah | 2 | 4 | 3 | 75.00 |
| 8 | Colorado | 2 | 5 | 4 | 80.00 |
| 8 | Washington | 5 | 7 | 4 | 57.14 |
| 8 | Oregon State | 3 | 7 | 4 | 57.14 |
| 8 | Stanford | 4 | 8 | 4 | 50.00 |
| 12 | California | 4 | 9 | 6 | 66.67 |