2011 Pac-12 Conference Leaders Fumbles Lost - Games vs. FBS (I-A) Teams Only through 01/09/2012
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Arizona | 11 | 14 | 6 | 42.86 |
| 2 | Stanford | 13 | 13 | 7 | 53.85 |
| 3 | Colorado | 13 | 18 | 8 | 44.44 |
| 4 | Washington | 12 | 12 | 9 | 75.00 |
| 4 | Arizona State | 12 | 19 | 9 | 47.37 |
| 4 | Washington State | 11 | 22 | 9 | 40.91 |
| 7 | USC | 12 | 18 | 11 | 61.11 |
| 7 | Oregon State | 11 | 25 | 11 | 44.00 |
| 9 | California | 12 | 28 | 12 | 42.86 |
| 10 | Oregon | 13 | 22 | 13 | 59.09 |
| 10 | Utah | 12 | 25 | 13 | 52.00 |
| 12 | UCLA | 14 | 32 | 17 | 53.13 |