2012 Big 12 Conference Leaders Fumbles Lost - Games vs. Ranked Teams Only (AP Poll) through 01/07/2013
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Iowa State | 3 | 0 | 0 | 0 |
| 1 | Kansas State | 3 | 1 | 0 | 0.00 |
| 3 | Oklahoma State | 3 | 3 | 1 | 33.33 |
| 3 | Baylor | 3 | 4 | 1 | 25.00 |
| 5 | TCU | 3 | 3 | 2 | 66.67 |
| 5 | West Virginia | 3 | 3 | 2 | 66.67 |
| 5 | Texas Tech | 3 | 3 | 2 | 66.67 |
| 5 | Texas | 3 | 4 | 2 | 50.00 |
| 5 | Oklahoma | 4 | 5 | 2 | 40.00 |
| 10 | Kansas | 4 | 7 | 4 | 57.14 |