2017 Big 12 Conference Leaders Fumbles Lost - Games vs. Conference Teams Only through 01/08/2018
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Iowa State | 9 | 4 | 0 | 0.00 |
| 2 | Oklahoma | 10 | 9 | 3 | 33.33 |
| 3 | Texas | 9 | 14 | 4 | 28.57 |
| 3 | TCU | 10 | 19 | 4 | 21.05 |
| 5 | Texas Tech | 9 | 8 | 5 | 62.50 |
| 5 | Kansas State | 9 | 9 | 5 | 55.56 |
| 7 | Oklahoma State | 9 | 14 | 8 | 57.14 |
| 7 | Kansas | 9 | 15 | 8 | 53.33 |
| 7 | West Virginia | 9 | 15 | 8 | 53.33 |
| 10 | Baylor | 9 | 16 | 10 | 62.50 |