2017 Big 12 Conference Leaders Fumbles Lost - Games in August/September Only through 01/08/2018
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Iowa State | 4 | 2 | 0 | 0.00 |
| 2 | Texas Tech | 4 | 6 | 1 | 16.67 |
| 3 | West Virginia | 4 | 6 | 2 | 33.33 |
| 3 | Baylor | 5 | 9 | 3 | 33.33 |
| 5 | TCU | 4 | 10 | 4 | 40.00 |
| 6 | Kansas State | 4 | 2 | 1 | 50.00 |
| 6 | Kansas | 4 | 4 | 2 | 50.00 |
| 8 | Texas | 4 | 7 | 4 | 57.14 |
| 9 | Oklahoma State | 5 | 5 | 4 | 80.00 |
| 10 | Oklahoma | 4 | 6 | 5 | 83.33 |