2017 Big 12 Conference Leaders Fumbles Lost - Games vs. Ranked Teams Only (AP Poll) through 01/08/2018
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Iowa State | 4 | 2 | 1 | 50.00 |
| 1 | Texas Tech | 4 | 2 | 1 | 50.00 |
| 1 | Kansas | 3 | 3 | 1 | 33.33 |
| 4 | Oklahoma State | 3 | 2 | 2 | 100.00 |
| 4 | Oklahoma | 5 | 5 | 2 | 40.00 |
| 4 | TCU | 4 | 5 | 2 | 40.00 |
| 4 | Texas | 4 | 8 | 2 | 25.00 |
| 8 | Kansas State | 3 | 4 | 3 | 75.00 |
| 8 | Baylor | 3 | 6 | 3 | 50.00 |
| 10 | West Virginia | 4 | 10 | 4 | 40.00 |