2017 Big 12 Conference Leaders Fumbles Lost - Games vs. Unranked Teams Only (AP Poll) through 01/08/2018
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Iowa State | 9 | 6 | 0 | 0.00 |
| 1 | Kansas State | 10 | 6 | 2 | 33.33 |
| 3 | Oklahoma | 9 | 8 | 5 | 62.50 |
| 4 | Texas | 9 | 11 | 5 | 45.45 |
| 5 | Texas Tech | 9 | 12 | 5 | 41.67 |
| 5 | West Virginia | 9 | 12 | 8 | 66.67 |
| 7 | Baylor | 9 | 15 | 8 | 53.33 |
| 7 | Kansas | 9 | 15 | 8 | 53.33 |
| 9 | Oklahoma State | 10 | 16 | 9 | 56.25 |
| 10 | TCU | 10 | 22 | 7 | 31.82 |