2021 Big 12 Conference Leaders Fumbles Lost - Games in August/September Only through 01/10/2022
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Oklahoma | 4 | 2 | 0 | 0.00 |
| 2 | TCU | 3 | 3 | 1 | 33.33 |
| 2 | Iowa State | 4 | 6 | 2 | 33.33 |
| 4 | Oklahoma State | 4 | 8 | 3 | 37.50 |
| 5 | West Virginia | 4 | 9 | 4 | 44.44 |
| 6 | Kansas | 4 | 2 | 1 | 50.00 |
| 6 | Texas | 4 | 2 | 1 | 50.00 |
| 6 | Baylor | 4 | 8 | 4 | 50.00 |
| 9 | Kansas State | 4 | 4 | 3 | 75.00 |
| 10 | Texas Tech | 4 | 5 | 4 | 80.00 |