2025 Big 12 Conference Leaders Fumbles Lost - Games vs. FBS Teams With Winning Record Only through 12/06/2025
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Arizona | 6 | 2 | 1 | 50.00 |
| 1 | Houston | 4 | 2 | 1 | 50.00 |
| 3 | Texas Tech | 5 | 5 | 1 | 20.00 |
| 3 | Iowa State | 6 | 5 | 2 | 40.00 |
| 5 | Cincinnati | 6 | 6 | 6 | 100.00 |
| 6 | West Virginia | 8 | 7 | 0 | 0.00 |
| 6 | TCU | 6 | 7 | 3 | 42.86 |
| 6 | Utah | 4 | 7 | 4 | 57.14 |
| 9 | Kansas State | 6 | 8 | 6 | 75.00 |
| 10 | Colorado | 8 | 9 | 4 | 44.44 |
| 10 | BYU | 8 | 9 | 5 | 55.56 |
| 12 | Baylor | 7 | 10 | 9 | 90.00 |
| 13 | Kansas | 7 | 11 | 2 | 18.18 |
| 14 | Arizona State | 6 | 12 | 6 | 50.00 |
| 15 | UCF | 5 | 13 | 4 | 30.77 |
| 16 | Oklahoma State | 6 | 15 | 5 | 33.33 |