2025 Big 12 Conference Leaders Fumbles Lost - Games Won Only through 01/09/2026
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Oklahoma State | 1 | 0 | 0 | 0 |
| 2 | UCF | 5 | 8 | 1 | 12.50 |
| 2 | Houston | 10 | 8 | 1 | 12.50 |
| 4 | Kansas | 5 | 5 | 1 | 20.00 |
| 5 | TCU | 9 | 8 | 2 | 25.00 |
| 6 | Kansas State | 6 | 7 | 2 | 28.57 |
| 7 | Cincinnati | 7 | 6 | 2 | 33.33 |
| 7 | Utah | 11 | 12 | 4 | 33.33 |
| 9 | Texas Tech | 12 | 14 | 6 | 42.86 |
| 10 | BYU | 12 | 11 | 5 | 45.45 |
| 11 | Arizona | 9 | 10 | 5 | 50.00 |
| 11 | Arizona State | 8 | 14 | 7 | 50.00 |
| 13 | Iowa State | 8 | 7 | 4 | 57.14 |
| 14 | West Virginia | 4 | 8 | 5 | 62.50 |
| 15 | Baylor | 5 | 6 | 5 | 83.33 |
| 16 | Colorado | 3 | 1 | 1 | 100.00 |