2025 Big 12 Conference Leaders Fumbles Lost - Games vs. Non-Conference Teams Only through 01/09/2026
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Oklahoma State | 3 | 0 | 0 | 0 |
| 1 | Arizona | 3 | 1 | 0 | 0.00 |
| 1 | Houston | 4 | 2 | 0 | 0.00 |
| 1 | TCU | 4 | 2 | 0 | 0.00 |
| 5 | Colorado | 3 | 1 | 1 | 100.00 |
| 5 | Kansas State | 2 | 2 | 1 | 50.00 |
| 5 | Iowa State | 3 | 3 | 1 | 33.33 |
| 5 | UCF | 3 | 4 | 1 | 25.00 |
| 5 | Kansas | 3 | 4 | 1 | 25.00 |
| 5 | Utah | 4 | 4 | 1 | 25.00 |
| 11 | Baylor | 3 | 2 | 2 | 100.00 |
| 11 | Arizona State | 4 | 3 | 2 | 66.67 |
| 11 | BYU | 4 | 3 | 2 | 66.67 |
| 14 | Texas Tech | 4 | 5 | 3 | 60.00 |
| 14 | Cincinnati | 4 | 6 | 3 | 50.00 |
| 16 | West Virginia | 3 | 6 | 4 | 66.67 |