2025 Big 12 Conference Leaders Fumbles Lost - Games vs. FBS Power 5 Conference Teams Only through 09/12/2025
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Arizona State | 1 | 0 | 0 | 0 |
| 1 | Oklahoma State | 1 | 0 | 0 | 0 |
| 1 | TCU | 1 | 0 | 0 | 0 |
| 4 | BYU | 1 | 1 | 0 | 0.00 |
| 4 | Houston | 1 | 1 | 0 | 0.00 |
| 4 | Colorado | 2 | 2 | 0 | 0.00 |
| 4 | Kansas | 1 | 2 | 0 | 0.00 |
| 4 | Utah | 1 | 2 | 0 | 0.00 |
| 9 | Iowa State | 2 | 4 | 3 | 75.00 |
| 10 | Arizona | 1 | 1 | 1 | 100.00 |
| 10 | Cincinnati | 1 | 1 | 1 | 100.00 |
| 10 | Baylor | 2 | 2 | 2 | 100.00 |
| 10 | Kansas State | 2 | 3 | 3 | 100.00 |