2021 Big Ten Conference Leaders Turnover Margin - Games vs. Unranked Teams Only (AP Poll) through 01/10/2022
| Name | G | Fum. Gain | Int. Gain | Total Gain | Fum. Lost | Int. Lost | Total Lost | Margin | Margin/G | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Penn State | 8 | 5 | 10 | 15 | 0 | 3 | 3 | 12 | 1.50 |
| 2 | Michigan | 10 | 8 | 5 | 13 | 3 | 3 | 6 | 7 | 0.70 |
| 3 | Ohio State | 9 | 6 | 11 | 17 | 2 | 5 | 7 | 10 | 1.11 |
| 3 | Rutgers | 9 | 9 | 6 | 15 | 2 | 5 | 7 | 8 | 0.89 |
| 3 | Maryland | 9 | 4 | 5 | 9 | 5 | 2 | 7 | 2 | 0.22 |
| 6 | Illinois | 11 | 8 | 8 | 16 | 6 | 4 | 10 | 6 | 0.55 |
| 6 | Nebraska | 7 | 2 | 6 | 8 | 4 | 6 | 10 | -2 | -0.29 |
| 8 | Minnesota | 11 | 7 | 7 | 14 | 2 | 9 | 11 | 3 | 0.27 |
| 8 | Indiana | 7 | 1 | 1 | 2 | 4 | 7 | 11 | -9 | -1.29 |
| 10 | Michigan State | 10 | 9 | 7 | 16 | 5 | 7 | 12 | 4 | 0.40 |
| 11 | Purdue | 9 | 3 | 8 | 11 | 3 | 10 | 13 | -2 | -0.22 |
| 12 | Iowa | 12 | 6 | 22 | 28 | 8 | 7 | 15 | 13 | 1.08 |
| 12 | Wisconsin | 10 | 4 | 15 | 19 | 7 | 8 | 15 | 4 | 0.40 |
| 14 | Northwestern | 9 | 7 | 6 | 13 | 7 | 10 | 17 | -4 | -0.44 |