2021 Big Ten Conference Leaders Turnover Margin - Games vs. Conference Teams Only through 01/10/2022
| Name | G | Fum. Gain | Int. Gain | Total Gain | Fum. Lost | Int. Lost | Total Lost | Margin | Margin/G | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ohio State | 9 | 7 | 8 | 15 | 1 | 4 | 5 | 10 | 1.11 |
| 2 | Illinois | 9 | 5 | 7 | 12 | 3 | 5 | 8 | 4 | 0.44 |
| 2 | Minnesota | 9 | 4 | 5 | 9 | 2 | 6 | 8 | 1 | 0.11 |
| 4 | Penn State | 9 | 6 | 9 | 15 | 5 | 6 | 11 | 4 | 0.44 |
| 4 | Michigan | 10 | 7 | 7 | 14 | 4 | 7 | 11 | 3 | 0.30 |
| 6 | Rutgers | 9 | 5 | 4 | 9 | 4 | 8 | 12 | -3 | -0.33 |
| 7 | Purdue | 9 | 3 | 11 | 14 | 7 | 6 | 13 | 1 | 0.11 |
| 8 | Iowa | 10 | 3 | 21 | 24 | 7 | 7 | 14 | 10 | 1.00 |
| 8 | Michigan State | 9 | 7 | 6 | 13 | 5 | 9 | 14 | -1 | -0.11 |
| 8 | Northwestern | 9 | 6 | 3 | 9 | 4 | 10 | 14 | -5 | -0.56 |
| 8 | Nebraska | 9 | 3 | 6 | 9 | 4 | 10 | 14 | -5 | -0.56 |
| 12 | Wisconsin | 9 | 6 | 14 | 20 | 8 | 7 | 15 | 5 | 0.56 |
| 13 | Maryland | 9 | 1 | 3 | 4 | 5 | 11 | 16 | -12 | -1.33 |
| 14 | Indiana | 9 | 2 | 4 | 6 | 6 | 12 | 18 | -12 | -1.33 |