2021 Big Ten Conference Leaders Turnover Margin - Games vs. Non-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 | Rutgers | 4 | 5 | 3 | 8 | 0 | 2 | 2 | 6 | 1.50 |
| 1 | Penn State | 4 | 1 | 5 | 6 | 0 | 4 | 4 | 2 | 0.50 |
| 1 | Purdue | 4 | 1 | 2 | 3 | 0 | 6 | 6 | -3 | -0.75 |
| 4 | Maryland | 4 | 4 | 3 | 7 | 1 | 1 | 2 | 5 | 1.25 |
| 4 | Iowa | 4 | 3 | 4 | 7 | 1 | 4 | 5 | 2 | 0.50 |
| 4 | Michigan | 4 | 1 | 1 | 2 | 1 | 2 | 3 | -1 | -0.25 |
| 4 | Indiana | 3 | 2 | 1 | 3 | 1 | 3 | 4 | -1 | -0.33 |
| 8 | Michigan State | 4 | 3 | 4 | 7 | 2 | 1 | 3 | 4 | 1.00 |
| 8 | Minnesota | 4 | 4 | 3 | 7 | 2 | 3 | 5 | 2 | 0.50 |
| 8 | Ohio State | 4 | 1 | 4 | 5 | 2 | 4 | 6 | -1 | -0.25 |
| 8 | Wisconsin | 4 | 2 | 2 | 4 | 2 | 6 | 8 | -4 | -1.00 |
| 12 | Illinois | 3 | 3 | 2 | 5 | 3 | 1 | 4 | 1 | 0.33 |
| 12 | Nebraska | 3 | 0 | 4 | 4 | 3 | 1 | 4 | 0 | 0.00 |
| 14 | Northwestern | 3 | 4 | 3 | 7 | 4 | 4 | 8 | -1 | -0.33 |