2018 Big Ten Conference Leaders Turnover Margin - Games vs. FBS Power 5 Conference Teams Only through 01/07/2019
| Name | G | Fum. Gain | Int. Gain | Total Gain | Fum. Lost | Int. Lost | Total Lost | Margin | Margin/G | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Northwestern | 12 | 12 | 12 | 24 | 2 | 14 | 16 | 8 | 0.67 |
| 1 | Michigan | 10 | 6 | 8 | 14 | 2 | 7 | 9 | 5 | 0.50 |
| 3 | Purdue | 12 | 3 | 10 | 13 | 4 | 13 | 17 | -4 | -0.33 |
| 4 | Rutgers | 10 | 4 | 6 | 10 | 6 | 19 | 25 | -15 | -1.50 |
| 5 | Iowa | 11 | 5 | 18 | 23 | 7 | 8 | 15 | 8 | 0.73 |
| 5 | Indiana | 10 | 11 | 11 | 22 | 7 | 12 | 19 | 3 | 0.30 |
| 5 | Michigan State | 11 | 9 | 10 | 19 | 7 | 12 | 19 | 0 | 0.00 |
| 8 | Maryland | 10 | 5 | 16 | 21 | 8 | 3 | 11 | 10 | 1.00 |
| 8 | Wisconsin | 10 | 9 | 11 | 20 | 8 | 12 | 20 | 0 | 0.00 |
| 8 | Minnesota | 10 | 8 | 7 | 15 | 8 | 13 | 21 | -6 | -0.60 |
| 8 | Illinois | 9 | 4 | 9 | 13 | 8 | 14 | 22 | -9 | -1.00 |
| 12 | Ohio State | 13 | 12 | 11 | 23 | 9 | 8 | 17 | 6 | 0.46 |
| 13 | Nebraska | 10 | 7 | 8 | 15 | 10 | 7 | 17 | -2 | -0.20 |
| 14 | Penn State | 11 | 7 | 12 | 19 | 13 | 7 | 20 | -1 | -0.09 |