2025 Big Ten Conference Leaders Opponent Penalties - Games in December/January Only through 12/31/2025
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Oregon | 1 | 13 | 113 | 13.0 | 113.0 |
| 2 | Michigan | 1 | 12 | 103 | 12.0 | 103.0 |
| 3 | USC | 1 | 10 | 81 | 10.0 | 81.0 |
| 3 | Iowa | 1 | 10 | 53 | 10.0 | 53.0 |
| 5 | Minnesota | 1 | 6 | 50 | 6.0 | 50.0 |
| 5 | Washington | 1 | 6 | 30 | 6.0 | 30.0 |
| 7 | Northwestern | 1 | 5 | 46 | 5.0 | 46.0 |
| 7 | Ohio State | 2 | 5 | 49 | 2.5 | 24.5 |
| 9 | Illinois | 1 | 4 | 46 | 4.0 | 46.0 |
| 9 | Nebraska | 1 | 4 | 25 | 4.0 | 25.0 |
| 11 | Indiana | 1 | 2 | 20 | 2.0 | 20.0 |
| 12 | Penn State | 1 | 1 | 5 | 1.0 | 5.0 |