2025 Big Ten Conference Leaders Opponent Penalties - Games Lost Only through 10/04/2025
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Michigan State | 2 | 17 | 126 | 8.5 | 63.0 |
| 2 | Maryland | 1 | 7 | 64 | 7.0 | 64.0 |
| 3 | Minnesota | 2 | 12 | 94 | 6.0 | 47.0 |
| 4 | UCLA | 4 | 22 | 194 | 5.5 | 48.5 |
| 5 | Purdue | 3 | 16 | 164 | 5.3 | 54.7 |
| 6 | Washington | 1 | 5 | 60 | 5.0 | 60.0 |
| 6 | Michigan | 1 | 5 | 48 | 5.0 | 48.0 |
| 6 | USC | 1 | 5 | 42 | 5.0 | 42.0 |
| 9 | Iowa | 2 | 9 | 72 | 4.5 | 36.0 |
| 9 | Penn State | 2 | 9 | 69 | 4.5 | 34.5 |
| 11 | Wisconsin | 3 | 12 | 117 | 4.0 | 39.0 |
| 11 | Nebraska | 1 | 4 | 39 | 4.0 | 39.0 |
| 13 | Rutgers | 2 | 5 | 60 | 2.5 | 30.0 |
| 13 | Northwestern | 2 | 5 | 55 | 2.5 | 27.5 |
| 15 | Illinois | 1 | 2 | 10 | 2.0 | 10.0 |