2025 Big Ten Conference Leaders Passing Defense - Games vs. Ranked Teams Only (AP Poll) through 10/04/2025
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Nebraska | 1 | 23 | 12 | 52.2 | 105 | 4.6 | 0 | 0 | 90.52 | 23.0 | 105.0 |
| 2 | Indiana | 1 | 25 | 16 | 64.0 | 159 | 6.4 | 1 | 1 | 122.62 | 25.0 | 159.0 |
| 2 | Penn State | 1 | 39 | 29 | 74.4 | 248 | 6.4 | 3 | 0 | 153.16 | 39.0 | 248.0 |
| 4 | Iowa | 2 | 50 | 31 | 62.0 | 367 | 7.3 | 3 | 1 | 139.46 | 25.0 | 183.5 |
| 5 | Washington | 1 | 28 | 22 | 78.6 | 208 | 7.4 | 2 | 0 | 164.54 | 28.0 | 208.0 |
| 6 | Northwestern | 1 | 26 | 19 | 73.1 | 197 | 7.6 | 1 | 1 | 141.73 | 26.0 | 197.0 |
| 7 | Michigan | 1 | 34 | 21 | 61.8 | 270 | 7.9 | 1 | 1 | 132.30 | 34.0 | 270.0 |
| 8 | Wisconsin | 2 | 58 | 43 | 74.1 | 652 | 11.2 | 5 | 0 | 197.01 | 29.0 | 326.0 |
| 9 | Illinois | 1 | 23 | 21 | 91.3 | 267 | 11.6 | 5 | 0 | 260.56 | 23.0 | 267.0 |
| 10 | Minnesota | 1 | 28 | 24 | 85.7 | 341 | 12.2 | 3 | 0 | 223.37 | 28.0 | 341.0 |
| 11 | USC | 1 | 27 | 21 | 77.8 | 331 | 12.3 | 3 | 0 | 217.43 | 27.0 | 331.0 |
| 12 | Purdue | 2 | 42 | 36 | 85.7 | 671 | 16.0 | 3 | 0 | 243.48 | 21.0 | 335.5 |