2025 Big Ten Conference Leaders Passing Defense - Games in August/September Only through 09/13/2025
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Nebraska | 3 | 66 | 33 | 50.0 | 198 | 3.0 | 0 | 1 | 72.17 | 22.0 | 66.0 |
| 2 | Indiana | 3 | 63 | 35 | 55.6 | 316 | 5.0 | 0 | 4 | 84.99 | 21.0 | 105.3 |
| 3 | Ohio State | 3 | 73 | 38 | 52.1 | 355 | 4.9 | 2 | 2 | 96.47 | 24.3 | 118.3 |
| 4 | Iowa | 3 | 75 | 44 | 58.7 | 361 | 4.8 | 2 | 0 | 107.90 | 25.0 | 120.3 |
| 5 | Penn State | 3 | 81 | 42 | 51.9 | 370 | 4.6 | 2 | 4 | 88.49 | 27.0 | 123.3 |
| 6 | Oregon | 3 | 72 | 41 | 56.9 | 400 | 5.6 | 0 | 4 | 92.50 | 24.0 | 133.3 |
| 7 | Minnesota | 3 | 74 | 45 | 60.8 | 409 | 5.5 | 4 | 2 | 119.67 | 24.7 | 136.3 |
| 8 | Northwestern | 3 | 85 | 49 | 57.6 | 459 | 5.4 | 3 | 2 | 109.95 | 28.3 | 153.0 |
| 9 | Washington | 2 | 61 | 31 | 50.8 | 322 | 5.3 | 2 | 2 | 99.42 | 30.5 | 161.0 |
| 10 | Michigan | 3 | 102 | 64 | 62.7 | 547 | 5.4 | 3 | 5 | 107.71 | 34.0 | 182.3 |
| 11 | UCLA | 3 | 64 | 48 | 75.0 | 561 | 8.8 | 7 | 0 | 184.73 | 21.3 | 187.0 |
| 12 | Purdue | 3 | 78 | 47 | 60.3 | 571 | 7.3 | 1 | 0 | 125.99 | 26.0 | 190.3 |
| 13 | Illinois | 3 | 92 | 52 | 56.5 | 581 | 6.3 | 2 | 1 | 114.57 | 30.7 | 193.7 |
| 14 | Rutgers | 3 | 77 | 44 | 57.1 | 582 | 7.6 | 3 | 2 | 128.30 | 25.7 | 194.0 |
| 15 | Maryland | 3 | 113 | 64 | 56.6 | 598 | 5.3 | 3 | 7 | 97.46 | 37.7 | 199.3 |
| 16 | Wisconsin | 3 | 80 | 54 | 67.5 | 673 | 8.4 | 5 | 3 | 151.30 | 26.7 | 224.3 |
| 17 | USC | 3 | 112 | 68 | 60.7 | 699 | 6.2 | 5 | 6 | 117.15 | 37.3 | 233.0 |
| 18 | Michigan State | 3 | 113 | 74 | 65.5 | 820 | 7.3 | 6 | 2 | 140.43 | 37.7 | 273.3 |