2025 Big Ten Conference Leaders Passing Defense - Games in August/September Only through 10/29/2025
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | UCLA | 4 | 82 | 60 | 73.2 | 676 | 8.2 | 8 | 0 | 174.61 | 20.5 | 169.0 |
| 2 | Nebraska | 4 | 89 | 45 | 50.6 | 303 | 3.4 | 0 | 1 | 76.90 | 22.3 | 75.8 |
| 3 | Oregon | 5 | 119 | 62 | 52.1 | 617 | 5.2 | 2 | 5 | 92.80 | 23.8 | 123.4 |
| 4 | Ohio State | 4 | 96 | 56 | 58.3 | 528 | 5.5 | 2 | 2 | 107.23 | 24.0 | 132.0 |
| 5 | Purdue | 4 | 98 | 64 | 65.3 | 852 | 8.7 | 3 | 0 | 148.44 | 24.5 | 213.0 |
| 6 | Indiana | 5 | 126 | 75 | 59.5 | 667 | 5.3 | 1 | 7 | 95.50 | 25.2 | 133.4 |
| 7 | Minnesota | 4 | 108 | 66 | 61.1 | 658 | 6.1 | 6 | 3 | 125.06 | 27.0 | 164.5 |
| 8 | Rutgers | 5 | 136 | 87 | 64.0 | 1092 | 8.0 | 6 | 2 | 143.03 | 27.2 | 218.4 |
| 9 | Iowa | 5 | 138 | 81 | 58.7 | 924 | 6.7 | 4 | 2 | 121.62 | 27.6 | 184.8 |
| 10 | Northwestern | 4 | 113 | 68 | 60.2 | 639 | 5.7 | 4 | 2 | 115.82 | 28.3 | 159.8 |
| 11 | Wisconsin | 4 | 114 | 72 | 63.2 | 938 | 8.2 | 7 | 3 | 147.28 | 28.5 | 234.5 |
| 12 | Penn State | 4 | 120 | 71 | 59.2 | 618 | 5.2 | 5 | 4 | 109.51 | 30.0 | 154.5 |
| 13 | Washington | 4 | 126 | 79 | 62.7 | 809 | 6.4 | 6 | 4 | 126.00 | 31.5 | 202.3 |
| 14 | Illinois | 5 | 158 | 103 | 65.2 | 1212 | 7.7 | 9 | 2 | 145.90 | 31.6 | 242.4 |
| 15 | USC | 5 | 162 | 102 | 63.0 | 1255 | 7.7 | 11 | 6 | 143.03 | 32.4 | 251.0 |
| 16 | Michigan State | 4 | 139 | 94 | 67.6 | 1054 | 7.6 | 9 | 2 | 149.82 | 34.8 | 263.5 |
| 17 | Michigan | 4 | 143 | 94 | 65.7 | 855 | 6.0 | 6 | 6 | 121.41 | 35.8 | 213.8 |
| 18 | Maryland | 4 | 148 | 86 | 58.1 | 833 | 5.6 | 4 | 8 | 103.50 | 37.0 | 208.3 |