2025 Big Ten Conference Leaders Passing Defense - Games vs. Unranked Teams Only (AP Poll) through 12/13/2025
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Oregon | 10 | 248 | 121 | 48.8 | 1187 | 4.8 | 7 | 10 | 90.25 | 24.8 | 118.7 |
| 2 | Ohio State | 10 | 245 | 149 | 60.8 | 1223 | 5.0 | 4 | 5 | 104.06 | 24.5 | 122.3 |
| 2 | Iowa | 9 | 258 | 141 | 54.7 | 1299 | 5.0 | 4 | 9 | 95.08 | 28.7 | 144.3 |
| 4 | Washington | 10 | 363 | 206 | 56.7 | 2023 | 5.6 | 12 | 14 | 106.76 | 36.3 | 202.3 |
| 5 | Wisconsin | 7 | 200 | 125 | 62.5 | 1137 | 5.7 | 5 | 5 | 113.50 | 28.6 | 162.4 |
| 6 | Indiana | 11 | 318 | 192 | 60.4 | 1884 | 5.9 | 5 | 14 | 106.53 | 28.9 | 171.3 |
| 6 | Michigan | 9 | 300 | 185 | 61.7 | 1759 | 5.9 | 9 | 10 | 114.15 | 33.3 | 195.4 |
| 8 | Illinois | 9 | 318 | 189 | 59.4 | 1921 | 6.0 | 10 | 5 | 117.41 | 35.3 | 213.4 |
| 9 | Nebraska | 10 | 237 | 143 | 60.3 | 1453 | 6.1 | 7 | 5 | 117.37 | 23.7 | 145.3 |
| 9 | Penn State | 9 | 233 | 140 | 60.1 | 1420 | 6.1 | 8 | 5 | 118.32 | 25.9 | 157.8 |
| 11 | USC | 9 | 272 | 177 | 65.1 | 1840 | 6.8 | 16 | 7 | 136.16 | 30.2 | 204.4 |
| 11 | Maryland | 10 | 337 | 210 | 62.3 | 2282 | 6.8 | 21 | 18 | 129.08 | 33.7 | 228.2 |
| 13 | UCLA | 8 | 208 | 128 | 61.5 | 1465 | 7.0 | 15 | 2 | 142.58 | 26.0 | 183.1 |
| 13 | Minnesota | 10 | 281 | 179 | 63.7 | 1977 | 7.0 | 11 | 8 | 130.03 | 28.1 | 197.7 |
| 15 | Northwestern | 8 | 197 | 119 | 60.4 | 1400 | 7.1 | 8 | 4 | 129.45 | 24.6 | 175.0 |
| 16 | Michigan State | 9 | 296 | 190 | 64.2 | 2124 | 7.2 | 16 | 5 | 138.93 | 32.9 | 236.0 |
| 17 | Rutgers | 10 | 266 | 172 | 64.7 | 2164 | 8.1 | 17 | 4 | 151.07 | 26.6 | 216.4 |
| 18 | Purdue | 7 | 192 | 118 | 61.5 | 1696 | 8.8 | 9 | 2 | 149.05 | 27.4 | 242.3 |