2023 Big Ten Conference Leaders Passing Defense - Games in August/September Only through 01/08/2024
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ohio State | 4 | 111 | 65 | 58.6 | 596 | 5.4 | 2 | 3 | 104.20 | 27.8 | 149.0 |
| 2 | Penn State | 5 | 136 | 69 | 50.7 | 682 | 5.0 | 1 | 6 | 86.48 | 27.2 | 136.4 |
| 3 | Michigan | 5 | 122 | 71 | 58.2 | 803 | 6.6 | 1 | 5 | 108.00 | 24.4 | 160.6 |
| 4 | Rutgers | 5 | 149 | 83 | 55.7 | 846 | 5.7 | 4 | 5 | 105.56 | 29.8 | 169.2 |
| 5 | Iowa | 5 | 194 | 113 | 58.2 | 913 | 4.7 | 7 | 5 | 104.54 | 38.8 | 182.6 |
| 6 | Northwestern | 5 | 132 | 84 | 63.6 | 969 | 7.3 | 6 | 3 | 135.75 | 26.4 | 193.8 |
| 7 | Wisconsin | 4 | 164 | 101 | 61.6 | 1030 | 6.3 | 5 | 7 | 115.86 | 41.0 | 257.5 |
| 8 | Maryland | 5 | 175 | 103 | 58.9 | 1059 | 6.1 | 5 | 8 | 109.98 | 35.0 | 211.8 |
| 8 | Indiana | 5 | 148 | 87 | 58.8 | 1059 | 7.2 | 6 | 6 | 124.15 | 29.6 | 211.8 |
| 10 | Michigan State | 5 | 157 | 95 | 60.5 | 1134 | 7.2 | 10 | 4 | 137.10 | 31.4 | 226.8 |
| 11 | Minnesota | 5 | 155 | 97 | 62.6 | 1171 | 7.6 | 9 | 8 | 134.88 | 31.0 | 234.2 |
| 12 | Nebraska | 5 | 189 | 116 | 61.4 | 1194 | 6.3 | 8 | 3 | 125.24 | 37.8 | 238.8 |
| 13 | Illinois | 5 | 178 | 104 | 58.4 | 1199 | 6.7 | 9 | 3 | 128.32 | 35.6 | 239.8 |
| 14 | Purdue | 5 | 173 | 100 | 57.8 | 1249 | 7.2 | 7 | 5 | 126.02 | 34.6 | 249.8 |