2017 Big 12 Conference Leaders Passing Defense - Games in August/September Only through 01/08/2018
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kansas State | 4 | 127 | 77 | 60.6 | 752 | 5.9 | 3 | 4 | 111.86 | 31.8 | 188.0 |
| 2 | Texas | 4 | 144 | 79 | 54.9 | 991 | 6.9 | 6 | 7 | 116.70 | 36.0 | 247.8 |
| 3 | Oklahoma State | 5 | 176 | 105 | 59.7 | 1168 | 6.6 | 4 | 5 | 117.22 | 35.2 | 233.6 |
| 4 | TCU | 4 | 117 | 56 | 47.9 | 916 | 7.8 | 5 | 6 | 117.46 | 29.3 | 229.0 |
| 5 | Oklahoma | 4 | 124 | 74 | 59.7 | 794 | 6.4 | 4 | 2 | 120.89 | 31.0 | 198.5 |
| 6 | West Virginia | 4 | 124 | 65 | 52.4 | 900 | 7.3 | 6 | 5 | 121.30 | 31.0 | 225.0 |
| 7 | Texas Tech | 4 | 167 | 109 | 65.3 | 1239 | 7.4 | 9 | 5 | 139.38 | 41.8 | 309.8 |
| 8 | Iowa State | 4 | 149 | 96 | 64.4 | 1056 | 7.1 | 11 | 6 | 140.27 | 37.3 | 264.0 |
| 9 | Baylor | 5 | 151 | 99 | 65.6 | 1188 | 7.9 | 9 | 1 | 150.00 | 30.2 | 237.6 |
| 10 | Kansas | 4 | 141 | 94 | 66.7 | 1238 | 8.8 | 12 | 2 | 165.67 | 35.3 | 309.5 |