2012 Big 12 Conference Leaders Passing Defense - Games in October Only through 01/07/2013
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Oklahoma | 4 | 133 | 71 | 53.4 | 798 | 6.0 | 2 | 7 | 98.21 | 33.3 | 199.5 |
| 2 | Kansas | 4 | 100 | 60 | 60.0 | 828 | 8.3 | 7 | 3 | 146.65 | 25.0 | 207.0 |
| 3 | Kansas State | 4 | 153 | 93 | 60.8 | 865 | 5.7 | 6 | 7 | 112.06 | 38.3 | 216.3 |
| 4 | Oklahoma State | 3 | 124 | 62 | 50.0 | 674 | 5.4 | 3 | 3 | 98.79 | 41.3 | 224.7 |
| 5 | Texas | 4 | 124 | 80 | 64.5 | 993 | 8.0 | 8 | 2 | 149.85 | 31.0 | 248.3 |
| 6 | Texas Tech | 4 | 169 | 99 | 58.6 | 1099 | 6.5 | 9 | 2 | 128.41 | 42.3 | 274.8 |
| 7 | TCU | 4 | 120 | 76 | 63.3 | 1166 | 9.7 | 14 | 6 | 173.45 | 30.0 | 291.5 |
| 8 | Baylor | 3 | 115 | 77 | 67.0 | 916 | 8.0 | 10 | 1 | 160.83 | 38.3 | 305.3 |
| 9 | Iowa State | 4 | 162 | 102 | 63.0 | 1298 | 8.0 | 4 | 4 | 133.47 | 40.5 | 324.5 |
| 10 | West Virginia | 3 | 95 | 75 | 78.9 | 1110 | 11.7 | 10 | 1 | 209.73 | 31.7 | 370.0 |