2020 Big 12 Conference Leaders Passing - Games vs. Ranked Teams Only (AP Poll) through 01/11/2021
| Name | Team | Yr | Pos | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Spencer Rattler | Oklahoma | FR | QB | 4 | 128 | 84 | 65.6 | 1028 | 8.0 | 9 | 2 | 153.16 | 32.0 | 257.0 |
| 1 | Spencer Sanders | Okla St | SO | QB | 5 | 129 | 86 | 66.7 | 1060 | 8.2 | 9 | 4 | 152.51 | 25.8 | 212.0 |
| 3 | Charlie Brewer | Baylor | SR | QB | 3 | 132 | 82 | 62.1 | 814 | 6.2 | 6 | 4 | 122.86 | 44.0 | 271.3 |
| 4 | Alan Bowman | Texas Tech | SO | QB | 3 | 78 | 48 | 61.5 | 467 | 6.0 | 5 | 3 | 125.29 | 26.0 | 155.7 |
| 5 | Max Duggan | TCU | SO | QB | 3 | 84 | 61 | 72.6 | 748 | 8.9 | 4 | 1 | 160.75 | 28.0 | 249.3 |
| 5 | Brock Purdy | Iowa State | JR | QB | 5 | 164 | 100 | 61.0 | 1189 | 7.3 | 4 | 4 | 125.05 | 32.8 | 237.8 |
| 7 | Sam Ehlinger | Texas | SR | QB | 2 | 82 | 47 | 57.3 | 585 | 7.1 | 3 | 2 | 124.44 | 41.0 | 292.5 |
| 7 | Henry Colombi | Texas Tech | JR | QB | 2 | 40 | 25 | 62.5 | 342 | 8.6 | 3 | 2 | 149.07 | 20.0 | 171.0 |
| 7 | Miles Kendrick | Kansas | JR | QB | 3 | 31 | 20 | 64.5 | 194 | 6.3 | 3 | 1 | 142.57 | 10.3 | 64.7 |
| 10 | Will Howard | Kansas St | FR | QB | 2 | 36 | 19 | 52.8 | 206 | 5.7 | 2 | 3 | 102.50 | 18.0 | 103.0 |
| 11 | Skylar Thompson | Kansas St | SR | QB | 1 | 25 | 18 | 72.0 | 334 | 13.4 | 1 | 0 | 197.42 | 25.0 | 334.0 |
| 11 | Matthew Downing | TCU | SO | QB | 1 | 21 | 11 | 52.4 | 158 | 7.5 | 1 | 0 | 131.29 | 21.0 | 158.0 |
| 11 | Shane Illingworth | Okla St | FR | QB | 2 | 26 | 9 | 34.6 | 150 | 5.8 | 1 | 0 | 95.77 | 13.0 | 75.0 |