

Jett Duffey is a Dual-Threat QB for Texas Tech. Jett's 2019 season ranks in the 0th percentile nationally by opponent-adjusted EPA per play across 408 plays — a developing rate for the QB.
A genuine rushing threat who stresses defenses horizontally. Extends plays with legs and forces extra gap assignments.
| Wk | Opponent | Result | Opp SP+ | C/ATT | Pass Yds | Pass TD | INT | QBR | Rush Yds | Rush TD | EPA/play |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | vsUTEP | W38-3 | -25.6 | 1/1 | 4 | 0 | 0 | 76.6 | — | — | -0.08 |
| 5 | @Oklahoma | L16-55 | 22.9 | 11/20 | 120 | 0 | 0 | 12.3 | 16 | 0 | -0.07 |
| 6 | vsOklahoma State | W45-35 | 8.7 | 26/44 |
Usage = share of team plays (CFBD has no true snap counts).
C/ATT 36/58 · Pass Yds 399 · Pass TD 2 · INT 0
| 424 |
| 4 |
| 0 |
| 78.4 |
| 16 |
| 1 |
| 0.50 |
| 7 | @Baylor | L30-33 | 17.8 | 31/42 | 362 | 1 | 2 | 53.1 | -3 | 0 | 0.15 |
| 8 | vsIowa State | L24-34 | 12.6 | 40/52 | 239 | 1 | 0 | 51.9 | 24 | 0 | 0.02 |
| 9 | @Kansas | L34-37 | -9.8 | 23/34 | 271 | 3 | 0 | 89.7 | 40 | 0 | 0.46 |
| 11 | @West Virginia | W38-17 | -7.0 | 24/34 | 354 | 1 | 0 | — | 34 | 0 | 0.27 |
| 12 | vsTCU | L31-33 | 6.7 | 19/33 | 333 | 4 | 1 | — | 42 | 0 | 0.49 |
| 13 | vsKansas State | L27-30 | 6.0 | 28/49 | 334 | 2 | 2 | — | 57 | 0 | 0.14 |
| 14 | @Texas | L24-49 | 12.0 | 36/58 | 399 | 2 | 0 | — | -14 | 0 | 0.14 |