Byron Leftwich is a career quality starter — a quarterback whose body of work places Leftwich in the top half of all players at the position historically. The Knox model values sustained contribution over flash, and Leftwich's career arc reflects exactly that kind of reliable professional-grade performance.
The full season-by-season grids, joined on one timeline. Every selected stat family stays visible at once—no tab hopping. Switch to Combined to fold the selected families into unified totals—yards from scrimmage, total TDs, touches.
| Season | Age | Team | G | GS | Passing | Rushing | Receiving | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cmp | Att | Cmp% | Yds | TD | Int | TD% | Int% | Y/A | AdjY/A | TD:INT | Rate | Sk | Att | Yds | TD | Y/A | TD% | 1D | 1D% | Fmb | Tgt | Rec | Yds | TD | Ctch% | Y/R | Y/Tgt | AirYd/T | 1D | |||||
| 2003 | 23–24 | JAX | 15 | — | 239 | 419 | 57.0% | 2,819 | 14 | 17 | 3.3 | 4.1 | 6.7 | 5.6 | 0.8 | 71.9 | 18 | 25 | 108 | 2 | 4.3 | 8.0 | 10 | 40.0 | 2 | — | — | — | — | — | — | — | — | — |
| 2004 | 24–25 | JAX | 14 | — | 267 | 441 | 60.5% | 2,941 | 15 | 10 | 3.4 | 2.3 | 6.7 | 6.3 | 1.5 | 82.2 | 25 | 39 | 148 | 2 | 3.8 | 5.1 | 7 | 17.9 | 0 | 1 | 1 | -7 | 0 | 100.0% | -7.0 | -7.0 | — | 0 |
| 2005 | 25–26 | JAX | 11 | — | 175 | 302 | 57.9% | 2,123 | 15 | 5 | 5.0 | 1.7 | 7.0 | 7.3 | 3.0 | 89.3 | 23 | 31 | 67 | 2 | 2.2 | 6.5 | 7 | 22.6 | 0 | — | — | — | — | — | — | — | — | — |
| 2006 | 26–27 | JAX | 6 | — | 109 | 184 | 59.2% | 1,158 | 7 | 5 | 3.8 | 2.7 | 6.3 | 5.8 | 1.4 | 79.0 | 9 | 25 | 41 | 2 | 1.6 | 8.0 | 5 | 20.0 | 0 | — | — | — | — | — | — | — | — | — |
| 2007 | 27–28 | ATL | 3 | — | 32 | 59 | 54.2% | 279 | 1 | 3 | 1.7 | 5.1 | 4.7 | 2.8 | 0.3 | 51.4 | 5 | 6 | 7 | 0 | 1.2 | 0.0 | 1 | 16.7 | 0 | — | — | — | — | — | — | — | — | — |
| 2008 | 28–29 | PIT | 5 | — | 21 | 36 | 58.3% | 303 | 2 | 0 | 5.6 | 0.0 | 8.4 | 9.5 | — | 104.3 | 3 | 4 | 7 | 1 | 1.8 | 25.0 | 1 | 25.0 | 0 | — | — | — | — | — | — | — | — | — |
| 2009 | 29–30 | TB | 3 | — | 58 | 107 | 54.2% | 594 | 4 | 3 | 3.7 | 2.8 | 5.6 | 5.0 | 1.3 | 71.2 | 2 | 6 | 6 | 0 | 1.0 | 0.0 | 1 | 16.7 | 0 | — | — | — | — | — | — | — | — | — |
| 2010 | 30–31 | PIT | 1 | — | 5 | 7 | 71.4% | 42 | 0 | 0 | 0.0 | 0.0 | 6.0 | 6.0 | — | 86.6 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2012 | 32–33 | PIT | 2 | — | 25 | 53 | 47.2% | 272 | 0 | 1 | 0.0 | 1.9 | 5.1 | 4.3 | 0.0 | 54.9 | 3 | 1 | 31 | 1 | 31.0 | 100.0 | 1 | 100.0 | 0 | — | — | — | — | — | — | — | — | — |
| Career | — | 60 | — | 931 | 1,608 | 57.9% | 10,531 | 58 | 44 | 3.6 | 2.7 | 6.5 | 6.0 | 1.3 | 78.2 | 90 | 137 | 415 | 10 | 3.0 | 7.3 | 33 | 24.1 | 2 | 1 | 1 | -7 | 0 | 100.0% | -7.0 | -7.0 | — | 0 | |
Career Value · VORP
55 career value over replacement — #1932 all-time of 4,649. 11/season above a replacement-level QB.
Pick #7 (Rd 1) · JAX · 2003 · -11.4 vs expected KV-H
Fan Rating
Rate Byron Leftwich — All-Time
Explore More
Similar Players
| Season | Age | Team | G | GS | Cmp | Att | Cmp% | Yds | TD | Int | TD% | Int% | Y/A | AdjY/A | TD:INT | Rate | Sk | VAL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2003 | 23–24 | JAX | 15 | — | 239 | 419 | 57.0% | 2,819 | 14 | 17 | 3.3 | 4.1 | 6.7 | 5.6 | 0.8 | 71.9 | 18 | 10.2 |
| 2004 | 24–25 | JAX | 14 | — | 267 | 441 | 60.5% | 2,941 | 15 | 10 | 3.4 | 2.3 | 6.7 | 6.3 | 1.5 | 82.2 | 25 | 12.4 |
| 2005 | 25–26 | JAX | 11 | — | 175 | 302 | 57.9% | 2,123 | 15 | 5 | 5.0 | 1.7 | 7.0 | 7.3 | 3.0 | 89.3 | 23 | 11.2 |
| 2006 | 26–27 | JAX | 6 | — | 109 | 184 | 59.2% | 1,158 | 7 | 5 | 3.8 | 2.7 | 6.3 | 5.8 | 1.4 | 79.0 | 9 | 5.2 |
| 2007 | 27–28 | ATL | 3 | — | 32 | 59 | 54.2% | 279 | 1 | 3 | 1.7 | 5.1 | 4.7 | 2.8 | 0.3 | 51.4 | 5 | — |
| 2008 | 28–29 | PIT | 5 | — | 21 | 36 | 58.3% | 303 | 2 | 0 | 5.6 | 0.0 | 8.4 | 9.5 | — | 104.3 | 3 | 3.2 |
| 2009 | 29–30 | TB | 3 | — | 58 | 107 | 54.2% | 594 | 4 | 3 | 3.7 | 2.8 | 5.6 | 5.0 | 1.3 | 71.2 | 2 | — |
| 2010 | 30–31 | PIT | 1 | — | 5 | 7 | 71.4% | 42 | 0 | 0 | 0.0 | 0.0 | 6.0 | 6.0 | — | 86.6 | 2 | — |
| 2012 | 32–33 | PIT | 2 | — | 25 | 53 | 47.2% | 272 | 0 | 1 | 0.0 | 1.9 | 5.1 | 4.3 | 0.0 | 54.9 | 3 | — |
| Career | 60 | 931 | 1,608 | 57.9% | 10,531 | 58 | 44 | 3.6 | 2.7 | 6.5 | — | — | 78.2 | 90 | 42.2 |
| Season | Age | Team | G | GS | Att | Yds | TD | Y/A | TD% | 1D | 1D% | Fmb |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2003 | 23–24 | JAX | 15 | — | 25 | 108 | 2 | 4.3 | 8.0 | 10 | 40.0 | 2 |
| 2004 | 24–25 | JAX | 14 | — | 39 | 148 | 2 | 3.8 | 5.1 | 7 | 17.9 | 0 |
| 2005 | 25–26 | JAX | 11 | — | 31 | 67 | 2 | 2.2 | 6.5 | 7 | 22.6 | 0 |
| 2006 | 26–27 | JAX | 6 | — | 25 | 41 | 2 | 1.6 | 8.0 | 5 | 20.0 | 0 |
| 2007 | 27–28 | ATL | 3 | — | 6 | 7 | 0 | 1.2 | 0.0 | 1 | 16.7 | 0 |
| 2008 | 28–29 | PIT | 5 | — | 4 | 7 | 1 | 1.8 | 25.0 | 1 | 25.0 | 0 |
| 2009 | 29–30 | TB | 3 | — | 6 | 6 | 0 | 1.0 | 0.0 | 1 | 16.7 | 0 |
| 2012 | 32–33 | PIT | 2 | — | 1 | 31 | 1 | 31.0 | 100.0 | 1 | 100.0 | 0 |
| Career | 59 | 137 | 415 | 10 | 3.0 | — | 33 | — | 2 |
A solid career by KV-H: a peak-driven profile that scores 50 of 100, era-normalized against pass yds/g peers across 5 scored seasons.
Blend 50.4 × longevity 1 = KV-H 50· confidence 88%
Season-by-season quality (era-relative pass yds/g)
Chad Henne
QB
87% match
2003 Draft ClassmatesFull class →