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.
Byron Leftwich
Top 30% all-time QBsHigh-End Starter📉 Fades · -23% playoffs🌅 Early Bloomer · 2004Team Carrier · #323
Height6'5"
Weight250 lb
BornJan 14, 1980
Age46
College
A quality quarterback with a top 30% among starters — a legitimate starter who contributed meaningfully across their career.
Career Value · VORP
VORP 55 · #1932 · Above AverageWorth 55 points of value above a freely-available replacement quarterback — top 43% of all 4,649 ranked at the position. 3 of 5 seasons cleared the replacement bar, by +18.3 on average.See board →
Seasons above replacement
3 cleared
2 replaced
Beat replacement (adds to VORP) Below it — adds 0, never a debit
36
Replacement
the KC-H bar
→
Career Value · VORP
55 career value over replacement — #1932 all-time of 4,649. 11/season above a replacement-level QB.
Draft OutcomeMiss ↓
Pick #7 (Rd 1) · JAX · 2003 · -11.4 vs expected KV-H
50actual
61.4 expected · Δ−11.4
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