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Pre-1999 players have bio + draft data but counting stats are not available from any freely-licensed source. Players with ★ Career Only see verified career aggregates from nflverse draft_picks.
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StatVault has the verified college attribution (Kansas State; Coffeyville CC), but no parsed college box-score table is present in this profile artifact. The section stays here so every profile has a consistent college-stats landing point without fabricating unavailable rows.
Career teammates and draft class, derived from year-by-year rosters — every name is linked.
Statistical + physical similarity across every player in the database, position-relevant (0–100%).
Joined SD (from DEN)
Last recorded season with SD
Joined DEN (from HOU)
Entered the NFL with HOU
From nflverse weekly injury reports · coverage begins 2009.
| Season | Team | Games Out | Designations |
|---|---|---|---|
| 2012 | KC | 0 | W3Questionable· BackW10Questionable· NeckW11Questionable· KneeW12Questionable· KneeW13Questionable· KneeW15Questionable· Knee |
| 2011 | KC | 1 | W12Out· HeadW13Questionable· Head |
| 2010 | KC | 0 | W8Questionable· HandW9Questionable· HandW11Questionable· FootW12Questionable· Foot |
StatVault's proprietary player intelligence, informed by full career data. How Knox works →
Career durability — games played vs. scheduled, across 3 seasons.
Composite score across availability, IR frequency, and injury severity. See all →
Data: nflverse:players, nflverse:player_stats_def, nflverse:injuries · multi-source verified via the StatVault Oracle · updated 7/31/2026
John Gerak
G
84% match
2004 Draft ClassmatesFull class →
Wore 3 distinct franchise crests across 5 seasons (2007–2011) — a true nomad. The crest trail: