FSSD#41RES

Nick Polk

Height5'11"

Weight218 lb

BornOct 6, 1986

Age39

CollegeIndiana See College Stats

Rookie yr2010

Encyclopedia Coverage4/8 data layers

StatVault aggregates multiple open-licensed and proprietary sources into a single profile. The depth indicator above shows which layers are available for this player.

Bio & DraftBirth date, height/weight, draft round/pick, college — sourced from nflverse players.csv (CC-BY 4.0). Covers all NFL eras.

Season Stats (1999–present)Not available for this player

Advanced (EPA, 1999–present)Not available for this player

Snap Counts (2012–present)Not available for this player

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Compare Nick Polk vs Player Report data error

Defensive StatsNot available for this player

College StatsCollege attribution is present, but this profile artifact does not yet carry a parsed college stat table.

NFL Combine / Pro Day40-yard dash, vertical, broad jump, 3-cone, shuttle, bench press. Source: nflverse combine.csv.

Proprietary LayersKV-H (Knox Value-Historical) — era-normalized career rating 0–100 calibrated within position group (1999+ coverage). SIS (Snap Impact Score, 2012+) — per-snap production z-scored within position. VORP — value over replacement player. Durability IQ — games-played percentile adjusted for era.

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.

Where this data comes from

Modern-era stats (1999+) come from nflverse's open data releases. Pre-1999 seasons are backfilled additively from Wikipedia and NFL.com's own official season pages — never from rights-restricted sources.

nflverse — CC-BY 4.0 — attribution required
Wikipedia — Facts extracted under Feist v. Rural Telephone; courtesy CC-BY-SA attribution
NFL.com — Official league site; facts extracted under Feist, courtesy attribution

Methodology · Trust Center

Combine · 2010

Percentiles compare each raw measurement against position peers, the full combine pool, and the same draft class where enough samples exist.

DB · 2010 class

4.55s

40-Yard

Below avg · 31th pct

Pos 31thAll 70thClass Pos 27thClass All 72th

38"

Vertical

Strong · 75th pct

Pos 75thAll 88thClass Pos 74thClass All 87th

121"

Broad Jump

Below avg · 44th pct

Pos 44thAll 71thClass Pos 60thClass All 83th

14 reps

Bench

Below avg · 35th pct

Pos 35thAll 13thClass Pos 40thClass All 13th

Understanding These Stats

Proprietary StatVault Metrics

KV-H (Knox Value-Historical) — Era-normalized career rating 0–100 within position group, calibrated so a 50 = average starter and 90+ = all-time great. Covers 1999–present. Built on a 5-year IQR/robust-std era window.

SIS (Snap Impact Score) — Per-snap production z-scored within position group and era (2012+). Measures how much a player produced per opportunity, not raw volume.

VORP (Value Over Replacement) — Sum of max(0, season KV-H − positional replacement level) across a career. Measures career value above the minimum-roster baseline at each position.

Durability IQ — 0–100 score reflecting how many games a player played relative to peers at the same position in the same era. Adjusts for injury-shortened seasons.

College Stats

IndianaCollege listed; stat table pending import

College stats are not imported for this profile yet.

StatVault has the verified college attribution (Indiana), 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.