GTENACT

Blake Hance

Height6'5"

Weight310 lb

BornJan 11, 1996

Age30

CollegeNorthwestern See College Stats

ConferenceBig Ten

Rookie yr2019

Encyclopedia Coverage5/8 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)Week-by-week box scores aggregated to season totals: passing, rushing, receiving, defense. Source: nflverse player_stats. Counting stats are exact; rates are derived.

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

Snap Counts (2012–present)Offensive, defensive, and special-teams snap counts with team-share percentages. Essential for OL and situational players. Source: nflverse snap_counts.

Fan Rating

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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 DayNot available for this player

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.

Per-Snap Impact

Offensive Line · proprietary · 2012+

Rotational

SIS

Snap share:31.6 %See leaderboard →

Snap share31.6%Off snaps1,021Emerging

Production per snap — the box score normalized by opportunity. SIS is z-scored within offensive line, shrinkage-regularized so small samples don't spike, over the NFL snap-count era (2012+).

Understanding These Stats

Snap Counts (2012–present)

Off / Off% — Offensive snaps played and share of team total. The most reliable usage metric for skill positions and OL.

Def / Def% — Defensive snaps played and share of team total.

ST / ST% — Special-teams snaps played and share of team total.

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.

Postseason Career

4 playoff games

Snap Counts

Off47Off%18.3%ST18ST%15.3%

College Stats

NorthwesternCollege listed; stat table pending import

College stats are not imported for this profile yet.

StatVault has the verified college attribution (Northwestern), 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.