LBGB#54ACT

Kristian Welch

Role Player⭐ Shooting Star · 2024

Height6'3"

Weight240 lb

BornMay 24, 1998

Age28

CollegeIowa See College Stats

ConferenceBig Ten

Rookie yr2020

Encyclopedia Coverage6/8 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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Compare Kristian Welch vs Player Report data error

Defensive StatsMaterial defensive production only: playmaking stats, 10+ tackles, or 50+ defensive snaps. Source: nflverse player_stats and snap_counts.

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

Linebackers · proprietary · 2012+

—

below snap floor

Disruption / 100 snaps:0See leaderboard →

Disruption/1000Snap share1.3%Def snaps91Emerging

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

Career Aging Trajectory

vs. position group average · KV-H basis

Amber = this player (normalized to own peak). Indigo = average linebackers aging curve. Group peak age: 32. Source: StatVault KV-H era (1999+).

Understanding These Stats

Defense

Tkl / Solo / Ast — Combined tackles (Solo + ½ Assist). Solo = unassisted. Ast = helped by a teammate.

TFL — Tackles for loss — stops made behind the line of scrimmage (run stuffs + QB contain).

QBHits — QB hits — any legal contact on the quarterback, including but beyond sacks (hurries that land).

Sk — Sacks — tackled the QB behind the line for a loss. Half-sacks shared between defenders.

Dis — Disruption plays = sacks + QB hits + TFL. The composite pass-rush / run-stop impact stat for one season. Elite pass rushers post 30+ disruption plays per season.

Int — Interceptions caught by this defender.

PD — Passes defended — deflections and breakups.

FF / FR — Forced fumbles (stripped or jarred loose). Fumble Recoveries.

TD — Defensive touchdowns — picks, fumble returns, safeties returned.

Sfty — Safeties — tackled the ball carrier in their own end zone.

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

7 playoff games

Snap Counts

ST115ST%69.0%

College Stats

IowaCollege listed; stat table pending import

College stats are not imported for this profile yet.

StatVault has the verified college attribution (Iowa), 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.

Movementderived from season history

2025team change
Joined GB (from BAL)
2025final season
Last recorded season with GB
2024team change
Joined BAL (from GB)
2023team change
Joined GB (from BAL)
2020signing
Entered the NFL with BAL

Athletic & Unique Profile

verified measurements and curated source-tagged facts

6'3" / 240 lb

Frame

Injury History

1 career game missed (Out)

From nflverse weekly injury reports · coverage begins 2009.

Season	Team	Games Out	Designations
2022	BAL	0	W14Questionable· Concussion
2021	BAL	0	W11Questionable· Foot
2020	BAL	1	W13Questionable· AnkleW15Out· FootW16Questionable· Foot

Knox

StatVault's proprietary player intelligence, informed by full career data. How Knox works →

Historical Knox · KV-H

Era-normalized career quality — z-scored against 2-season peers. See all →

peak 20

Season Report Cards· KV-H era-normalized per season

F2021

F2024

Availability

Career durability — games played vs. scheduled, across 6 seasons.

79%

20202025

2020 · Foot · 63%2025 · cause not documented · 47%

Durability IQ

Composite score across availability, IR frequency, and injury severity. See all →

Durable

Era Translator

Tackles translated to the 2025NFL — each season's standing among its own-era peers, projected onto 2025's scoring environment. Modern-era (1999+) coverage.

Season	Actual Tackles	Tackles/G	→ 2025 Tackles	→ 2025 /G
2021	4	1	14+10	0.8
2024	6	1.2	21+15	1.2

Data: nflverse:players, nflverse:player_stats_def, nflverse:snap_counts, nflverse:injuries · multi-source verified via the StatVault Oracle · updated 7/31/2026

Career Geography

Journeyman · 3 crestsLeague board →

Wore 3 distinct franchise crests across 6 seasons (2020–2025) — a true nomad. The crest trail:

BAL 2020–2024 GB 2023–2025 DEN 2024