Also in other sports:nbaAlexander Johnson (SF · 2007–2008).

Alexander Johnson is a career quality starter — a linebacker whose body of work places Johnson in the top quarter of all players at the position historically. The Knox model values sustained contribution over flash, and Johnson's career arc reflects exactly that kind of reliable professional-grade performance.

LBSEA#42DEV

Alexander Johnson

Top 23% all-time linebackersHigh-End Starter⭐ Shooting Star · 2020

Height6'2"

Weight255 lb

BornDec 24, 1991

Age

Career Value · VORP

53 career value over replacement — #1965 all-time of 4,649. 17.7/season above a replacement-level LB.

💔+29.7 stolen VORP·1.68 szns lost

Fan Rating

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Compare Alexander Johnson vs Player Report data error

All-Time Standing

how this career measures against the all-time greats at the position

Depth

of 100

Reached 2% of the all-time Sacks leader — a rotational/depth all-time profile at the position.

2% of the all-time Sacks leader2

0 categories ≥25% of the all-time leader0

A 0–100 scale where 100 = matched the all-time leaderat this position. Built only from visible encyclopedia data — career production vs. the all-time leader, plus efficiency (EPA) and comparable-player confidence — so it's a transparent context score, not a subjective rating. Tiers: Elite ≥ 85 · Strong ≥ 65 · Solid ≥ 45 · Depth < 45. Comparable-player confidence: 90%.

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.

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 Layers

Per-Snap Impact

Linebackers · proprietary · 2012+

Solid

SIS

Disruption / 100 snaps:1.851See leaderboard →

Disruption/1001.851Snap share71.3%Def snaps2,134ReliableCV 0.28

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)

Postseason Career

1 playoff game

Defense

Tkl2Solo2

Snap Counts

Def12Def%18.0%ST14ST%50.0%

College Stats

TennesseeCollege listed; stat table pending import

College stats are not imported for this profile yet.

StatVault has the verified college attribution (Tennessee), 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.

Reference Graph

Career teammates and draft class, derived from year-by-year rosters — every name is linked.

Top Teammates

Shelby HarrisDE5y Brandon McManusK4y Garett BollesOT4y Justin SimmonsFS4y

Franchise Succession

the room, before and after

Alexander inherited the Denver Broncos LB room from Shaquil Barrett (2015–2018), and handed it to Bradley Chubb (2018–2022).

Elijah Alexander 1993–1995Glenn Cadrez 1995–2000Bill Romanowski 1996–2001John Mobley 1996–2003Al Wilson 1999–2006Ian Gold

Similar Players

Statistical + physical similarity across every player in the database, position-relevant (0–100%).

Movementderived from season history

2022team change
Joined SEA (from DEN)
2022final season
Last recorded season with SEA
2018signing
Entered the NFL with DEN

Athletic & Unique Profile

verified measurements and curated source-tagged facts

6'2" / 255 lb

Frame

Injury History

From nflverse weekly injury reports · coverage begins 2009.

Season	Team	Games Out	Designations
2019	DEN	0	W13Questionable· Knee

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 3-season peers. See all →

peak 62

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

B+2019

B+2020

C2021

Availability

Career durability — games played vs. scheduled, across 5 seasons.

58%

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
2019	88	7.3	117+29	6.9
2020	120	7.5	123+3	7.2
2021	30	5	81+51	4.8

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