OLBDAL#51ACT

Alshermond Singleton

Durable Contributor

Height6'2"

Weight250 lb

BornAug 7, 1975

Age51

CollegeTemple See College Stats

Rookie yr1997

Draft1997 · Rd 4, Pick 128 · TB

All-Time Standing

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

Depth

of 100

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

2% of the all-time Interceptions 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: 87%.

Encyclopedia Coverage

Career Value · VORP

9 career value over replacement — #3661 all-time of 4,649. 0.9/season above a replacement-level LB.

Draft OutcomeValue ↑

Pick #128 (Rd 4) · TB · 1997 · +16.4 vs expected KV-H

47actual

30.6 expected · Δ+16.4

Fan Rating

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Compare Alshermond Singleton vs Player Report data error

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)Not available for this player

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.

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.

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

Defense

Tkl19Solo15Ast4QBHits1Sk1.5Dis2.5PD3FF1

College Stats

TempleCollege listed; stat table pending import

College stats are not imported for this profile yet.

StatVault has the verified college attribution (Temple), 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

2006final season
Last recorded season with DAL
2003team change
Joined DAL (from TB)
1997draft
Drafted by TB — Round 4, Pick 128

Athletic & Unique Profile

verified measurements and curated source-tagged facts

6'2" / 250 lb

Frame

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 10-season peers. See all →

peak 50

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

C1997

C1998

C1999

C2000

C2001

C+2002

C+2003

C2004

D2005

C2006

Availability

Career durability — games played vs. scheduled, across 10 seasons.

73%

19972006

1999 · cause not documented · 69%2000 · cause not documented · 56%2005 · cause not documented · 44%2006 · cause not documented · 56%

Durability IQ

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

Durable

Era Translator

Sacks 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 Sacks	Sacks/G	→ 2025 Sacks	→ 2025 /G
1997	0	0	0	0
1998	0	0	0	0
1999	0.5	0	1+0.5	0
2000	0	0	0	0
2001	1	0.1	1	0.1
2002	1	0.1	1	0.1
2003	1	0.1	1	0.1
2004	0	0	0	0
2005	0	0	0	0
2006	1	0.1	2+1	0.1

Data: nflverse:players, nflverse:player_stats_def, nflverse:draft_picks, wikipedia:season-stats (CC-BY-SA, facts-only), nfl.com:official-stats (games-played, facts-only reference) · multi-source verified via the StatVault Oracle · updated 7/31/2026

Career Geography

Journeyman · 3 crestsLeague board →

Wore 3 distinct franchise crests across 10 seasons (1997–2006) — a true nomad. The crest trail:

TB 1997–2002 DAL 2003–2006 PHI 2006

Alshermond Singleton 2003–2006

Alshermond Singleton

All-Time Standing

Career Aging Trajectory

Postseason Career

Defense

College Stats

Reference Graph

Top Teammates

1997 Draft Class· this player went #128

Franchise Succession

Similar Players

Movementderived from season history

Athletic & Unique Profile

Knox

Era Translator

Career Geography