DBMIA#26CUT

Cornell Armstrong

Height6'0"

Weight185 lb

BornSep 22, 1995

Age30

CollegeSouthern Mississippi See College Stats

ConferenceConference USA

Rookie yr2018

Draft2018 · Rd 6, Pick 209 · MIA

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 Cornell Armstrong 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

Defensive Backs · proprietary · 2012+

Solid

SIS

Disruption / 100 snaps:1.226See leaderboard →

Disruption/1001.226Snap share28.6%Def snaps571Emerging

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

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.

College Stats

Southern MississippiCollege listed; stat table pending import

College stats are not imported for this profile yet.

StatVault has the verified college attribution (Southern Mississippi), 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 MIA (from ATL)
2025final season
Last recorded season with MIA
2022team change
Joined ATL (from HOU)
2019team change
Joined HOU (from MIA)
2018draft
Drafted by MIA — Round 6, Pick 209

Athletic & Unique Profile

verified measurements and curated source-tagged facts

6'0" / 185 lb

Frame

Injury History

From nflverse weekly injury reports · coverage begins 2009.

Season	Team	Games Out	Designations
2020	HOU	0	W6Questionable· Knee

Knox

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

Availability

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

52%

20182025

2019 · cause not documented · 31%2020 · cause not documented · 63%2022 · cause not documented · 59%2025 · cause not documented · 18%

Durability IQ

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

Typical

Data: nflverse:players, nflverse:player_stats_def, nflverse:snap_counts, nflverse:draft_picks, 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 8 seasons (2018–2025) — a true nomad. The crest trail:

MIA 2018–2025 HOU 2019–2020 ATL 2022