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

CBTEN#20CUT

Perrish Cox

Top 34% all-time defensive backsHigh-End Starter📈 Late Developer · 2014

Height6'0"

Weight190 lb

BornJan 10, 1987

Age39

CollegeOklahoma State See College Stats

Rookie yr2010

Draft2010 · Rd 5, Pick 137 · DEN

Archetype Intelligence

High-End StarterExplore archetypes →

A quality defensive back with a above-average career — a legitimate starter who contributed meaningfully across their career.

Career Value · VORP

VORP 53 · #1969 · Above Average

Worth 53 points of value above a freely-available replacement cornerback — top 43% of all 4,642 ranked at the position. 4 of 6 seasons cleared the replacement bar, by +13.3 on average.See board →

Seasons above replacement

4 cleared

2 replaced

Beat replacement (adds to VORP) Below it — adds 0, never a debit

Replacement

the KC-H bar

→

Seasons over

cleared the bar

+13.3

Avg surplus

peak +29

4 seasons × ~13.3 surplus ≈ VORP 53

Combined Season Grid

The full season-by-season grids, joined on one timeline. Every selected stat family stays visible at once—no tab hopping.

2 grids split in one view

Season	Age	Team	G	GS	Defense													Snap Counts
Season	Age	Team	G	GS	Tkl	Solo	Ast	TFL	QBHits	Sk	Dis	Int	PD	FF	FR	TD	Sfty	Off	Off%	Def	Def%	ST	ST%
2010	—	DEN	13	—	48	47	1	2	0	0.0	2.0	1	14	2	—	0	0	—	—	—	—	—	—
2012	—	SF	9	—	12	10	2	0	0	0.0	0.0	0	2	0	—	0	0	—	—	—	—	—	—
2013	—	SEA	5	—	5	5	0	0	0	0.0	0.0	0	0	0	—	0	0	—	—	—	—	—	—
2013	—	SF	11	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0.0%	79	11.7%	62	22.1%
2014	—	SF	15	—	52	48	4	0	0	0.0	0.0	5	16	0	2	0	0	—	0.0%	941	96.7%	62	19.5%
2015	—	TEN	12	—	30	26	4	0	0	0.0	0.0	1	7	0	—	0	0	—	0.0%	698	83.4%	52	20.4%
2016	—	TEN	11	—	40	35	5	0	0	0.0	0.0	3	11	0	—	0	0	—	0.0%	623	83.5%	45	17.2%
Career		—	76	—	187	171	16	2	0	0.0	2.0	10	50	2	2	0	0	—	0.0%	2,341	68.8%	221	19.8%

Defense

Season	Age	Team	G	GS	Tkl	Solo	Ast	TFL	Sk	Dis	Int	PD	FF	FR	VAL
2010	23	DEN	13	—	48	47	1	2	0.0	2.0	1	14	2	—	9.3
2012	25	SF	9	—	12	10	2	0	0.0	0.0	0	2	0	—	2.5
2013	26	SEA	5	0*	5	5	0	0	0.0	0.0	0	0	0	—	1.1
2014	27	SF	15	15*	52	48	4	0	0.0	0.0	5	16	0	2	12
2015	28	TEN	12	11*	30	26	4	0	0.0	0.0	1	7	0	—	5.7
2016	29	TEN	11	9*	40	35	5	0	0.0	0.0	3	11	0	—	8.2
Career			65	35*	187	171	16	2	—	—	10	50	2	2	38.8

* GS not available from free sources — SG* estimated from snap share (nflverse 2012+)

Snap Counts

Season	Age	Team	G	GS	Off	Off%	Def	Def%	ST	ST%
2013	26	SF	11	0*	—	0.0%	79	11.7%	62	22.1%
2014	27	SF	15	15*	—	0.0%	941	96.7%	62	19.5%
2015	28	TEN	13	11*	—	0.0%	698	83.4%	52	20.4%
2016	29	TEN	11	9*	—	0.0%	623	83.5%	45	17.2%
Career			50	35*	—	—	2,341	—	221	—

* GS not available from free sources — SG* estimated from snap share (nflverse 2012+)

KV-H Anatomy

KV-H 58 · Strong Starter

A strong starter career by KV-H: a well-rounded profile that scores 58 of 100, era-normalized against int/g peers across 6 scored seasons.

Sustained

career value

×.6

Peak

best 3 seasons

×.4

×1

Longevity

career length

Blend 57.6 × longevity 1 = KV-H 58· confidence 94%

What builds the career mark of 56

On-field 41.4

Availability 14.6

On-field production Staying available

Season-by-season quality (era-relative int/g)

2010bestavg 51elite 702016

All-Time Standing

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

Depth

of 100

Reached 5% of the all-time Interceptions leader — a rotational/depth all-time profile at the position.

5% of the all-time Interceptions leader5

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%.

Per-Snap Impact

Defensive Backs · proprietary · 2012+

Above average

SIS

Disruption / 100 snaps:1.837See leaderboard →

Disruption/1001.837Snap share68.8%Def snaps2,341ReliableCV 0.28

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+).

Career Aging Trajectory

vs. position group average · KV-H basis

Amber = this player (normalized to own peak). Indigo = average defensive backs aging curve. Group peak age: 21. Source: StatVault KV-H era (1999+).

Combine · 2010

Percentiles compare each raw measurement against position peers, the full combine pool, and the same draft class where enough samples exist.

DB · 2010 class

4.58s

40-Yard

Low · 20th pct

Pos 20thAll 62thClass Pos 21thClass All 68th

32.5"

Vertical

Low · 8th pct

Pos 8thAll 39thClass Pos 17thClass All 32th

113"

Broad Jump

Low · 4th pct

Pos 4thAll 35thClass Pos 6thClass All 38th

12 reps

Bench

Low · 22th pct

Pos 22thAll 7thClass Pos 29thClass All 7th

Postseason Career

4 playoff games

Defense

Tkl6Solo5Ast1PD2

College Stats

Oklahoma StateCollege listed; stat table pending import

College stats are not imported for this profile yet.

StatVault has the verified college attribution (Oklahoma State), 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.

2010 Draft Class· this player went #137

#129Jacques McClendonG #130O'Brien SchofieldDE #131Roddrick MuckelroyLB #132Michael HoomanawanuiTE #133Kam ChancellorDB #134Ricky SappLB #135Dominique FranksCB #136Kendrick LewisS #138Walter McFaddenDB #139John ConnerFB #142Cameron SheffieldLB #143Larry HartDE #144Sherrick McManisDB #145Nolan CarrollCB #146Cam ThomasDT #149Hall DavisDE

Franchise Succession

the room, before and after

Perrish inherited the San Francisco 49ers DB room from Chris Culliver (2011–2014), and handed it to Eric Reid (2013–2017).

Dave Waymer 1990–1991Eric Davis 1990–1995Merton Hanks 1991–1998Dana Hall 1992–1994Tim McDonald 1993–1999Tyronne Drakeford

Similar Players

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

DeAndre Houston-Carson

Movementderived from season history

2016final season
Last recorded season with TEN
2015team change
Joined TEN (from SF)
2012team change
Joined SF (from DEN)
2010draft
Drafted by DEN — Round 5, Pick 137

Athletic & Unique Profile

verified measurements and curated source-tagged facts

6'0" / 190 lb

Frame

195 lb at 4.58s

Size-speed

32.5" vert / 113" broad

Explosion

12 reps

Bench power

Injury History

4 career games missed (Out)

From nflverse weekly injury reports · coverage begins 2009.

Season	Team	Games Out	Designations
2016	TEN	1	W8Out· Concussion
2015	TEN	2	W1Questionable· HipW6Questionable· HamstringW7Out· HamstringW8Out· HamstringW10Questionable· Hamstring
2014	SF	0	W17Questionable· Shoulder
2010	DEN	1	W8Out· ConcussionW14Questionable· Not Injury Related

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 6-season peers. See all →

peak 60

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

C+2010

D2012

F2013

B+2014

C+2015

B2016

Availability

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

75%

Era Translator

INT 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 INT	INT/G	→ 2025 INT	→ 2025 /G
2010	1	0.1	0-1	0
2012	0	0	0	0
2013	0	0	0	0
2014	5	0.3	4-1	0.2
2015	1	0.1	1	0
2016	3	0.3	3	0.2

Data: nflverse:players, nflverse:player_stats_def, nflverse:snap_counts, nflverse:combine, nflverse:draft_picks, nflverse:injuries · multi-source verified via the StatVault Oracle · updated 6/18/2026

Career Value · VORP

53 career value over replacement — #1969 all-time of 4,642. 8.8/season above a replacement-level CB.

Career Profile

1 top-10 seasonstop-10 marks

Draft OutcomeSteal ↑

Pick #137 (Rd 5) · DEN · 2010 · +24.5 vs expected KV-H

58actual

33.5 expected · Δ+24.5

Fan Rating

Rate Perrish Cox — All-Time

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Archetype Intelligence

Career Value · VORP

Combined Season Grid

Defense

Snap Counts

KV-H Anatomy

All-Time Standing

Per-Snap Impact

Career Aging Trajectory

Combine · 2010

Postseason Career

Defense

College Stats

Reference Graph

Top Teammates

2010 Draft Class· this player went #137

Franchise Succession

Similar Players

Movementderived from season history

Athletic & Unique Profile

Injury History

Knox

Era Translator

Career Geography