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

CBDEN#23ACT

Quentin Jammer

Top 18% all-time defensive backsIron Man⛰️ Mountain Arc · 2006

Height6'0"

Weight204 lb

BornJun 19, 1979

Age47

CollegeTexas See College Stats

Rookie yr2002

Draft2002 · Rd 1, Pick 5 · LAC

Archetype Intelligence

Iron ManExplore archetypes →

A high-end defensive back defined as much by exceptional availability — almost never missed time as by their on-field impact (top 20% all-time). Coaches and teammates could count on them being available.

Career Value · VORP

VORP 116 · #918 · High-Value

Worth 116 points of value above a freely-available replacement cornerback — top 21% of all 4,642 ranked at the position. 9 of 12 seasons cleared the replacement bar, by +12.9 on average.See board →

Seasons above replacement

9 cleared

3 replaced

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

Replacement

the KC-H bar

→

Seasons over

cleared the bar

+12.9

Avg surplus

peak +23

9 seasons × ~12.9 surplus ≈ VORP 116

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%
2002	—	LAC	14	—	53	45	8	0	0	0.0	0.0	0	10	0	—	0	0	—	—	—	—	—	—
2003	—	LAC	16	—	60	46	14	0	0	0.0	0.0	4	13	0	1	0	0	—	—	—	—	—	—
2004	—	LAC	15	—	47	38	9	0	0	0.0	0.0	1	10	0	—	0	0	—	—	—	—	—	—
2005	—	LAC	16	—	58	46	12	0	0	0.0	0.0	1	19	1	—	0	0	—	—	—	—	—	—
2006	—	LAC	16	—	63	56	7	0	0	0.0	0.0	4	18	0	—	0	0	—	—	—	—	—	—
2007	—	LAC	15	—	53	46	7	0	0	0.0	0.0	1	10	0	1	0	0	—	—	—	—	—	—
2008	—	LAC	16	—	75	62	13	1	0	0.0	1.0	2	19	3	2	0	0	—	—	—	—	—	—
2009	—	LAC	15	—	49	38	11	0	0	0.0	0.0	3	11	1	—	0	0	—	—	—	—	—	—
2010	—	LAC	15	—	39	36	3	0	0	0.0	0.0	2	11	1	—	0	0	—	—	—	—	—	—
2011	—	LAC	14	—	46	38	8	2	0	0.0	2.0	0	8	0	1	0	0	—	—	—	—	—	—
2012	—	LAC	16	—	55	46	9	3	0	0.0	3.0	3	9	1	3	2	0	—	—	—	—	—	—
2013	—	DEN	6	—	13	12	1	0	0	0.0	0.0	0	2	0	1	0	0	—	0.0%	216	30.6%	144	41.1%
Career		—	174	—	611	509	102	6	0	0.0	6.0	21	140	7	9	2	0	—	0.0%	216	30.6%	144	41.1%

Defense

Season	Age	Team	G	GS	Tkl	Solo	Ast	TFL	Sk	Dis	Int	PD	FF	FR	TD	VAL
2002	23	LAC	14	—	53	45	8	0	0.0	0.0	0	10	0	—	0	6
2003	24	LAC	16	—	60	46	14	0	0.0	0.0	4	13	0	1	0	9.8
2004	25	LAC	15	—	47	38	9	0	0.0	0.0	1	10	0	—	0	7.1
2005	26	LAC	16	—	58	46	12	0	0.0	0.0	1	19	1	—	0	10.7
2006	27	LAC	16	—	63	56	7	0	0.0	0.0	4	18	0	—	0	11.5
2007	28	LAC	15	—	53	46	7	0	0.0	0.0	1	10	0	1	0	6.8
2008	29	LAC	16	—	75	62	13	1	0.0	1.0	2	19	3	2	0	13.3
2009	30	LAC	15	—	49	38	11	0	0.0	0.0	3	11	1	—	0	9.5
2010	31	LAC	15	—	39	36	3	0	0.0	0.0	2	11	1	—	0	8.6
2011	32	LAC	14	—	46	38	8	2	0.0	2.0	0	8	0	1	0	5.5
2012	33	LAC	16	—	55	46	9	3	0.0	3.0	3	9	1	3	2	10.9
2013	34	DEN	6	0*	13	12	1	0	0.0	0.0	0	2	0	1	0	2
Career			174		611	509	102	6	—	—	21	140	7	9	2	101.7

* 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	34	DEN	11	0*	—	0.0%	216	30.6%	144	41.1%
Career			11		—	—	216	—	144	—

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

KV-H Anatomy

KV-H 65 · Strong Starter

A strong starter career by KV-H: a peak-driven profile that scores 65 of 100, era-normalized against int/g peers across 12 scored seasons.

Sustained

career value

×.6

Peak

best 3 seasons

×.4

×1

Longevity

career length

Blend 62.8 × longevity 1 = KV-H 65· confidence 98%

What builds the career mark of 58

On-field 39.3

Availability 18.7

On-field production Staying available

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

2002bestavg 56elite 702013

All-Time Standing

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

Depth

of 100

Reached 10% of the all-time Interceptions leader — a rotational/depth all-time profile at the position.

10% of the all-time Interceptions leader10

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: 92%.

Per-Snap Impact

Defensive Backs · proprietary · 2012+

—

below snap floor

Disruption / 100 snaps:0.926See leaderboard →

Disruption/1000.926Snap share30.6%Def snaps216Emerging

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 · 2002

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

DB · 2002 class

4.49s

40-Yard

Above avg · 52th pct

Pos 52thAll 79thClass Pos 70thClass All 83th

36"

Vertical

Above avg · 51th pct

Pos 51thAll 73thClass Pos 35thClass All 68th

124"

Broad Jump

Above avg · 64th pct

Pos 64thAll 82thClass Pos 78thClass All 90th

18 reps

Bench

Strong · 75th pct

Pos 75thAll 33thClass Pos 78thClass All 25th

Postseason Career

9 playoff games

Defense

Tkl36Solo33Ast3TFL1Dis1.0Int2PD9

College Stats

TexasCollege listed; stat table pending import

College stats are not imported for this profile yet.

StatVault has the verified college attribution (Texas), 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.

2002 Draft Class· this player went #5

#1David CarrQB #1Milford BrownG #2Julius PeppersDE #3Joey HarringtonQB #6Ryan SimsDE #7Bryant McKinnieOT #9John HendersonNT #10Levi JonesOT #11Dwight FreeneyDE #12Wendell BryantDT #13Donte' StallworthWR #14Jeremy ShockeyTE #15Albert HaynesworthDT #16William GreenRB #17Phillip BuchanonDB #18T.J. DuckettRB

Franchise Succession

the room, before and after

Quentin inherited the Los Angeles Chargers DB room from Jerry Wilson (2002–2005), and handed it to Sammy Davis (2003–2005).

Darrien Gordon 1993–1996Dwayne Harper 1994–1998Rodney Harrison 1994–2002Terrance Shaw 1995–1999Greg Jackson 1997–2000Mike Dumas

Similar Players

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

Movementderived from season history

2013team change
Joined DEN (from LAC)
2013final season
Last recorded season with DEN
2002draft
Drafted by LAC — Round 1, Pick 5

Athletic & Unique Profile

verified measurements and curated source-tagged facts

6'0" / 204 lb

Frame

204 lb at 4.49s

Size-speed

36" vert / 124" broad

Explosion

18 reps

Bench power

Injury History

From nflverse weekly injury reports · coverage begins 2009.

Season	Team	Games Out	Designations
2011	SD	0	W4Doubtful· Hamstring

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 12-season peers. See all →

peak 70

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

C2002

B+2003

C+2004

C+2005

B+2006

C+2007

B2008

B2009

B2010

C2011

B2012

F2013

Availability

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
2002	0	0	0	0
2003	4	0.3	3-1	0.2
2004	1	0.1	0-1	0
2005	1	0.1	0-1	0
2006	4	0.3	3-1	0.2
2007	1	0.1	0-1	0
2008	2	0.1	1-1	0.1
2009	3	0.2	2-1	0.1
2010	2	0.1	1-1	0.1
2011	0	0	0	0
2012	3	0.2	2-1	0.1
2013	0	0	0	0

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

116 career value over replacement — #918 all-time of 4,642. 9.7/season above a replacement-level CB.

Draft OutcomeValue ↑

Pick #5 (Rd 1) · LAC · 2002 · +3.2 vs expected KV-H

65actual

61.8 expected · Δ+3.2

Fan Rating

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Quentin Jammer

Archetype Intelligence

Career Value · VORP

Combined Season Grid

Defense

Snap Counts

KV-H Anatomy

All-Time Standing

Per-Snap Impact

Career Aging Trajectory

Combine · 2002

Postseason Career

Defense

College Stats

Reference Graph

Top Teammates

2002 Draft Class· this player went #5

Franchise Succession

Similar Players

Movementderived from season history

Athletic & Unique Profile

Injury History

Knox

Era Translator