Derek Cox ranks in the all-time elite tier for defensive backs β a career that places Cox in the top 10% of all players at the position. The Knox value model assigns Cox a career score of 72, reflecting sustained impact that most players at the position never approach.
Derek Cox
A top 10% all-time defensive back who consistently made an impact across multiple seasons. Lower snap-level production reinforces the playmaking ability.
Career Value Β· VORP
VORP 89 Β· #1296 Β· High-ValueWorth 89 points of value above a freely-available replacement cornerback β top 29% of all 4,642 ranked at the position. 4 of 5 seasons cleared the replacement bar, by +22.3 on average.See board β
Seasons above replacement
4 cleared
Beat replacement (adds to VORP) Below it β adds 0, never a debit
49
Replacement
the KC-H bar
β
4
Seasons over
cleared the bar
Γ
+22.3
Avg surplus
peak +31
4 seasons Γ ~22.3 surplus β VORP 89
Combined Season Grid
The full season-by-season grids, joined on one timeline. Every selected stat family stays visible at onceβno tab hopping.
2 grids split in one view
| Season | Age | Team | G | GS | Defense | Snap Counts | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tkl | Solo | Ast | TFL | QBHits | Sk | Dis | Int | PD | FF | FR | TD | Sfty | Off | Off% | Def | Def% | ST | ST% | |||||
| 2009 | β | JAX | 16 | β | 68 | 54 | 14 | 1 | 0 | 0.0 | 1.0 | 4 | 11 | 0 | 1 | 0 | 0 | β | β | β | β | β | β |
| 2010 | β | JAX | 12 | β | 46 | 38 | 8 | 1 | 0 | 0.0 | 1.0 | 4 | 8 | 0 | β | 0 | 0 | β | β | β | β | β | β |
| 2011 | β | JAX | 6 | β | 20 | 14 | 6 | 1 | 0 | 0.0 | 1.0 | 0 | 2 | 0 | β | 0 | 0 | β | β | β | β | β | β |
| 2012 | β | JAX | 12 | β | 60 | 55 | 5 | 1 | 0 | 0.0 | 1.0 | 4 | 11 | 1 | β | 0 | 0 | β | β | β | β | β | β |
| 2013 | β | LAC | 11 | β | 35 | 31 | 4 | 0 | 0 | 0.0 | 0.0 | 1 | 7 | 0 | β | 0 | 0 | β | β | β | β | β | β |
| 2013 | β | SD | 16 | β | β | β | β | β | β | β | β | β | β | β | β | β | β | β | 0.0% | 556 | 68.4% | 100 | 22.3% |
| Career | β | 73 | β | 229 | 192 | 37 | 4 | 0 | 0.0 | 4.0 | 13 | 39 | 1 | 1 | 0 | 0 | β | 0.0% | 556 | 68.4% | 100 | 22.3% | |
Defense
| Season | Age | Team | G | GS | Tkl | Solo | Ast | TFL | QBHits | Sk | Dis | Int | PD | FF | FR | TD | Sfty | VAL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | 23 | JAX | 16 | β | 68 | 54 | 14 | 1 | 0 | 0.0 | 1.0 | 4 | 11 | 0 | 1 | 0 | 0 | 10 |
| 2010 | 24 | JAX | 12 | β | 46 | 38 | 8 | 1 | 0 | 0.0 | 1.0 | 4 | 8 | 0 | β | 0 | 0 | 7.9 |
| 2011 | 25 | JAX | 6 | β | 20 | 14 | 6 | 1 | 0 | 0.0 | 1.0 | 0 | 2 | 0 | β | 0 | 0 | 2 |
| 2012 | 26 | JAX | 12 | β | 60 | 55 | 5 | 1 | 0 | 0.0 | 1.0 | 4 | 11 | 1 | β | 0 | 0 | 9.9 |
| 2013 | 27 | LAC | 11 | 11* | 35 | 31 | 4 | 0 | 0 | 0.0 | 0.0 | 1 | 7 | 0 | β | 0 | 0 | 5.3 |
| Career | 57 | 11* | 229 | 192 | 37 | 4 | 0 | β | β | 13 | 39 | 1 | 1 | 0 | 0 | 35.1 |
* GS not available from free sources β SG* estimated from snap share (nflverse 2012+)
Snap Counts
| Season | Age | Team | G | GS | Off | Off% | Def | Def% | ST | ST% |
|---|---|---|---|---|---|---|---|---|---|---|
| 2013 | 27 | SD | 16 | 11* | β | 0.0% | 556 | 68.4% | 100 | 22.3% |
| Career | 16 | 11* | β | β | 556 | β | 100 | β |
* GS not available from free sources β SG* estimated from snap share (nflverse 2012+)
KV-H Anatomy
KV-H 72 Β· GreatA great career by KV-H: a peak-driven profile that scores 72 of 100, era-normalized against int/g peers across 5 scored seasons.
67
Sustained
career value
Γ.6
78
Peak
best 3 seasons
Γ.4
Γ1
Longevity
career length
Blend 71.4 Γ longevity 1 = KV-H 72Β· confidence 95%
What builds the career mark of 67
On-field 51.7
Availability 15.3
On-field production Staying available
Season-by-season quality (era-relative int/g)
2009bestavg 62elite 702013
Team Carrier Evidence
Ranked #201 of 600 by seasons where high individual production happened on low-win teams. Score aggregates only tracked StatVault categories.
All-Time Standing
how this career measures against the all-time greats at the position5
Depth
of 100
Reached 6% of the all-time Interceptions leader β a rotational/depth all-time profile at the position.
6% of the all-time Interceptions leader6
0 categories β₯25% of the all-time leader0
A 0β100 scale where 100 = matched the all-time leaderat this position. Built only from visible encyclopedia data β career production vs. the all-time leader, plus efficiency (EPA) and comparable-player confidence β so it's a transparent context score, not a subjective rating. Tiers: Elite β₯ 85 Β· Strong β₯ 65 Β· Solid β₯ 45 Β· Depth < 45. Comparable-player confidence: 92%.
Per-Snap Impact
Defensive Backs Β· proprietary Β· 2012+33
Rotational
SIS
Disruption/1001.439Snap share68.4%Def snaps556Emerging
Production per snap β 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 Β· KV-H basisAmber = this player (normalized to own peak). Indigo = average defensive backs aging curve. Group peak age: 21. Source: StatVault KV-H era (1999+).
College stats are not imported for this profile yet.
StatVault has the verified college attribution (William & Mary), 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 β every name is linked.
Top Teammates
Marcedes LewisTE4yDaryl SmithOLB4yJosh ScobeeK4yRashean MathisCB4yMaurice Jones-DrewRB4yTerrance KnightonNT4yGreg JonesFB4yRussell AllenOLB4yWilliam MiddletonCB4yMontell OwensRB4yZach PotterTE4yTyson AlualuDE3yRashad JenningsRB3yC.J. MosleyDT3yJeremy MinceyDE3yZach MillerTE3yLuke McCownQB3yMike Sims-WalkerWR3yAusten LaneDE3yCourtney GreeneS3yBrock BolenRB3yPhilip RiversQB2yAntonio GatesTE2yEric WeddleFS2y
2009 Draft ClassΒ· this player went #73
Franchise Succession
the room, before and afterDerek inherited the Jacksonville Jaguars DB room from Reggie Nelson (2007β2009), and handed it to Dwayne Gratz (2013β2016).
Similar Players
Statistical + physical similarity across every player in the database, position-relevant (0β100%).
Movementderived from season history
- 2013team change
Joined LAC (from JAX)
- 2013final season
Last recorded season with LAC
- 2009draft
Drafted by JAX β Round 3, Pick 73
Athletic & Unique Profile
verified measurements and curated source-tagged facts6'1" / 195 lb
Frame
Injury History
3 career games missed (Out)From nflverse weekly injury reports Β· coverage begins 2009.
| Season | Team | Games Out | Designations |
|---|---|---|---|
| 2012 | JAX | 1 | W1DoubtfulΒ· HamstringW2QuestionableΒ· HamstringW8QuestionableΒ· BackW9QuestionableΒ· BackW13OutΒ· Hamstring |
| 2011 | JAX | 2 | W2OutΒ· ChestW4DoubtfulΒ· GroinW5OutΒ· GroinW6DoubtfulΒ· Groin |
Knox
StatVault's proprietary player intelligence, informed by full career data. How Knox works β
Historical Knox Β· KV-H
Era-normalized career quality β z-scored against 5-season peers. See all β
72
peak 78
Season Report CardsΒ· KV-H era-normalized per season
B+2009
A2010
F2011
A2012
C+2013
Availability
Career durability β games played vs. scheduled, across 5 seasons.
78%
Era Translator
INT translated to the 2025NFL β each season's standing among its own-era peers, projected onto 2025's scoring environment. Modern-era (1999+) coverage.
| Season | Actual INT | INT/G | β 2025 INT | β 2025 /G |
|---|---|---|---|---|
| 2009 | 4 | 0.3 | 3-1 | 0.2 |
| 2010 | 4 | 0.3 | 5+1 | 0.3 |
| 2011 | 0 | 0 | 0 | 0 |
| 2012 | 4 | 0.3 | 5+1 | 0.3 |
| 2013 | 1 | 0.1 | 1 | 0 |
Data: nflverse:players, nflverse:player_stats_def, nflverse:snap_counts, nflverse:draft_picks, nflverse:injuries Β· multi-source verified via the StatVault Oracle Β· updated 6/18/2026
Career Value Β· VORP
89 career value over replacement β #1296 all-time of 4,642. 17.8/season above a replacement-level CB.
Draft OutcomeSteal β
Pick #73 (Rd 3) Β· JAX Β· 2009 Β· +31.1 vs expected KV-H
72actual
40.9 expected Β· Ξ+31.1
Fan Rating
Rate Derek Cox β All-Time
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