Brock Marion ranks in the all-time elite tier for defensive backs — a career that places Marion in the top 10% of all players at the position. The Knox value model assigns Marion a career score of 71, reflecting sustained impact that most players at the position never approach.

FSDET#31ACT

Brock Marion

3× Pro BowlTop 9% all-time defensive backsIron Man

Height6'0"

Weight200 lb

BornJun 11, 1970

Age56

CollegeNevada See College Stats

Rookie yr1993

Draft1993 · Rd 7, Pick 196 · DAL

All-Time Rank & Honors

career ranks, postseason ranks, awards, title context

Regular-season all-time ranks

98thInterceptions·30

Pro Bowls

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 10% all-time). Coaches and teammates could count on them being available.

Career Value · VORP

VORP 155 · #597 · High-Value

Worth 155 points of value above a freely-available replacement safety — top 14% of all 4,642 ranked at the position. 7 of 9 seasons cleared the replacement bar, by +22.1 on average.See board →

Seasons above replacement

7 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

+22.1

Avg surplus

peak +30

7 seasons × ~22.1 surplus ≈ VORP 155

Combined Season Grid

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

1 grid split in one view

Season	Age	Team	G	GS	Defense
Season	Age	Team	G	GS	Tkl	Solo	Ast	TFL	QBHits	Sk	Dis	Int	PD	FF	FR	TD	Sfty
1993	—	DAL	15	—	27	26	—	—	—	0.0	0.0	1	3	1	—	—	—
1994	—	DAL	14	—	43	35	—	—	—	1.0	1.0	1	1	0	—	—	—
1995	—	DAL	16	—	87	69	—	—	—	0.0	0.0	6	16	1	—	—	—
1996	—	DAL	10	—	55	44	—	—	—	0.0	0.0	—	3	0	—	—	—
1997	—	DAL	16	—	124	106	—	—	—	0.0	0.0	—	8	0	—	—	—
1998	—	MIA	16	—	97	70	—	—	—	0.0	0.0	—	3	1	—	—	—
1999	—	MIA	16	—	78	48	30	2	1	1.0	4.0	2	6	0	1	0	0
2000	—	MIA	15	—	84	62	22	0	0	0.0	0.0	4	8	0	1	0	0
2001	—	MIA	14	—	72	48	24	2	0	0.0	2.0	5	7	2	1	2	0
2002	—	MIA	16	—	79	50	29	3	0	0.0	3.0	5	10	0	—	0	0
2003	—	MIA	16	—	73	49	24	0	0	0.0	0.0	3	7	2	—	0	0
2004	—	DET	16	—	81	59	22	0	0	0.0	0.0	3	8	0	—	0	0
Career		—	180	—	900	666	151	7	1	2.0	10.0	30	80	7	3	2	0

Defense

Season	Age	Team	G	GS	Tkl	Solo	Ast	TFL	QBHits	Sk	Dis	Int	PD	FF	FR	TD	Sfty	VAL
1993	23	DAL	15	—	27	26	—	—	—	0.0	0.0	1	3	1	—	—	—	5.5
1994	24	DAL	14	—	43	35	—	—	—	1.0	1.0	1	1	0	—	—	—	4.1
1995	25	DAL	16	—	87	69	—	—	—	0.0	0.0	6	16	1	—	—	—	12.9
1996	26	DAL	10	—	55	44	—	—	—	0.0	0.0	—	3	0	—	—	—	4.1
1997	27	DAL	16	—	124	106	—	—	—	0.0	0.0	—	8	0	—	—	—	9.3
1998	28	MIA	16	—	97	70	—	—	—	0.0	0.0	—	3	1	—	—	—	8.7
1999	29	MIA	16	—	78	48	30	2	1	1.0	4.0	2	6	0	1	0	0	7.2
2000	30	MIA	15	—	84	62	22	0	0	0.0	0.0	4	8	0	1	0	0	9.4
2001	31	MIA	14	—	72	48	24	2	0	0.0	2.0	5	7	2	1	2	0	12.2
2002	32	MIA	16	—	79	50	29	3	0	0.0	3.0	5	10	0	—	0	0	10.2
2003	33	MIA	16	—	73	49	24	0	0	0.0	0.0	3	7	2	—	0	0	9.6
2004	34	DET	16	—	81	59	22	0	0	0.0	0.0	3	8	0	—	0	0	8.8
Career			180		900	666	151	7	1	—	—	30	80	7	3	2	0	102

KV-H Anatomy

KV-H 71 · Great

A great career by KV-H: a peak-driven profile that scores 71 of 100, era-normalized against int/g peers across 9 scored seasons.

Sustained

career value

×.6

Peak

best 3 seasons

×.4

×1

Longevity

career length

Blend 69.8 × longevity 1 = KV-H 71· confidence 100%

What builds the career mark of 65

On-field 45.8

Availability 19.2

On-field production Staying available

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

1993bestavg 65elite 702004

All-Time Standing

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

Depth

of 100

Reached 14% of the all-time Interceptions leader — a rotational/depth all-time profile at the position.

14% of the all-time Interceptions leader14

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: 91%.

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+).

Postseason Career

5 playoff games

Defense

Tkl24Solo15Ast9TFL2Dis2.0Int1PD1

College Stats

NevadaCollege listed; stat table pending import

College stats are not imported for this profile yet.

StatVault has the verified college attribution (Nevada), 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.

1993 Draft Class· this player went #196

#181Greg BiekertMLB #182Tony KimbroughWR #183Bob KuberskiDT #185Jeff ZgoninaDT #186Danan HughesWR #187Patrick RobinsonWR #189Craig KeithTE #194Troy WilsonDE #198Troy BrownWR #200Craig HentrichP #202Doug PelfreyK #203Dave ThomasDB #204Antonio EdwardsDE #207Jessie ArmsteadOLB #208Greg RobinsonRB #209Maa TanuvasaDE

Franchise Succession

the room, before and after

Brock inherited the Miami Dolphins DB room from Sam Madison (1997–2005), and handed it to Patrick Surtain (1998–2004).

J.B. Brown 1989–1996Troy Vincent 1992–1995Calvin Jackson 1994–1999Terrell Buckley 1995–2003Shawn Wooden 1996–2003Sam Madison

Similar Players

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

Movementderived from season history

2004team change
Joined DET (from MIA)
2004final season
Last recorded season with DET
1998team change
Joined MIA (from DAL)
1993draft
Drafted by DAL — Round 7, Pick 196

Athletic & Unique Profile

verified measurements and curated source-tagged facts

6'0" / 200 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 9-season peers. See all →

peak 77

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

C1993

C1994

B+1995

C+1999

B+2000

B+2001

B+2002

B2003

B2004

Availability

Career durability — games played vs. scheduled, across 12 seasons.

94%

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
1993	1	0.1	0-1	0
1994	1	0.1	0-1	0
1995	6	0.4	4-2	0.2
1999	2	0.1	1-1	0.1
2000	4	0.3	3-1	0.2
2001	5	0.4	4-1	0.2
2002	5	0.3	3-2	0.2
2003	3	0.2	2-1	0.1
2004	3	0.2	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 (facts-only reference), espn.com:stats-api (games-played, facts-only reference) · multi-source verified via the StatVault Oracle · updated 6/18/2026

Career Value · VORP

155 career value over replacement — #597 all-time of 4,642. 17.2/season above a replacement-level S.

Draft OutcomeSteal ↑

Pick #196 (Rd 7) · DAL · 1993 · +45.1 vs expected KV-H

71actual

25.9 expected · Δ+45.1

Fan Rating

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Brock Marion

All-Time Rank & Honors

Archetype Intelligence

Career Value · VORP

Combined Season Grid

Defense

KV-H Anatomy

All-Time Standing

Career Aging Trajectory

Postseason Career

Defense

College Stats

Reference Graph

Top Teammates

1993 Draft Class· this player went #196

Franchise Succession

Similar Players

Movementderived from season history

Athletic & Unique Profile

Knox

Era Translator

Career Geography