LBCHI#49RES

Cassius Marsh

Top 43% all-time linebackersSolid Contributor📈 Late Developer · 2018

Height6'4"

Weight254 lb

BornJul 7, 1992

Age34

CollegeUCLA See College Stats

ConferencePacific Twelve

Rookie yr2014

Draft2014 · Rd 4, Pick 108 · SEA

Archetype Intelligence

Solid ContributorExplore archetypes →

A linebacker with a middle-tier career — a rotational or backup contributor who filled their role reliably.

Career Value · VORP

VORP 8 · #3717 · Role Player

Worth 8 points of value above a freely-available replacement linebacker — top 81% of all 4,642 ranked at the position. 2 of 6 seasons cleared the replacement bar, by +4 on average.See board →

Seasons above replacement

2 cleared

4 replaced

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

Replacement

the KC-H bar

→

Seasons over

cleared the bar

Avg surplus

peak +4

2 seasons × ~4 surplus ≈ VORP 8

Combined Season Grid

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

3 grids split in one view

Season	Age	Team	G	GS	Defense													Snap Counts						Advanced Defense & Coverage (2018+)
Season	Age	Team	G	GS	Tkl	Solo	Ast	TFL	QBHits	Sk	Dis	Int	PD	FF	FR	TD	Sfty	Off	Off%	Def	Def%	ST	ST%	Tgt	Cmp	Cmp%	RateAll	ADOT	Prss	Hrry	QBKD	Bltz	MissTkl	Miss%
2014	—	SEA	2	—	5	1	4	0	0	0.0	0.0	0	0	0	—	0	0	—	0.0%	71	20.8%	6	10.0%	—	—	—	—	—	—	—	—	—	—	—
2015	—	SEA	12	—	17	11	6	5	0	0.0	5.0	0	0	0	—	0	0	—	0.0%	190	19.4%	225	51.1%	—	—	—	—	—	—	—	—	—	—	—
2016	—	SEA	13	—	17	11	6	5	5	3.0	13.0	0	0	1	1	0	0	—	0.0%	388	35.6%	347	79.5%	—	—	—	—	—	—	—	—	—	—	—
2017	—	SF	13	—	19	16	3	1	4	3.0	8.0	0	0	3	—	0	0	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
2017	—	NE	15	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0.0%	455	45.9%	267	60.0%	—	—	—	—	—	—	—	—	—	—	—
2018	—	SF	16	—	32	21	11	7	14	5.5	26.5	0	0	0	1	0	0	—	0.0%	550	50.9%	221	47.8%	11	7	0.6	74.4	5.4	31	18	7	6	3	0.1
2019	—	ARI	16	—	32	21	11	7	5	2.5	14.5	0	0	0	—	0	0	—	0.0%	428	37.9%	195	44.3%	7	7	1.0	110.1	-0.6	11	5	3	55	4	0.1
2020	—	IND	6	—	9	7	2	0	1	0.0	1.0	0	0	0	—	0	0	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
2020	—	JAX	8	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0.0%	150	29.4%	131	58.6%	—	—	—	—	—	—	—	—	—	—	—
2020	—	3TM	8	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	3	3	1.0	101.4	3.3	1	0	1	6	6	0.3
2021	—	CHI	2	—	5	3	2	0	2	1.0	3.0	0	0	0	—	0	0	—	0.0%	97	37.5%	35	32.0%	0	0	—	—	—	3	1	1	9	0	0.0
Career		—	111	—	136	91	45	25	31	15.0	71.0	0	0	4	2	0	0	—	0.0%	2,329	34.7%	1,427	47.9%	21	17	—	—	—	46	24	12	76	13	—

Defense

Season	Age	Team	G	GS	Tkl	Solo	Ast	TFL	QBHits	Sk	Dis	FF	FR	VAL
2014	22	SEA	2	0*	5	1	4	0	0	0.0	0.0	0	—	—
2015	23	SEA	12	0*	17	11	6	5	0	0.0	5.0	0	—	4.4
2016	24	SEA	13	0*	17	11	6	5	5	3.0	13.0	1	1	6.6
2017	25	SF	13	0*	19	16	3	1	4	3.0	8.0	3	—	6.8
2018	26	SF	16	8*	32	21	11	7	14	5.5	26.5	0	1	8.8
2019	27	ARI	16	0*	32	21	11	7	5	2.5	14.5	0	—	7
2020	28	IND	6	0*	9	7	2	0	1	0.0	1.0	0	—	2
2021	29	CHI	2	0*	5	3	2	0	2	1.0	3.0	0	—	—
Career			80	8*	136	91	45	25	31	—	—	4	2	35.6

* 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%
2014	22	SEA	5	0*	—	0.0%	71	20.8%	6	10.0%
2015	23	SEA	16	0*	—	0.0%	190	19.4%	225	51.1%
2016	24	SEA	16	0*	—	0.0%	388	35.6%	347	79.5%
2017	25	NE	15	0*	—	0.0%	455	45.9%	267	60.0%
2018	26	SF	16	8*	—	0.0%	550	50.9%	221	47.8%
2019	27	ARI	16	0*	—	0.0%	428	37.9%	195	44.3%
2020	28	JAX	8	0*	—	0.0%	150	29.4%	131	58.6%
2021	29	CHI	4	0*	—	0.0%	97	37.5%	35	32.0%
Career			96	8*	—	—	2,329	—	1,427	—

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

Advanced Defense & Coverage (2018+)

Season	Age	Team	G	GS	Tgt	Cmp	Cmp%	RateAll	ADOT	Prss	Hrry	QBKD	Bltz	MissTkl	Miss%
2018	26	SF	16	8*	11	7	0.6	74.4	5.4	31	18	7	6	3	0.1
2019	27	ARI	16	0*	7	7	1.0	110.1	-0.6	11	5	3	55	4	0.1
2020	28	3TM	8	0*	3	3	1.0	101.4	3.3	1	0	1	6	6	0.3
2021	29	CHI	4	0*	0	0	—	—	—	3	1	1	9	0	0.0
Career			44	8*	21	17	—	—	—	46	24	12	76	13	—

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

KV-H Anatomy

KV-H 46 · Solid

A solid career by KV-H: a well-rounded profile that scores 46 of 100, era-normalized against tackles/g peers across 6 scored seasons.

Sustained

career value

×.6

Peak

best 3 seasons

×.4

×1

Longevity

career length

Blend 46.6 × longevity 1 = KV-H 46· confidence 96%

What builds the career mark of 45

On-field 28.2

Availability 16.8

On-field production Staying available

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

2015bestavg 432020

All-Time Standing

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

Depth

of 100

Reached 8% of the all-time Sacks leader — a rotational/depth all-time profile at the position.

8% of the all-time Sacks leader8

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: 94%.

Per-Snap Impact

Linebackers · proprietary · 2012+

Above average

SIS

Disruption / 100 snaps:3.22See leaderboard →

Disruption/1003.22Snap share34.7%Def snaps2,329VolatileCV 0.43

Production per snap — the box score normalized by opportunity. SIS is z-scored within linebackers, 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 linebackers aging curve. Group peak age: 25. Source: StatVault KV-H era (1999+).

Combine · 2014

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

LB · 2014 class

4.89s

40-Yard

Low · 6th pct

Pos 6thAll 27thClass Pos 26thClass All 35th

32"

Vertical

Below avg · 25th pct

Pos 25thAll 35thClass Pos 33thClass All 41th

108"

Broad Jump

Low · 4th pct

Pos 4thAll 19thClass Pos 8thClass All 22th

14 reps

Bench

Low · 2th pct

Pos 2thAll 13thClass Pos 3thClass All 17th

7.08s

3-Cone

Above avg · 56th pct

Pos 56thAll 59thClass Pos 66thClass All 63th

4.25s

Shuttle

Above avg · 64th pct

Pos 64thAll 65thClass Pos 59thClass All 67th

Postseason Career

3 playoff games

Defense

Tkl3Solo1Ast2QBHits1Dis1.0

College Stats

UCLACollege listed; stat table pending import

College stats are not imported for this profile yet.

StatVault has the verified college attribution (UCLA), 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.

2014 Draft Class· this player went #108

#99Crockett GillmoreTE #101Jaylen WatkinsFS #102Bashaud BreelandCB #103Devonta FreemanRB #104Jalen SaundersWR #105Bryan StorkC #106Bruce EllingtonWR #107Justin EllisDT #109Ross CockrellCB #111Russell BodineC #112DaQuan JonesDT #113Andre WilliamsRB #114Aaron ColvinCB #116Keith McGillS #117Ka'Deem CareyRB #118Martavis BryantWR

Franchise Succession

the room, before and after

Cassius inherited the San Francisco 49ers LB room from Eli Harold (2015–2017), and handed it to Fred Warner (2018–2025).

Bill Romanowski 1988–1993Kevin Mitchell 1994–1997Lee Woodall 1994–1999Tony Peterson 1994–1999Ken Norton 1994–2000Jeff Posey

Similar Players

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

Movementderived from season history

2021team change
Joined CHI (from IND)
2021final season
Last recorded season with CHI
2020team change
Joined IND (from ARI)
2019team change
Joined ARI (from SF)
2017team change
Joined SF (from SEA)
2014draft
Drafted by SEA — Round 4, Pick 108

Athletic & Unique Profile

verified measurements and curated source-tagged facts

6'4" / 254 lb

Frame

252 lb at 4.89s

Size-speed

32" vert / 108" broad

Explosion

14 reps

Bench power

Injury History

2 career games missed (Out)

From nflverse weekly injury reports · coverage begins 2009.

Season	Team	Games Out	Designations
2021	CHI	1	W14Out· Knee
2018	SF	0	W15Questionable· Concussion
2017	NE	0	W8Questionable· ShoulderW10Questionable· ShoulderW11Questionable· Shoulder
2014	SEA	1	W7Out· Foot

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 49

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

C2015

C2016

C2017

C+2018

C+2019

F2020

Availability

Career durability — games played vs. scheduled, across 8 seasons.

74%

Era Translator

Tackles 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 Tackles	Tackles/G	→ 2025 Tackles	→ 2025 /G
2015	17	1.4	4-13	0.2
2016	17	1.3	7-10	0.4
2017	19	1.5	11-8	0.7
2018	32	2	25-7	1.5
2019	32	2	26-6	1.5
2020	9	1.5	23+14	1.3

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

8 career value over replacement — #3717 all-time of 4,642. 1.3/season above a replacement-level LB.

Draft OutcomeValue ↑

Pick #108 (Rd 4) · SEA · 2014 · +9.2 vs expected KV-H

46actual

36.8 expected · Δ+9.2

Fan Rating

Rate Cassius Marsh — All-Time

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Archetype Intelligence

Career Value · VORP

Combined Season Grid

Defense

Snap Counts

Advanced Defense & Coverage (2018+)

KV-H Anatomy

All-Time Standing

Per-Snap Impact

Career Aging Trajectory

Combine · 2014

Postseason Career

Defense

College Stats

Reference Graph

Top Teammates

2014 Draft Class· this player went #108

Franchise Succession

Similar Players

Movementderived from season history

Athletic & Unique Profile

Injury History

Knox

Era Translator

Career Geography