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

ILBWAS#54ACT

Mason Foster

Top 11% all-time linebackersElite Playmaker📈 Late Developer · 2016

Height6'1"

Weight250 lb

BornMar 1, 1989

Age37

CollegeWashington See College Stats

ConferencePacific Twelve

Rookie yr2011

Draft2011 · Rd 3, Pick 84 · TB

Archetype Intelligence

Elite PlaymakerExplore archetypes →

A top 20% all-time linebacker who consistently made an impact across multiple seasons. Lower snap-level production reinforces the playmaking ability.

Career Value · VORP

VORP 112 · #969 · High-Value

Worth 112 points of value above a freely-available replacement linebacker — top 22% of all 4,642 ranked at the position. 6 of 8 seasons cleared the replacement bar, by +18.7 on average.See board →

Seasons above replacement

6 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

+18.7

Avg surplus

peak +27

6 seasons × ~18.7 surplus ≈ VORP 112

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%
2011	—	TB	15	—	76	50	26	5	4	2.0	11.0	1	2	1	1	0	0	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
2012	—	TB	16	—	90	66	24	13	3	2.0	18.0	1	1	0	1	0	0	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
2013	—	TB	15	—	82	53	29	6	7	2.0	15.0	3	7	1	—	2	0	—	0.0%	771	79.3%	72	17.6%	—	—	—	—	—	—	—	—	—	—	—
2014	—	TB	10	—	50	28	22	2	1	0.0	3.0	0	2	0	—	0	0	—	0.0%	556	84.4%	11	8.0%	—	—	—	—	—	—	—	—	—	—	—
2015	—	WAS	7	—	34	24	10	1	0	0.0	1.0	0	0	1	1	0	0	—	0.0%	260	43.6%	160	43.1%	—	—	—	—	—	—	—	—	—	—	—
2016	—	WAS	16	—	113	78	35	9	5	1.0	15.0	0	3	0	—	0	0	—	0.0%	770	69.9%	174	39.5%	—	—	—	—	—	—	—	—	—	—	—
2017	—	WAS	5	—	27	19	8	1	2	0.5	3.5	1	1	0	1	0	0	—	0.0%	288	88.4%	38	25.8%	—	—	—	—	—	—	—	—	—	—	—
2018	—	WAS	16	—	114	64	50	4	1	1.0	6.0	2	4	0	2	0	0	—	0.0%	1,014	97.8%	36	19.7%	77	59	0.8	86.6	3.6	5	5	0	77	12	0.1
Career		—	100	—	586	382	204	41	23	8.5	72.5	8	20	3	6	2	0	—	0.0%	3,659	77.2%	491	25.6%	77	59	—	—	—	5	5	0	77	12	—

Defense

Season	Age	Team	G	GS	Tkl	Solo	Ast	TFL	QBHits	Sk	Dis	Int	PD	FF	FR	TD	VAL
2011	22	TB	15	—	76	50	26	5	4	2.0	11.0	1	2	1	1	0	8.8
2012	23	TB	16	—	90	66	24	13	3	2.0	18.0	1	1	0	1	0	9.7
2013	24	TB	15	12*	82	53	29	6	7	2.0	15.0	3	7	1	—	2	12.1
2014	25	TB	10	8*	50	28	22	2	1	0.0	3.0	0	2	0	—	0	4.2
2015	26	WAS	7	0*	34	24	10	1	0	0.0	1.0	0	0	1	1	0	3.1
2016	27	WAS	16	11*	113	78	35	9	5	1.0	15.0	0	3	0	—	0	8.9
2017	28	WAS	5	4*	27	19	8	1	2	0.5	3.5	1	1	0	1	0	3.3
2018	29	WAS	16	16*	114	64	50	4	1	1.0	6.0	2	4	0	2	0	10.1
Career			100	51*	586	382	204	41	23	—	—	8	20	3	6	2	60.2

* 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	24	TB	15	12*	—	0.0%	771	79.3%	72	17.6%
2014	25	TB	10	8*	—	0.0%	556	84.4%	11	8.0%
2015	26	WAS	13	0*	—	0.0%	260	43.6%	160	43.1%
2016	27	WAS	16	11*	—	0.0%	770	69.9%	174	39.5%
2017	28	WAS	5	4*	—	0.0%	288	88.4%	38	25.8%
2018	29	WAS	16	16*	—	0.0%	1,014	97.8%	36	19.7%
Career			75	51*	—	—	3,659	—	491	—

* 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	29	WAS	16	16*	77	59	0.8	86.6	3.6	5	5	0	77	12	0.1
Career			16	16*	77	59	—	—	—	5	5	0	77	12	—

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

KV-H Anatomy

KV-H 66 · Strong Starter

A strong starter career by KV-H: a peak-driven profile that scores 66 of 100, era-normalized against tackles/g peers across 8 scored seasons.

Sustained

career value

×.6

Peak

best 3 seasons

×.4

×1

Longevity

career length

Blend 66.2 × longevity 1 = KV-H 66· confidence 94%

What builds the career mark of 63

On-field 45.9

Availability 17.1

On-field production Staying available

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

2011bestavg 59elite 702018

All-Time Standing

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

Depth

of 100

Reached 4% of the all-time Sacks leader — a rotational/depth all-time profile at the position.

4% of the all-time Sacks leader4

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%.

Per-Snap Impact

Linebackers · proprietary · 2012+

Rotational

SIS

Disruption / 100 snaps:1.872See leaderboard →

Disruption/1001.872Snap share77.2%Def snaps3,659VolatileCV 0.52

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 · 2011

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

LB · 2011 class

4.75s

40-Yard

Below avg · 30th pct

Pos 30thAll 39thClass Pos 36thClass All 38th

31"

Vertical

Low · 15th pct

Pos 15thAll 28thClass Pos 33thClass All 32th

110"

Broad Jump

Low · 8th pct

Pos 8thAll 25thClass Pos 22thClass All 27th

22 reps

Bench

Below avg · 49th pct

Pos 49thAll 56thClass Pos 50thClass All 52th

7.14s

3-Cone

Below avg · 45th pct

Pos 45thAll 51thClass Pos 32thClass All 38th

4.45s

Shuttle

Low · 14th pct

Pos 14thAll 34thClass Pos 17thClass All 27th

Postseason Career

1 playoff game

Defense

Tkl8Solo5Ast3TFL2Dis2.0

College Stats

WashingtonCollege listed; stat table pending import

College stats are not imported for this profile yet.

StatVault has the verified college attribution (Washington), 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.

2011 Draft Class· this player went #84

#76Will RackleyG #77Jurrell CaseyDE #78Austin PettisWR #79Leonard HankersonWR #80Chris CulliverDB #81DeMarcus Van DykeDB #82Vincent BrownWR #83Jerrel JerniganWR #85Jah ReidOT #86Allen BaileyDE #87Drake NevisDT #88Johnny PatrickCB #89Shareece WrightDB #91Akeem DentOLB #92Joe BarksdaleOT #93Chris ConteFS

Franchise Succession

the room, before and after

Mason inherited the Tampa Bay Buccaneers LB room from Geno Hayes (2008–2011), and handed it to Mark Barron (2012–2013).

Hardy Nickerson 1993–1999Lonnie Marts 1994–1996Derrick Brooks 1995–2008Alshermond Singleton 1997–2002Shelton Quarles 1997–2006Jamie Duncan

Similar Players

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

Movementderived from season history

2018final season
Last recorded season with WAS
2015team change
Joined WAS (from TB)
2011draft
Drafted by TB — Round 3, Pick 84

Athletic & Unique Profile

verified measurements and curated source-tagged facts

6'1" / 250 lb

Frame

245 lb at 4.75s

Size-speed

31" vert / 110" broad

Explosion

22 reps

Bench power

Injury History

4 career games missed (Out)

From nflverse weekly injury reports · coverage begins 2009.

Season	Team	Games Out	Designations
2017	WAS	1	W3Questionable· ShoulderW4Questionable· ShoulderW7Questionable· ShoulderW8Out· Shoulder
2014	TB	2	W3Out· ShoulderW4Out· ShoulderW5Questionable· ShoulderW14Questionable· Achilles / Not Injury RelatedW15Questionable· AchillesW16Questionable· AchillesW17Doubtful· Achilles
2013	TB	1	W12Out· Concussion
2011	TB	0	W6Questionable· Ankle

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 8-season peers. See all →

peak 71

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

B2011

B2012

B2013

C+2014

C2015

B+2016

D2017

B+2018

Availability

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

83%

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
2011	76	5.1	77+1	4.5
2012	90	5.6	85-5	5
2013	82	5.5	77-5	4.5
2014	50	5	66+16	3.9
2015	34	4.9	66+32	3.9
2016	113	7.1	110-3	6.5
2017	27	5.4	80+53	4.7
2018	114	7.1	112-2	6.6

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

112 career value over replacement — #969 all-time of 4,642. 14/season above a replacement-level LB.

Draft OutcomeSteal ↑

Pick #84 (Rd 3) · TB · 2011 · +27.3 vs expected KV-H

66actual

38.7 expected · Δ+27.3

Fan Rating

Rate Mason Foster — All-Time

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Compare Mason Foster vs Player Report data error

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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 · 2011

Postseason Career

Defense

College Stats

Reference Graph

Top Teammates

2011 Draft Class· this player went #84

Franchise Succession

Similar Players

Movementderived from season history

Athletic & Unique Profile

Injury History

Knox

Era Translator