Marlen Sewell

Senior safety on Vanderbilt's 2025 roster.

S · Vanderbilt · Sr. · #7

6′1″ · 198 lb · Birmingham, AL

CFB Index 45 · #320 of 544 safetiesMedium confidenceReturning to Vanderbilt for 2026

Recruiting

3★

CB recruit

No. 1426 nationally · Signed with Vanderbilt

No college snaps yet.

His career numbers, season by season

The story

4 safety on Vanderbilt's 2025 roster.

Signed as a 3-star recruit to Vanderbilt in 2021.

His career, year by year

How he projects

Moves between deep coverage and the slot.

The full scouting read

Marlen Sewell

S · Vanderbilt · Sr · #7

Moves between deep coverage and the slot. This is his fifth year in the same secondary at Vanderbilt. The receipt: 8 tackles against Texas — Week 10, 2025.

Low coverage — composed from the verified record.

positional archetype classification
seasons on the roster
game log

2025 snapshot

Season context · Team result + system

5 seasons under Clark Lea — 26-36 over that span.

2021Vanderbilt2-10HC: Clark Lea · Balanced

2022Vanderbilt5-7HC: Clark Lea · Run-leaning

2023Vanderbilt2-10HC: Clark Lea · Balanced, slow tempo

2024Vanderbilt7-6HC: Clark Lea · Run-heavy, slow tempo

2025Vanderbilt10-3HC: Clark Lea · Balanced, slow tempo

Where this defender ranks vs the field

Box-score production percentiles vs the position cohort

45Rotational starter #320 of 544?

Medium confidenceAscending6 metrics · season cumulative

Elite: tackles (81st percentile).

Box-score production (6)

Tackles#550 / 2975 · 81st pct

Solo tackles#608 / 2975 · 79th pct

Passes defended#777 / 2975 · 67th pct

QB hurries#1007 / 2975 · 55th pct

Sacks#1367 / 2975 · 51st pct

0.5

Tackles for loss#1711 / 2975 · 39th pct

1.5

Percentiles are versus same-position peers with enough snaps this season, based on box-score production. There are no play-by-play efficiency bars here: CFBD's play-value model credits offensive players only, so no defensive EPA exists to rank.

Splits & context

Splits · Per-game

2025 season · 12 games

Home/Road · Season halves

Home vs Road

	TKL/g	TFL/g	SACK/g	PD/g
Home7g	4.0	0.1	0.1	0.0
Road5g	4.8	0.2	0.0	0.4

First half vs Second half

	TKL/g	TFL/g	SACK/g	PD/g
Weeks 1-76g	3.8	0.0	0.0	0.0
Weeks 8+6g	4.8	0.2	0.1	0.3

Supporting cast · Scheme

Staff and system around the player

2026 season

Head Coach

Clark Lea

Scheme reads (pass share, tempo, sack rate) need at least 3 team games — 2 games in so far.

Awards

Player standing · 2025

Part-time starter

Tackle volume for the position in part-time-starter range.

Recognition

Roster2-deepStarterRecognizedEliteApex

Production · CFB Index Score

45 · #320 of 544 safeties

Three-star recruit. Now #320 at the position.

2026 outlook

Outside shot for All-SEC

Based on 2025: #17 of 28 SEC Ss

How the All-SEC estimate is computed

22% estimated, 95% confidence interval 19–25%. Base rate measured from players who finished at a comparable rank in their conference and came back the next season. It is an estimate from a small sample, not a forecast of this player.

Career stats

Season	Team
2025	Vanderbilt	52	28	1.5	0.5	2	--	--
2024	Vanderbilt	19	10	0.0	0.0	1	--	--
2023	Vanderbilt	25	12	1.0	0.0	--	--	--
2022	Vanderbilt	1	--	0.0	0.0	--	--	--
2021	Vanderbilt	3	3	0.0	0.0	--	--	--
Career		100	53	2.5	0.5	3	--	--

Signature game

SIGNATURE GAME · Week 14 · 2025

W 45–24

at Tennessee

1 PD · 6 TOT · 2 SOLO

Dominant 21-point win on the road against Tennessee.

With D. Pavia — 268 yds · 1 TD · 2 INT · QBR 92.8 · 165 rush yds (20 car) · 1 TD · T. Richardson — 6 rec · 75 yds · 1 TD

Game log

Game log · Week-by-week

2025 season · 12 games

Box score · CFBD

Wk	Opp	TKL	SOLO	TFL	SACK	INT	PD	Note
Wk 2	W 44-20@ Virginia Tech	5	3	0.0	0.0	—	0
Wk 3	W 31-7@ South Carolina	1	0	0.0	0.0	—	0
Wk 4	W 70-21vs Georgia State	2	1	0.0	0.0	—	0
Wk 5	W 55-35vs Utah State	7	3	0.0	0.0	—	0
Wk 6	L 14-30@ Alabama	4	3	0.0	0.0	—	0
Wk 8	W 31-24vs LSU	2	0	0.0	0.0	—	0
Wk 9	W 17-10vs Missouri	6	4	0.0	0.0	—	0
Wk 10	L 31-34@ Texas	8	4	0.0	0.0	—	1	Season-high 8 tackles
Wk 11	W 45-38vs Auburn	4	4	0.0	0.0	—	0
Wk 13	W 45-17vs Kentucky	3	1	0.5	0.5	—	0
Wk 14	W 45-24@ Tennessee	6	2	1.0	0.0	—	1
Bowl	L 27-34vs Iowa	4	3	0.0	0.0	—	0
Total		52	28	1.5	0.5	—	2

How he plays

Play style

Moves between deep coverage and the slot — the modern positionless DB.

CFB Index positional classification

Activity vs finishing · season enumeration

What the box score actually says

12 games

52Tackles

28Solo

1.5TFL

0.5Sacks

2Pass def.

0INT

52 tackles. 2 passes defended. 0 interceptions. 1.5 TFL.

Week 101 PD
Week 130.5 sacks
Week 141 PD

Counts only, never a rate — splash-event sample sizes this small (interceptions, pass breakups, TFL) are noise as a rate and signal only as a tally.

2026 Outlook

Vanderbilt

2026 Depth chart

Projected starter

Safety · Vanderbilt

Returning around him

1 Vanderbilt player drafted to NFL
Transfer portal: -2 net (18 in / 20 out)

2026 Award watch

No preseason watch lists yet (most drop June 15 – July 15)

Vanderbilt · Last season: 10-3 (AP #13) · Talent rank #42 · 2026 recruiting class #33

DNA match

Player DNA

Hybrid Nickel

Moves between deep coverage and the slot — the modern positionless DB.

His 2025 production profile sits closest to Rante Jones’s 2024 season.

Rante Jones

90%match

UConn · 2024

Chase Williams

San José State · 2023

89%

Isaac White

Wyoming · 2024

89%

Jalen Stroman

Virginia Tech · 2023

88%

Kamren Fabiculanan

Washington · 2024

87%

Matches Rante on

PD rate

Height

TFL rate

Not enough data yet for this comparison.

As a graduate, his production profile tracks closest to Kamren Fabiculanan's graduate season at Washington (2024).

Kamren Fabiculanan

94%match

Washington · 2024

Javon Mcintyre

Pittsburgh · 2025

88%

Tyree Skipper

Louisiana · 2025

All-Sun Belt

87%

Marcus Fuqua

Buffalo · 2024

All-MAC

85%

Muhammed Jammeh

Northern Illinois · 2025

85%

Matches Kamren on

Class year

PD rate

Weight

Player DNA

Players who play like Marlen Sewell

Muhammed Jammeh

Northern Illinois · 2023

94%

Javon Mcintyre

Pittsburgh · 2025

87%

McKel Broussard

UTEP · 2023

84%

Makell Esteen

Washington · 2025

83%

Cyrus Mcgarrell