#29

Jalen Alexander

Senior safety on Duke's 2021 roster.

S · Duke · Sr. · #29

5′11″ · 160 lb · Loganville, GA

CFB Index 53 · #229 of 509 safetiesMedium confidenceDuke 2021 alumnus

Recruiting

3★

CB recruit

No. 889 nationally · Signed with Duke

No college snaps yet.

His career numbers, season by season

The story

4 safety on Duke's roster.

Signed as a 3-star recruit to Duke in 2019.

His career, year by year

How it ended

Three seasons at Duke, 84 tackles — his college career is complete.

His career

He was on the field for 3 seasons. That is rarer than it sounds.

201910 games

Signed with Duke3-star out of Grayson

Career arc

Recruit

★★★

#889 national

CFB

College

Duke

2019–2021

NFL

NFL Draft

—

Not drafted

Coaching lineage · 2019–2021

1 coach

2019–2021

David Cutcliffe

Duke

Played his entire career under David Cutcliffe.

2021 snapshot

Season context · Team result + system

3 seasons under David Cutcliffe — 10-25 over that span.

2019Duke5-7HC: David Cutcliffe · Run-leaning

2020Duke2-9HC: David Cutcliffe · Balanced

2021Duke3-9HC: David Cutcliffe · Run-leaning, fast tempo

Where this defender ranks vs the field

Box-score production percentiles vs the position cohort

53Rotational starter #229 of 509?

Medium confidence6 metrics · season cumulative

Elite: passes defended (91st percentile). Strength: solo tackles (82nd percentile). Concern: sacks (24th percentile).

Box-score production (6)

Passes defended#207 / 2743 · 91st pct

Solo tackles#481 / 2743 · 82nd pct

Tackles#843 / 2743 · 69th pct

QB hurries#827 / 2743 · 59th pct

Tackles for loss#1411 / 2743 · 44th pct

2.0

Sacks#1435 / 2743 · 24th pct

0.0

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

2021 season · 11 games

Home/Road · Season halves

Home vs Road

	TKL/g	TFL/g	SACK/g	PD/g
Home6g	3.2	0.2	0.0	0.3
Road5g	4.6	0.1	0.0	0.6

First half vs Second half

	TKL/g	TFL/g	SACK/g	PD/g
Weeks 1-77g	3.3	0.1	0.0	0.6
Weeks 8+4g	4.8	0.4	0.0	0.2

Supporting cast · Scheme

Staff and system around the player

2026 season

Head Coach

Manny Diaz

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

Awards

Player standing · 2021

Part-time starter

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

Recognition

Roster2-deepStarterRecognizedEliteApex

Production · CFB Index Score

53 · #229 of 509 safeties

Three-star recruit. Now #229 at the position.

Career stats

Season	Team
2021	Duke	42	33	2.0	5	--	--
2020	Duke	25	20	1.0	2	--	--
2019	Duke	17	13	1.0	--	2	1
Career		84	66	4.0	7	2	1

Signature game

SIGNATURE GAME · Week 2 · 2021

W 45–17

vs North Carolina A&T

3 SOLO · 4 TOT

Dominant 28-point win at home against North Carolina A&T.

With G. Holmberg — 270 yds · 0 TD · 0 INT · QBR 89.6 · 30 rush yds (5 car) · 2 TD · P. Wilson — 53 AVG · 2 IN 20 · 69 LONG

Game log

Game log · Week-by-week

2021 season · 11 games

Box score · CFBD

Wk	Opp	TKL	SOLO	TFL	INT	PD	Note
Wk 1	L 28-31@ Charlotte	9	7	0.5	—	0	Season-high 9 tackles
Wk 2	W 45-17vs North Carolina A&T	4	3	0.0	—	0
Wk 3	W 30-23vs Northwestern	1	1	0.0	—	0
Wk 4	W 52-33vs Kansas	1	0	0.0	—	0
Wk 5	L 7-38@ North Carolina	3	3	0.0	—	1
Wk 6	L 27-31vs Georgia Tech	0	0	0.0	—	2
Wk 7	L 0-48@ Virginia	5	4	0.0	—	1
Wk 9	L 7-45@ Wake Forest	3	3	0.0	—	0
Wk 10	L 29-54vs Pittsburgh	4	3	0.0	—	0
Wk 11	L 17-48@ Virginia Tech	3	3	0.0	—	1
Wk 13	L 10-47vs Miami	9	6	1.5	—	0
Total		42	33	2.0	—	5

Stats from CFBD · ESPN · fan discourse. Every figure computed from source tables — not invented. Methodology

Jalen Alexander

201910 games

2021 snapshot

Splits & context

Awards

Part-time starter

Career stats

Signature game

Game log

How he plays

DNA match

Hybrid Nickel

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