#10

AJ Vongphachanh

Senior linebacker for BYU. 2023: 85 tackles, 5.5 tackles for loss.

LB · BYU · Sr. · #10

6′3″ · 235 lb · Pasco, WA

CFB Index 50 · #289 of 577 LBsHigh confidenceBYU 2023 alumnus

Recruiting

3★

OLB recruit

No. 2117 nationally · Signed with Utah State

Statement game17 tackles · 1 TFL · 1 sackat Nevada (FBS) · L 9-34

Top 0.1% tackles game since 2021.

His career numbers, season by season

The story

4 linebacker for BYU. 2023: 85 tackles, 5.5 tackles for loss.

Signed as a 3-star recruit to Utah State in 2019.
Transferred from Utah State to BYU in 2023.

His career, year by year

How it ended

Five seasons at BYU, 298 tackles — his college career is complete.

His career

He barely played early on. Then he did not come off the field.

20194 games

Signed with Utah State3-star out of Chiawana

202312 games

The role got bigger.

Entered the portal

Career arc

Recruit

★★★

#2117 national

CFB

College

2 teams

2019–2023

NFL

NFL Draft

—

Not drafted

Coaching lineage · 2019–2023

1 coach

2019–2023

Kalani Sitake

BYU

Played his entire career under Kalani Sitake.

2023 snapshot

Season context · Team result + system

2019Utah State7-6HC: Gary Andersen · Balanced

2020Utah State1-5HC: Frank Maile · Balanced, slow tempo

2021Utah State11-3HC: Blake Anderson · Balanced, fast tempo

2022Utah State6-7HC: Blake Anderson · Run-leaning

2023BYU5-7HC: Kalani Sitake · Balanced

Where this defender ranks vs the field

Box-score production percentiles vs the position cohort

50Rotational starter #289 of 577?

High confidence6 metrics · season cumulative

Elite: tackles (96th percentile). Strength: qb hurries (93rd percentile). Concern: sacks (24th percentile).

Box-score production (6)

Tackles#108 / 2842 · 96th pct

QB hurries#147 / 2842 · 93rd pct

Solo tackles#402 / 2842 · 85th pct

Tackles for loss#459 / 2842 · 82nd pct

5.5

Passes defended#1113 / 2842 · 50th pct

Sacks#1503 / 2842 · 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

2023 season · 12 games

Home/Road · Season halves

Home vs Road

	TKL/g	TFL/g	SACK/g	PD/g
Home6g	6.3	0.6	0.0	0.0
Road6g	7.8	0.3	0.0	0.2

First half vs Second half

	TKL/g	TFL/g	SACK/g	PD/g
Weeks 1-76g	6.5	0.4	0.0	0.0
Weeks 8+6g	7.7	0.5	0.0	0.2

Supporting cast · Scheme

Staff and system around the player

2026 season

Head Coach

Kalani Sitake

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

Awards

Player standing · 2023

Starter

Tackle volume for the position at a full-time starter's level.

Recognition

Roster2-deepStarterRecognizedEliteApex

Production · CFB Index Score

50 · #289 of 577 LBs

Three-star recruit. Now #289 at the position.

Career stats

Season	Team
2023	BYU	85	33	5.5	0.0	1	--	--
2022	Utah State	92	33	7.0	2.0	3	--	--
2021	Utah State	55	18	7.0	2.0	--	--	--
2020	Utah State	50	27	3.5	3.0	1	--	--
2019	Utah State	16	6	0.0	0.0	--	--	--
Career		298	117	23.0	7.0	5	--	--

Signature game

SIGNATURE GAME · Week 2 · 2023

W 41–16

vs Southern Utah

2 QB HUR · 2 TOT

Dominant 25-point win at home against Southern Utah.

With K. Slovis — 348 yds · 4 TD · 1 INT · QBR 81.7 · 6 rush yds (1 car) · 1 TD · R. Rehkow — 47 AVG · 2 IN 20 · 64 LONG

Game log

Game log · Week-by-week

2023 season · 12 games

Box score · CFBD

Wk	Opp	TKL	SOLO	TFL	INT	PD	Note
Wk 1	W 14-0vs Sam Houston	5	1	0.5	—	0
Wk 2	W 41-16vs Southern Utah	2	0	0.0	—	0
Wk 3	W 38-31@ Arkansas	10	4	0.0	—	0
Wk 4	L 27-38@ Kansas	7	5	1.5	—	0
Wk 5	W 35-27vs Cincinnati	10	2	0.5	—	0
Wk 7	L 11-44@ TCU	5	3	0.0	—	0
Wk 8	W 27-14vs Texas Tech	7	4	1.0	—	0
Wk 9	L 6-35@ Texas	7	2	0.5	—	0
Wk 10	L 7-37@ West Virginia	3	2	0.0	—	0
Wk 11	L 13-45vs Iowa State	8	3	0.0	—	0
Wk 12	L 24-31vs Oklahoma	6	1	1.5	—	0
Wk 13	L 34-40@ Oklahoma State	15	6	0.0	—	1	Season-high 15 tackles
Total		85	33	5.5	—	1

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