Taisun Phommachanh

Former quarterback at Massachusetts. 2024: 1,590 passing yards, 8 TD, 6 INT.

QB · Massachusetts · Sr. · #3

6′4″ · 215 lb · Bridgeport, CT

CFB Index 34 · #101 of 137 QBsHigh confidenceMassachusetts 2024 — college career complete

Recruiting

4★

DUAL recruit

No. 217 nationally · Signed with Clemson

No college snaps yet.

His career numbers, season by season

The story

Former quarterback at Massachusetts. 2024: 1,590 passing yards, 8 TD, 6 INT.

Signed as a 4-star recruit to Clemson in 2019.
Transferred from Georgia Tech to Massachusetts in 2023.

His career, year by year

How it ended

Six seasons at Massachusetts, 3,314 passing yards — his college career is complete.

His career

3 programs, one constant: he played.

20193 games

Signed with Clemson4-star out of Avon Old Farms

2022

Entered the portal

20239 games

The role got bigger.

Entered the portal

Career arc

Recruit

★★★★

#217 national

CFB

College

3 teams

2019–2024

NFL

NFL Draft

—

Not drafted

Coaching lineage · 2019–2024

4 coaches

2019–2020

Walt Bell

Massachusetts

2021

Alex Miller

Massachusetts

era →

2022–2023

Don Brown

Massachusetts

era →

2024

Shane Montgomery

Massachusetts

era →

Played under 4 different head coaches: Walt Bell, Alex Miller, Don Brown, and Shane Montgomery. Multi-era developmental context.

2024 snapshot

Season context · Team result + system

2019Clemson14-1HC: Dabo Swinney · Balanced

2020Clemson10-2HC: Dabo Swinney · Balanced, fast tempo

2021Clemson10-3HC: Dabo Swinney · Pass-leaning, fast tempo

2022Georgia Tech5-7HC: Brent Key · Balanced

2023Massachusetts3-9HC: Don Brown · Balanced, slow tempo

2024Massachusetts2-10HC: Shane Montgomery · Run-leaning

Where this profile ranks vs the QB cohort

Box-score + play-by-play EPA percentiles

34Below cohort / limited sample #101 of 137?

High confidence13 metrics · season cumulative

Concern: sack rate (14th percentile).

Real play-by-play efficiency

Interception rate#67 / 169 · 61st pct

1.8%

EPA / dropback#87 / 169 · 49th pct

0.22

Explosive rate#96 / 169 · 43rd pct

9.6%

Success rate#138 / 169 · 19th pct

36.1%

Sack rate#145 / 169 · 14th pct

9.1%

Box-score rates (8)

Fumbles lost#21 / 159 · 73rd pct

Rush yards#47 / 165 · 72nd pct

317

Interceptions#49 / 165 · 62nd pct

Rush TDs#63 / 165 · 56th pct

Pass yards#113 / 165 · 32nd pct

1590

Yards / att#119 / 165 · 27th pct

6.8

Pass TDs#126 / 165 · 23rd pct

Completion %#139 / 165 · 16th pct

56.4%

Season trend

Last seasonThis season

EPA / dropback

17th → 49th percentile

Success rate

23rd → 19th percentile

Explosive rate

46th → 43rd percentile

Sack rate

39th → 14th percentile

Interception rate

14th → 61st percentile

Percentiles versus same-position peers with enough snaps this season. Most bars are box-score rates; EPA / success-rate bars are computed from real play-by-play (offense only — no defensive EPA model exists yet).

Passing profile

Pass Profile · Completions by yards gained (PBP)

Adjusted ANY/A, sack rate, and where the yards came from

131/219 (59.8%) · 8 TD · 6 INT

219 of 234 attempts matched to play-by-play

Adjusted ANY/A

5.41145 of 205 QBs

Sack rate

8.6%170 of 205 QBs

Sacked on 8.6% of dropbacks (170 of 205) and Adjusted ANY/A trails the field (145 of 205).

Adjusted ANY/A uses full-season box-score totals (attempts, yards, TDs, INTs); sack rate is play-by-play-derived.

Short

0–9 yds

51%of completions

67 comp4.6 yds avg1 TD

Middle

10–19 yds

33%of completions

43 comp13.6 yds avg3 TD

Deep

20+ yds

16%of completions

21 comp33.1 yds avg4 TD

Overall 59.8% completion on 219 attempts · 21 deep completions averaging 33.1 yds.

Situational

Is he a different quarterback when it matters

Each situation vs his own 2024 baseline

No situation moves him more than 37 percentile points from his baseline.

BaselineThis situation

Down 1

-37 pct pts vs baseline · sacks 6/81 (7.4%) · league sack rate 4.9% · ~our read

Down 2

+15 pct pts vs baseline · sacks 3/76 (3.9%) · league sack rate 4.9% · ~our read

Down 3+

+26 pct pts vs baseline · sacks 9/70 (12.9%) · league sack rate 8.1% · ~our read

Deltas are vs. this player’s own season baseline, never a league average. League sack rate by down is shown as context because sack attribution isn’t incompletion-denominated.

Splits & context

Splits · Per-game

2024 season · 9 games

Home/Road · Season halves

Home vs Road

	YDS/g	TD/g	YPA	INT/g
Home4g	181	1.0	7.2	0.8
Road5g	173	0.8	6.2	0.6

First half vs Second half

	YDS/g	TD/g	YPA	INT/g
Weeks 1-77g	202	1.0	7.0	0.6
Weeks 8+2g	89.0	0.5	5.5	1.0

Supporting cast · Scheme

Staff and system around the player

2026 season

Head Coach

Joe Harasymiak

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

Awards

Player standing · 2024

Part-time starter

Splitting first-team reps — starts some weeks, rotates others.

Recognition

Roster2-deepStarterRecognizedEliteApex

Production · CFB Index Score

34 · #101 of 137 QBs

Former four-star. Now #101 at the position.

Career stats

Season	Team
2024	Massachusetts	132	234	56.4%	1,590	6.8	8	6	119.6	39	--	--
2023	Massachusetts	139	227	61.2%	1,507	6.6	6	6	120.4	26	--	--
2022	Georgia Tech	2	5	40.0%	13	2.6	0	1	21.8	--	--	--
2021	Clemson	11	19	57.9%	131	6.9	1	1	122.7	--	--	--
2020	Clemson	5	17	29.4%	17	1.0	0	1	26.0	--	--	--
2019	Clemson	6	12	50.0%	56	4.7	0	1	72.5	--	--	--
Career		295	514	57.4%	3,314	6.4	15	16	115.0	33	--	--

Season	Team
2024	Massachusetts	107	317	3.0	3	--
2023	Massachusetts	48	38	0.8	2	--
2022	Georgia Tech	15	56	3.7	2	--
2021	Clemson	11	69	6.3	1	--
2020	Clemson	6	26	4.3	0	--
2019	Clemson	12	56	4.7	0	--
Career		199	562	2.8	8	--

Signature game

SIGNATURE GAME · Week 4 · 2024

W 35–31

vs Central Connecticut

287 yds · 3 TD · 1 INT · QBR 68.3 · 43 rush yds (8 car)

Edged out Central Connecticut at home in a shootout.

With T. Harding — 2 rec · 72 yds · 1 TD · C. Kolodziey — 43 AVG · 46 LONG · 3 NO

Signature plays

Signature plays · top plays by |EPA|

The plays that mattered most

fact

Week 5 · Miami (OH) · 3&13 · Q1 · EPA +6.97Taisun Phommachanh pass complete to Jakobie Keeney-James for 64 yds for a TD (Jacob Lurie KICK)
Week 4 · Central Connecticut · 2&7 · Q3 · EPA +5.19Taisun Phommachanh pass complete to T.Y. Harding for 57 yds for a TD (Jacob Lurie KICK)
Week 6 · Northern Illinois · 1&10 · Q1 · EPA +4.56Taisun Phommachanh pass complete to T.Y. Harding for 58 yds for a TD (Jacob Lurie KICK)
Week 1 · Eastern Michigan · 3&16 · Q2 · EPA +4.05Taisun Phommachanh pass complete to Jakobie Keeney-James for 31 yds to the EMU 39 for a 1ST down
Week 7 · Missouri · 3&9 · Q2 · EPA -3.99Taisun Phommachanh pass intercepted Corey Flagg Jr. return for no gain to the MASS 15
Week 10 · Mississippi State · 1&10 · Q2 · EPA -3.91Taisun Phommachanh pass intercepted Brylan Lanier return for no gain to the MSST 3
Week 6 · Northern Illinois · 4&10 · Q4 · EPA +3.89Taisun Phommachanh pass complete to T.Y. Harding for 16 yds for a TD (Jacob Lurie KICK)
Week 3 · Buffalo · 3&15 · Q1 · EPA +3.82Taisun Phommachanh pass complete to Jacquon Gibson for 22 yds to the BUF 38 for a 1ST down
Week 9 · Wagner · 3&14 · Q2 · EPA +3.47Taisun Phommachanh run for 17 yds to the WAG 45 for a 1ST down
Week 5 · Miami (OH) · 1&10 · Q3 · EPA +3.46Taisun Phommachanh pass complete to Jakobie Keeney-James for 51 yds to the M-OH 45 for a 1ST down

Game log

Game log · Week-by-week

2024 season · 9 games

Box score · CFBD

Wk	Opp	CMP/ATT	YDS	TD	INT	YPA	QBR	Note
Wk 1	L 14-28vs Eastern Michigan	20/30	177	0	0	5.9	33.7
Wk 2	L 23-38@ Toledo	26/40	259	1	1	6.5	44.1
Wk 3	L 3-34@ Buffalo	14/29	121	0	1	4.2	12.4
Wk 4	W 35-31vs Central Connecticut	20/30	287	3	1	9.6	68.3	Season-high 287 yds
Wk 5	L 20-23@ Miami (OH)	9/22	173	1	0	7.9	65.8
Wk 6	L 20-34@ Northern Illinois	15/30	263	2	0	8.8	49.3	Clean 2-TD game
Wk 7	L 3-45vs Missouri	12/22	132	0	1	6.0	22.0
Wk 9	W 35-7vs Wagner	10/18	129	1	1	7.2	21.7
Wk 10	L 20-45@ Mississippi State	6/13	49	0	1	3.8	28.9
Total		132/234	1590	8	6	6.7	38.5

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

Taisun Phommachanh

20193 games

2022

20239 games

2024 snapshot

Passing profile

Situational

Splits & context

Awards

Part-time starter

Career stats

Signature game

Signature plays

Game log

How he plays

DNA match

Scrambler

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