Liam O'Brien is a forward from Canada who plays for Utah Mammoth in the NHL.

What team does Liam O'Brien play for?

Liam plays for Utah Mammoth in the NHL.

How tall is Liam O'Brien?

Liam O'Brien is 185 cm (6'1") tall.

How much does Liam O'Brien weigh?

Liam O'Brien weighs 97 kg (214 lbs).

When was Liam O'Brien born?

Liam O'Brien was born on 1994-07-29 in Halifax, NS, CAN.

Liam O'Brien

#38 Utah Mammoth / NHL - 26/27

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Liam O'Brien Facts

Date of Birth: Jul 29, 1994
Age: 32
Place of Birth: Halifax, NS, CAN
Nation: Canada
Youth Team: Halifax MHA
Position: LW/C
Height: 185 cm / 6'1"
Weight: 97 kg / 214 lbs
Shoots: L
Contract: 26/27

Player Type: Agitator
Heavy Hitter
Physical Forward
Cap Hit: Powered by
NHL Rights: Utah Mammoth / Signed
Agency: Premium

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Liam O'Brien — Career Statistics
S	Team	League	Regular Season						Postseason
S	Team	League	GP	G	A	TP	PIM	+/-	POST	GP	G	A	TP	PIM	+/-
09-10	Notre Dame Hounds U18 AAA	SMAAAHL	41	13	25	38	98	-	Playoffs	13	4	3	7	30	-
10-11	Rimouski Océanic	QMJHL	61	2	8	10	45	-8	Playoffs	5	0	0	0	6	-
10-11	Canada Atlantic U17	WHC-17	5	1	1	2	8	-
11-12	Rimouski Océanic	QMJHL	40	7	9	16	67	4
11-12	Rouyn-Noranda Huskies	QMJHL	27	3	7	10	69	-17	Playoffs	4	1	0	1	11	-2
12-13	Rouyn-Noranda Huskies"A"	QMJHL	65	10	14	24	164	-12	Playoffs	12	2	1	3	17	2
13-14	Rouyn-Noranda Huskies"C"	QMJHL	68	20	15	35	148	-11	Playoffs	9	1	3	4	12	-2
14-15	Washington Capitals	NHL	13	1	1	2	23	4
14-15	Hershey Bears	AHL	45	4	4	8	121	-5	Playoffs	10	3	3	6	14	1
15-16	Hershey Bears	AHL	59	7	9	16	120	2	Playoffs	20	4	2	6	65	-5
16-17	Washington Capitals	NHL	1	0	0	0	0	0
16-17	Hershey Bears	AHL	64	10	20	30	117	5	Playoffs	6	0	0	0	13	2
17-18	Washington Capitals	NHL	3	0	0	0	5	0
17-18	Hershey Bears	AHL	69	17	9	26	79	-8
18-19	Hershey Bears	AHL	74	15	13	28	118	-12	Playoffs	8	1	0	1	21	0
19-20	Hershey Bears	AHL	59	10	19	29	83	14
20-21	Colorado Avalanche	NHL	12	0	3	3	40	1
20-21	Colorado Eagles	AHL	12	4	4	8	15	-1
21-22	Arizona Coyotes	NHL	39	2	1	3	106	1
22-23	Arizona Coyotes	NHL	56	3	8	11	114	-5
23-24	Arizona Coyotes	NHL	75	5	9	14	153	0
24-25	Utah Hockey Club	NHL	28	0	2	2	50	1
25-26	Utah Mammoth	NHL	38	3	1	4	43	-6	Playoffs	3	0	1	1	2	1
26-27	Utah Mammoth	NHL	-	-	-	-	-	-

2026-2027 NHL stats powered by

Liam O'Brien Tournament Statistics

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Liam O'Brien — Tournament Statistics
S	Team	League	Regular Season						Postseason
S	Team	League	GP	G	A	TP	PIM	+/-	POST	GP	G	A	TP	PIM	+/-
09-10	Notre Dame Hounds U18 AAA	Telus Cup	7	1	3	4	12	-

Liam O'Brien Game Log

2025-2026

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Liam O'Brien — 2025-2026 Game Log
Date	Team	Opp	Score	G	A	TP	PIM	+/-	SOG	PPG	SHG	TOI
NHL
Mon 27/04		vs
Fri 24/04		vs
Tue 21/04		@
Thu 16/04		vs
Tue 14/04		vs

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Liam O'Brien — Career Totals
League	Regular Season								Postseason
League	Years	GP	G	A	TP	PPG	PIM	+/-	Years	GP	G	A	TP	PPG	PIM	+/-
AHL	7	382	67	78	145	0.38	653	-5	4	44	8	5	13	0.30	113	-2
NHL	10	265	14	25	39	0.15	534	-4	1	3	0	1	1	0.33	2	1
QMJHL	4	261	42	53	95	0.36	493	-44	4	30	4	4	8	0.27	46	-2*
SMAAAHL	1	41	13	25	38	0.93	98	-	1	13	4	3	7	0.54	30	-
Telus Cup	1	7	1	3	4	0.57	12	-	0
WHC-17	1	5	1	1	2	0.40	8	-	0

* Some data is missing to provide a correct summary.

Liam O'Brien — Career Totals

League

AHL

382

145

NHL

265

QMJHL

261

SMAAAHL

Telus Cup

WHC-17

Liam O'Brien Hockey Connections

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Nationality

Team

Status

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Liam O'Brien Career Highlights

Liam O'Brien — Awards by Season
Season	Awards by Season
2009-2010	Telus Cup Champion
2015-2016	AHL Playoffs Most Penalized Player (65)
2023-2024	NHL Most Penalized Player (153)

Stories

Insights and analysis from EP Editorial team

2021-04-01, 12:00

Around The AHL: School's out for top prospects

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Transactions

Liam O'Brien — Transactions
Date	Status	From	To	Source
06/26/2024	Extension	Utah Hockey Club	Utah Hockey Club	Details
03/06/2022	Extension	Arizona Coyotes	Arizona Coyotes	Details
07/31/2021	Confirmed	Colorado Avalanche	Arizona Coyotes	Details
03/30/2021	Confirmed	Colorado Eagles	Colorado Avalanche	Details
11/27/2020	Confirmed	Washington Capitals	Colorado Eagles	Details
06/10/2019	Extension	Washington Capitals	Washington Capitals	Details
07/13/2018	Extension	Washington Capitals	Washington Capitals	Details
07/14/2017	Extension	Washington Capitals	Washington Capitals	Details
10/06/2014	Confirmed	Rouyn-Noranda Huskies	Washington Capitals	Details

Liam O'Brien Biography and Trivia

Drafted 2011, 9 #91 by Amherst Ramblers in the MJAHL Draft
Drafted 2010, 1 #10 by Rimouski Océanic in the QMJHL Entry Draft
Drafted 2010, 20 #296 by Sioux Falls Stampede in the USHL Entry Draft