Regular season

Liam O'Brien

Utah Mammoth · C · #38

Bottom-six playerWrecking Ball?115 hits (19.8/60) - physically tilts every shift

HT: 6'1"
WT: 215 lb
Age: 32
Shoots: L
From: Halifax, CAN

56Alpha?

Alpha sub-scores

what drives the rating · percentile vs position group

2626pctl

4040pctl

3535pctl

4343pctl

League profile

vs. forwards with 20+ GP

0.113pctl

0.0817pctl

0.031pctl

0.915pctl

-634pctl

016pctl

HockeyAlpha advanced

event-derived proxies · 1,312 games analyzed

3.9%42pctl

1.5343pctl

0.1977pctl

Def Suppression?

0.4553pctl

Center toolkit

vs. centers with 20+ GP

0.24pctl

0.092pctl

0:015pctl

0:001pctl

On-ice impact

shift charts × our xG model · 24 GP tracked · 4h TOI

On-ice xG share (5v5)?

52.2%70pctl

On-ice goal share (5v5)?

50.0%52pctl

O-zone deployment?

46%33pctl

Usage profile

assignment difficulty · higher fill = tougher job

Competition faced?

16.1 min0pctl

Support received?

16.2 min87pctl

D-zone deployment?

54%67pctl

Micro-metrics

Structural Metric Model · sequences, geometry & leverage from every shot

Cross-slot shots / GP?

0.0317pctl

Net-front presence / GP?

0.6842pctl

Second-chance touches / GP?

0.3457pctl

0.84×2pctl

Cross-slot suppressed?

0.13/gm85pctl

Pressure escape rate?

5.3%7pctl

2025-26 regular season · Percentile beams: fill = league percentile, tick = league median · hockeyalpha.com

The Blueprint

Structural Event Engine · percentile vs forwards · center = median · 347 EV min

General Offense

5.8854

10.7275

Shot Setups/60?

1.2165

Chance Setups/60?

0.8659

Primary Contributions/60?

7.0957

Rebounds Created/60?

0.8677

Playmaking Sequences

Point Shot Setups/60?

0.1773

Center-Lane Setups/60?

0.6960

High-Danger Setups/60?

0.5271

Deflection Setups/60?

0.0040

One-Timer Setups/60?

0.1761

Offense Types

Cycle Offense/60?

3.2980

Rush Offense/60?

7.9654

Shots off HD Setups/60?

1.0472

0.8655

0.3574

Deflections/60?

3.6380

Zone Entries

Entries Started/60?

0.0027

Entries Finished/60?

1.2174

Entries w/ Chance/60?

0.6970

DZ Retrievals / Exits

DZ Involvements/60?

0.6927

0.0023

0.6939

Exit Involvements/60?

0.0038

Forechecking

14.5378

Dump-In Recoveries/60?

0.0044

Derived from event sequences in public play-by-play data - the ? on each metric explains exactly how it's computed. · hockeyalpha.com

Contract & market

Contract value?

beta · cap data: CapWages

$1.00M

cap hit

$1.30M

Alpha-market value

overpaidmarketsurplus

C

Fair market deal (+$0.3M)

Top comparables?

nearest profiles at the same role · match = statistical fit

Player	Alpha	Archetype	Production	Cap hit	Market	Value	Match
Liam O'Brien	56	Wrecking Ball	4 P · 38 GP	$1.00M	$1.30M	C+$0.3M	this player
Joshua Dunne	55	Depth Forward	4 P · 34 GP	$0.78M	$1.16M	C+$0.4M	90%
Jacob Quillan	56	Depth Forward	3 P · 23 GP	$0.88M	$1.30M	C+$0.4M	88%
Nick Bjugstad	56	Depth Forward	9 P · 61 GP	$1.75M	$1.30M	C−$0.4M	87%
Ryan Winterton	58	Depth Forward	18 P · 68 GP	$0.83M	$1.64M	B+$0.8M	86%

Chemistry

Finishes from

assisters on Liam’s goals

Creates for

goals Liam assisted on

Kailer Yamamoto11 as primary

From official goal credits - scorer + assists on every goal, all season.

Recent form · last 10 games

1 pts · 1 G · 0 A · 10 shots in last 10Steady(-0.2 P/GP vs prior 5)

@ FLA

0P

0G 0A

@ FLA 01-27

0G 0A · 0 shots · 7:58 TOI

@ CAR

0P

0G 0A

@ CAR 01-29

0G 0A · 0 shots · 10:50 TOI

vs VAN

0P

0G 0A

vs VAN 02-02

0G 0A · 0 shots · 8:29 TOI

vs DET

0P

0G 0A

vs DET 02-04

0G 0A · 1 shots · 8:10 TOI

@ VAN

1P

1G 0A

@ VAN 04-04

1G 0A · 1 shots · 10:21 TOI

vs NSH

0P

0G 0A

vs NSH 04-09

0G 0A · 2 shots · 8:39 TOI

vs CAR

0P

0G 0A

vs CAR 04-11

0G 0A · 2 shots · 8:46 TOI

@ CGY

0P

0G 0A

@ CGY 04-12

0G 0A · 2 shots · 10:29 TOI

vs WPG

0P

0G 0A

vs WPG 04-14

0G 0A · 1 shots · 8:47 TOI

vs STL

0P

0G 0A

vs STL 04-16

0G 0A · 1 shots · 12:06 TOI

Tile tint = points that night · underline = shot volume (full bar = 8+ shots) · oldest on the left

The Territory

attacking → · every recorded touch, normalized to one end

Goal On goal Missed/blocked▲ takeaway▽ giveaway■ hit＋ block◯ faceoff dot (size = wins)91 events shown

The office: the crease doorstep - 2 of 3 goals live there

Playmaking gravity: 8 touches that produced a teammate shot within 3s

Defensive floor: 23 blocks · 0 steals inside the d-zone

NHL career · regular season

Season	Team	GP	G	A	P	+/−
2014-15	Washington Capitals	13	1	1	2	4
2016-17	Washington Capitals	1	0	0	0	0
2017-18	Washington Capitals	3	0	0	0	0
2020-21	Colorado Avalanche	12	0	3	3	1
2021-22	Arizona Coyotes	39	2	1	3	1
2022-23	Arizona Coyotes	56	3	8	11	-5
2023-24	Arizona Coyotes	75	5	9	14	0
2024-25	Utah Hockey Club	28	0	2	2	1
2025-26	Utah Mammoth	38	3	1	4	-6
Career	5 teams	265	14	25	39	-4