HockeyAlpha
Regular season

Thomas Harley

Dallas Stars · D · #55
Top-pair DTwo-Way D?Trusted both ways: 36 points, 148 blocks
HT
6'3"
WT
214 lb
Age
24
Shoots
L
From
Syracuse, USA
Draft
2019 DAL · R1 #18
85Alpha?

Alpha sub-scores

what drives the rating · percentile vs position group
Scoring?
7272pctl
Playmaking?
8585pctl
Transition?
8080pctl
Defense?
8585pctl

League profile

vs. defensemen with 20+ GP
Points / GP?
0.5186pctl
Goals / GP?
0.0969pctl
Assists / GP?
0.4389pctl
Shots / GP?
1.680pctl
Plus/Minus?
+359pctl
PP Points?
781pctl

HockeyAlpha advanced

event-derived proxies · 1,312 games analyzed
xG Share?
3.4%36pctl
ZEIS?
2.5977pctl
PSPL?
0.2589pctl
Def Suppression?
1.4199pctl

Defenseman toolkit

vs. defensemen with 20+ GP
Blocks / GP?
2.1195pctl
Blocks / 60?
5.5084pctl
Hits / 60?
1.424pctl
Take : Give?
0.4391pctl
PP TOI / GP?
1:3881pctl
PK TOI / GP?
1:2245pctl

On-ice impact

shift charts × our xG model · 44 GP tracked · 17h TOI

Usage profile

assignment difficulty · higher fill = tougher job
Competition faced?
17.6 min61pctl
Support received?
16.4 min80pctl

Micro-metrics

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

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

The Blueprint

Structural Event Engine · percentile vs defensemen · center = median · 1404 EV min

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

$4.00M

cap hit

$10.05M

Alpha-market value

overpaidmarketsurplus

A+

Massive surplus value (+$6.1M)

Top comparables?

nearest profiles at the same role · match = statistical fit
PlayerAlphaCap hitValueMatch
Thomas Harley85$4.00MA++$6.1Mthis player
Thomas Chabot85$8.00MA+$2.1M88%
Brandt Clarke84$0.86MA++$8.8M84%
Brock Faber85$8.50MB+$1.6M83%
Noah Dobson85$9.50MC+$0.6M79%

Chemistry

Top connection: Wyatt Johnston · 7 goals together

Recent form · last 10 games

3 pts · 0 G · 3 A · 15 shots in last 10Heating up(+0.6 P/GP vs prior 5)

@ PIT

0P

0G 0A

@ PHI

0P

0G 0A

@ BOS

0P

0G 0A

vs WPG

0P

0G 0A

vs COL

0P

0G 0A

vs CGY

1P

0G 1A

vs MIN

1P

0G 1A

vs NYR

0P

0G 0A

@ TOR

1P

0G 1A

@ BUF

0P

0G 0A

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

attacking →← defending
Goal On goal Missed/blocked▲ takeaway▽ giveaway■ hit+ block◯ faceoff dot (size = wins)476 events shown

The office: the crease doorstep - 2 of 6 goals live there

Playmaking gravity: 27 touches that produced a teammate shot within 3s

Defensive floor: 148 blocks · 21 steals inside the d-zone

NHL career · regular season

SeasonTeamGPGAP+/−
2021-22Dallas Stars34134-4
2022-23Dallas Stars60225
2023-24Dallas Stars7915324728
2024-25Dallas Stars7816345032
2025-26Dallas Stars70630363
Career1 team2673810113964