HockeyAlpha
Regular season

Matt Grzelcyk

- · D · #48
Depth DDepth Defenseman?12 points and 54 blocks in 69 games in a supporting role
HT
5'10"
WT
180 lb
Age
32
Shoots
L
From
Charlestown, USA
Draft
2012 BOS · R3 #85
59Alpha?

Alpha sub-scores

what drives the rating · percentile vs position group
Scoring?
1919pctl
Playmaking?
2727pctl
Transition?
2424pctl
Defense?
4848pctl

League profile

vs. defensemen with 20+ GP
Points / GP?
0.1721pctl
Goals / GP?
0.006pctl
Assists / GP?
0.1735pctl
Shots / GP?
1.041pctl
Plus/Minus?
-921pctl
PP Points?
371pctl

HockeyAlpha advanced

event-derived proxies · 1,312 games analyzed
xG Share?
1.5%11pctl
ZEIS?
0.7613pctl
PSPL?
0.0310pctl
Def Suppression?
0.4553pctl

Defenseman toolkit

vs. defensemen with 20+ GP
Blocks / GP?
0.787pctl
Blocks / 60?
2.768pctl
Hits / 60?
1.424pctl
Take : Give?
0.4694pctl
PP TOI / GP?
0:5167pctl
PK TOI / GP?
0:2415pctl

On-ice impact

shift charts × our xG model · 39 GP tracked · 11h TOI

Usage profile

assignment difficulty · higher fill = tougher job
Competition faced?
17.3 min41pctl
Support received?
16.5 min78pctl

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 · 1086 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

Top comparables?

nearest profiles at the same role · match = statistical fit
PlayerAlphaCap hitValueMatch
Matt Grzelcyk59--this player
Vincent Desharnais59$2.00MC$0.1M86%
Nikolas Matinpalo60$0.88MB+$1.2M85%
Nick Leddy62--85%
Simon Benoit58$1.35MC+$0.4M85%

Chemistry

Top connection: Oliver Moore · 3 goals together

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

Recent form · last 10 games

0 pts · 0 G · 0 A · 7 shots in last 10Steady(+0.0 P/GP vs prior 5)

@ UTA

0P

0G 0A

@ WPG

0P

0G 0A

vs VAN

0P

0G 0A

@ DAL

0P

0G 0A

vs UTA

0P

0G 0A

@ UTA

0P

0G 0A

@ VGK

0P

0G 0A

@ MIN

0P

0G 0A

vs COL

0P

0G 0A

vs NSH

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)235 events shown

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

Defensive floor: 55 blocks · 12 steals inside the d-zone

NHL career · regular season

SeasonTeamGPGAP+/−
2016-17Boston Bruins20000
2017-18Boston Bruins613121521
2018-19Boston Bruins66315189
2019-20Boston Bruins684172115
2020-21Boston Bruins375152011
2021-22Boston Bruins734202422
2022-23Boston Bruins754222646
2023-24Boston Bruins63291113
2024-25Pittsburgh Penguins8213940-6
2025-26Chicago Blackhawks6901212-9
Career3 teams59626161187122