Regular season

Mason Lohrei

Boston Bruins · D · #6

Third-pair DDepth Defenseman?93 blocks in 73 games of hard minutes

HT: 6'5"
WT: 218 lb
Age: 25
Shoots: L
From: Baton Rouge, USA
Draft: 2020 BOS · R2 #58

67Alpha?

Alpha sub-scores

what drives the rating · percentile vs position group

6565pctl

4747pctl

4444pctl

4141pctl

League profile

vs. defensemen with 20+ GP

0.3666pctl

0.1073pctl

0.2663pctl

1.041pctl

+1788pctl

576pctl

HockeyAlpha advanced

event-derived proxies · 1,312 games analyzed

2.6%26pctl

0.9017pctl

0.0728pctl

Def Suppression?

0.2931pctl

Defenseman toolkit

vs. defensemen with 20+ GP

1.2751pctl

4.5261pctl

Blocks / 100 shifts?

6.059pctl

1.425pctl

0.2232pctl

1:2175pctl

0:087pctl

On-ice impact

shift charts × our xG model · 43 GP tracked · 12h TOI

On-ice xG share (5v5)?

47.5%31pctl

On-ice goal share (5v5)?

58.3%85pctl

O-zone deployment?

52%62pctl

Usage profile

assignment difficulty · higher fill = tougher job

Competition faced?

17.1 min29pctl

Support received?

16.4 min80pctl

D-zone deployment?

48%38pctl

Micro-metrics

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

Cross-slot shots / GP?

0.0428pctl

Net-front presence / GP?

0.104pctl

Second-chance touches / GP?

0.1719pctl

0.98×46pctl

Cross-slot suppressed?

0.33/gm15pctl

Pressure escape rate?

9.2%78pctl

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

The Blueprint

Structural Event Engine · percentile vs defensemen · center = median · 1125 EV min

General Offense

2.9932

3.4762

Shot Setups/60?

0.8557

Chance Setups/60?

0.6956

Primary Contributions/60?

3.8438

Rebounds Created/60?

0.3249

Playmaking Sequences

Point Shot Setups/60?

0.0571

Center-Lane Setups/60?

0.4357

High-Danger Setups/60?

0.3283

Deflection Setups/60?

0.0572

One-Timer Setups/60?

0.0019

Offense Types

Cycle Offense/60?

1.4435

Rush Offense/60?

5.1739

Shots off HD Setups/60?

0.1624

0.1634

0.0552

Deflections/60?

0.1164

Zone Entries

Entries Started/60?

0.0031

Entries Finished/60?

0.3770

Entries w/ Chance/60?

0.1152

DZ Retrievals / Exits

DZ Involvements/60?

3.2574

0.3738

2.8879

Retrieval Success %?

11%29

Exit Involvements/60?

0.0037

Exit Success %?

0%37

Forechecking

0.3241

Dump-In Recoveries/60?

0.0048

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

$3.20M

cap hit

$3.91M

Alpha-market value

overpaidmarketsurplus

C

Fair market deal (+$0.7M)

Top comparables?

nearest profiles at the same role · match = statistical fit

Player	Alpha	Archetype	Production	Cap hit	Market	Value	Match
Mason Lohrei	67	Depth Defenseman	26 P · 73 GP	$3.20M	$3.91M	C+$0.7M	this player
Uvis Balinskis	70	Steady Blueliner	15 P · 54 GP	$0.85M	$4.79M	A+$3.9M	84%
Logan Stanley	68	Steady Blueliner	26 P · 76 GP	-	$4.20M	-	82%
Denton Mateychuk	68	Depth Defenseman	31 P · 75 GP	$0.89M	$4.20M	A+$3.3M	81%
Sam Rinzel	66	Depth Defenseman	14 P · 54 GP	$0.94M	$3.63M	A+$2.7M	81%

Chemistry

Top connection: Viktor Arvidsson · 4 goals together

Finishes from

assisters on Mason’s goals

Creates for

goals Mason assisted on

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

Recent form · last 10 games

2 pts · 0 G · 2 A · 8 shots in last 10Steady(+0.0 P/GP vs prior 5)

vs WPG

0P

0G 0A

vs WPG 03-19

0G 0A · 1 shots · 20:23 TOI

@ DET

1P

0G 1A

@ DET 03-21

0G 1A · 0 shots · 13:51 TOI

vs TOR

0P

0G 0A

vs TOR 03-24

0G 0A · 2 shots · 16:40 TOI

@ BUF

0P

0G 0A

@ BUF 03-25

0G 0A · 0 shots · 17:29 TOI

vs MIN

0P

0G 0A

vs MIN 03-28

0G 0A · 0 shots · 11:47 TOI

@ PHI

0P

0G 0A

@ PHI 04-05

0G 0A · 1 shots · 16:16 TOI

@ CAR

0P

0G 0A

@ CAR 04-07

0G 0A · 1 shots · 14:04 TOI

vs TBL

0P

0G 0A

vs TBL 04-11

0G 0A · 1 shots · 16:20 TOI

@ CBJ

0P

0G 0A

@ CBJ 04-12

0G 0A · 1 shots · 19:19 TOI

vs NJD

1P

0G 1A

vs NJD 04-14

0G 1A · 1 shots · 21:53 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)312 events shown

The office: the right point - 3 of 7 goals live there

Playmaking gravity: 17 touches that produced a teammate shot within 3s

Defensive floor: 93 blocks · 10 steals inside the d-zone

NHL career · regular season

Season	Team	GP	G	A	P	+/−
2023-24	Boston Bruins	41	4	9	13	-2
2024-25	Boston Bruins	77	5	28	33	-43
2025-26	Boston Bruins	73	7	19	26	17
Career	1 team	191	16	56	72	-28