Regular season

JJ Peterka

Boston Bruins · RW · #77

Middle-six playerMiddle-Six Engine?Reliable minutes: 47 points and honest two-way play

HT: 6'0"
WT: 189 lb
Age: 24
Shoots: L
From: Munich, DEU
Draft: 2020 BUF · R2 #34

74Alpha?

Alpha sub-scores

what drives the rating · percentile vs position group

6767pctl

6464pctl

7676pctl

1414pctl

League profile

vs. forwards with 20+ GP

0.5767pctl

0.3079pctl

0.2757pctl

1.970pctl

+677pctl

555pctl

HockeyAlpha advanced

event-derived proxies · 1,312 games analyzed

6.8%72pctl

3.2087pctl

0.2080pctl

Def Suppression?

0.027pctl

Winger toolkit

vs. wingers with 20+ GP

7.364pctl

0.74pctl

0.2223pctl

0.865pctl

1:5763pctl

0:0132pctl

On-ice impact

shift charts × our xG model · 48 GP tracked · 13h TOI

On-ice xG share (5v5)?

54.1%83pctl

On-ice goal share (5v5)?

57.4%82pctl

O-zone deployment?

60%89pctl

Usage profile

assignment difficulty · higher fill = tougher job

Competition faced?

17.5 min54pctl

Support received?

18.1 min27pctl

D-zone deployment?

40%11pctl

Micro-metrics

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

Cross-slot shots / GP?

0.0753pctl

Net-front presence / GP?

0.7847pctl

Second-chance touches / GP?

0.3150pctl

0.99×48pctl

Cross-slot suppressed?

0.19/gm66pctl

Pressure escape rate?

8.2%58pctl

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

The Blueprint

Structural Event Engine · percentile vs forwards · center = median · 1150 EV min

General Offense

7.0476

8.7765

Shot Setups/60?

1.1567

Chance Setups/60?

1.0476

Primary Contributions/60?

8.1976

Rebounds Created/60?

0.4752

Playmaking Sequences

Point Shot Setups/60?

0.0027

Center-Lane Setups/60?

0.7368

High-Danger Setups/60?

0.5280

Deflection Setups/60?

0.0567

One-Timer Setups/60?

0.2681

Offense Types

Cycle Offense/60?

2.6691

Rush Offense/60?

10.5984

Shots off HD Setups/60?

0.4726

0.5224

0.1037

Deflections/60?

0.9928

Zone Entries

Entries Started/60?

0.1047

Entries Finished/60?

0.8360

Entries w/ Chance/60?

0.6372

Entry → Chance %?

75%75

DZ Retrievals / Exits

DZ Involvements/60?

1.4168

0.3764

1.0467

Retrieval Success %?

26%52

Exit Involvements/60?

0.0033

Exit Success %?

0%30

Forechecking

0.9413

Dump-In Recoveries/60?

0.0042

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

$7.70M

cap hit

$5.68M

Alpha-market value

overpaidmarketsurplus

D

Paying a premium (−$2.0M)

Top comparables?

nearest profiles at the same role · match = statistical fit

Player	Alpha	Archetype	Production	Cap hit	Market	Value	Match
JJ Peterka	74	Middle-Six Engine	47 P · 82 GP	$7.70M	$5.68M	D−$2.0M	this player
Matvei Michkov	75	Middle-Six Engine	51 P · 81 GP	$0.95M	$5.99M	A++$5.0M	89%
Ryan Leonard	75	Middle-Six Engine	45 P · 75 GP	$0.95M	$5.99M	A++$5.0M	88%
Jack Quinn	77	Middle-Six Engine	51 P · 82 GP	$3.38M	$6.62M	A+$3.2M	87%
Jonathan Marchessault	71	Middle-Six Engine	31 P · 62 GP	$5.50M	$4.78M	C−$0.7M	86%

Chemistry

Top connection: Clayton Keller · 9 goals together

Finishes from

assisters on JJ’s goals

Creates for

goals JJ assisted on

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

Recent form · last 10 games

5 pts · 3 G · 2 A · 23 shots in last 10Steady(-0.2 P/GP vs prior 5)

vs WSH

0P

0G 0A

vs WSH 03-26

0G 0A · 2 shots · 14:03 TOI

@ LAK

1P

0G 1A

@ LAK 03-28

0G 1A · 1 shots · 12:57 TOI

@ SEA

1P

1G 0A

@ SEA 04-02

1G 0A · 4 shots · 16:42 TOI

@ VAN

0P

0G 0A

@ VAN 04-04

0G 0A · 2 shots · 14:00 TOI

vs EDM

1P

1G 0A

vs EDM 04-07

1G 0A · 3 shots · 16:37 TOI

vs NSH

0P

0G 0A

vs NSH 04-09

0G 0A · 2 shots · 14:57 TOI

vs CAR

0P

0G 0A

vs CAR 04-11

0G 0A · 0 shots · 13:43 TOI

@ CGY

0P

0G 0A

@ CGY 04-12

0G 0A · 2 shots · 14:01 TOI

vs WPG

1P

1G 0A

vs WPG 04-14

1G 0A · 4 shots · 15:02 TOI

vs STL

1P

0G 1A

vs STL 04-16

0G 1A · 3 shots · 21:02 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)341 events shown

The office: the right circle - 7 of 25 goals live there

Playmaking gravity: 26 touches that produced a teammate shot within 3s

Defensive floor: 23 blocks · 7 steals inside the d-zone

NHL career · regular season

Season	Team	GP	G	A	P	+/−
2021-22	Buffalo Sabres	2	0	0	0	0
2022-23	Buffalo Sabres	77	12	20	32	-15
2023-24	Buffalo Sabres	82	28	22	50	10
2024-25	Buffalo Sabres	77	27	41	68	-1
2025-26	Utah Mammoth	82	25	22	47	6
Career	2 teams	320	92	105	197	0