HockeyAlpha
Regular season

Scott Mayfield

New York Islanders · D · #24
Depth DDepth Defenseman?82 blocks in 80 games of hard minutes
HT
6'4"
WT
215 lb
Age
33
Shoots
R
From
St. Louis, USA
Draft
2011 NYI · R2 #34
60Alpha?

Alpha sub-scores

what drives the rating · percentile vs position group
Scoring?
2626pctl
Playmaking?
3838pctl
Transition?
3030pctl
Defense?
4444pctl

League profile

vs. defensemen with 20+ GP
Points / GP?
0.1925pctl
Goals / GP?
0.0321pctl
Assists / GP?
0.1631pctl
Shots / GP?
0.933pctl
Plus/Minus?
-1116pctl
PP Points?
027pctl

HockeyAlpha advanced

event-derived proxies · 1,312 games analyzed
xG Share?
1.3%9pctl
ZEIS?
0.8015pctl
PSPL?
0.0937pctl
Def Suppression?
0.3134pctl

Defenseman toolkit

vs. defensemen with 20+ GP
Blocks / GP?
1.0224pctl
Blocks / 60?
3.7336pctl
Hits / 60?
3.459pctl
Take : Give?
0.2964pctl
PP TOI / GP?
0:0112pctl
PK TOI / GP?
1:3654pctl

On-ice impact

shift charts × our xG model · 50 GP tracked · 13h TOI

Usage profile

assignment difficulty · higher fill = tougher job
Competition faced?
16.8 min10pctl
Support received?
15.8 min94pctl

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 · 1188 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

$3.50M

cap hit

$2.12M

Alpha-market value

overpaidmarketsurplus

D

Paying a premium ($1.4M)

Top comparables?

nearest profiles at the same role · match = statistical fit
PlayerAlphaCap hitValueMatch
Scott Mayfield60$3.50MD$1.4Mthis player
Nikolas Matinpalo60$0.88MB+$1.2M92%
Johnathan Kovacevic63$4.00MD$1.2M90%
Zach Bogosian59$1.25MC+$0.7M89%
Jack St. Ivany62$0.80MB+$1.8M88%

Chemistry

Top connection: Simon Holmstrom · 3 goals together

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

Recent form · last 10 games

3 pts · 0 G · 3 A · 5 shots in last 10Steady(+0.2 P/GP vs prior 5)

vs DAL

0P

0G 0A

vs FLA

1P

0G 1A

vs PIT

0P

0G 0A

@ BUF

0P

0G 0A

vs PHI

0P

0G 0A

@ CAR

1P

0G 1A

vs TOR

0P

0G 0A

vs OTT

0P

0G 0A

vs MTL

1P

0G 1A

vs CAR

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)290 events shown

The office: the inner slot - 1 of 2 goals live there

Playmaking gravity: 12 touches that produced a teammate shot within 3s

Defensive floor: 83 blocks · 13 steals inside the d-zone

NHL career · regular season

SeasonTeamGPGAP+/−
2013-14New York Islanders5000-3
2015-16New York Islanders6101-4
2016-17New York Islanders25279-1
2017-18New York Islanders4721012-6
2018-19New York Islanders794151918
2019-20New York Islanders6758138
2020-21New York Islanders56213152
2021-22New York Islanders6131518-5
2022-23New York Islanders82618248
2023-24New York Islanders41055-7
2024-25New York Islanders6636918
2025-26New York Islanders8021315-11
Career1 team6153011014017