Mithrandir Metrics
Player New York Mets Refreshed Sep 26 06:00 AM ET
Player profile / New York Mets

Justin Hagenman

P · Bats/Throws R/R · 6' 3", 205 lb · Age 29

Cards
3
Modules
1
Live Δ
--
Club New York Mets Position P Roster Current MLB team Status Healthy / active roster
Traditional line

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
2025014.5691123.2231.10
2026003.383108.041.25
2 Seasons014.26122131.2271.14
At a glance

Season percentile report

The headline weighs outcome stats (xwOBA, barrels); each bar averages its full strip group below. 100 = best in MLB.

2026-09-26
59
Pitching
percentile
Arsenal5 metrics
59
Rolling projection

Preseason / current pace / Bayesian update

Rolling bands shrink current-season signal toward the preseason prior until the sample earns more weight.

2026-09-26
ERA preseason4.52
ERA current pace4.50
ERA rolling p504.51
Observed weight12%
ERA
2.64 3.53 4.51 5.50 6.39
FIP
2.43 3.20 4.06 4.92 5.69
K%
12.8% 15.3% 18.1% 20.8% 23.3%
BB%
2.0% 3.4% 5.0% 6.6% 8.1%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-09-26
Mithrandir+

Stuff+ and arsenal context

How nasty this pitcher's stuff grades in our pitch-level model. Missing coverage is shown explicitly.

2026-09-26
Changeup Stuff+108
92
Cutter Stuff+103
68
Fastball Stuff+102
52
Mithrandir Stuff+103
62
Slider Stuff+98
20
Rolling form chart

xwOBA allowed snapshot line

Live snapshot series; true 50/100 PA windows require PA-level logs

0 snapshots
No chart yet

No Live State xwOBA snapshots are available for this player.

Optimization map

Arsenal optimization map

Pitch-shape context from this pitcher’s current arsenal snapshot. Hover a pitch to inspect usage, movement, and bat-missing context.

4Pitches 2026Season 42%Top usage
ride armside gloveside +Arsenal gap +Shape contrast
Zone profile

Aggregate zone heatmap

Aggregate zone metrics from seasonal Statcast leaderboards.

Mithrandir Metrics ZONE HEATMAP Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Pitch Zone Profile Hagenman, Justin · Aggregate zone metrics; not pitch-by-pitch locations Edge: 42%42%Zone: 43%43%Whiff: 11%11%Called strike: 14%14%First pitch strike: 52%52%Hard hit allowed: 37%37% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Pitch arsenal

Usage mix, movement map, and Stuff+ composition

2026 pitch-level arsenal aggregates; current season takes over after 100 tracked pitches across at least 2 pitch types. Descriptive pitch-type Stuff+ composition. Not a promoted predictive metric.

Watch the pitches in 3D →

2026
Mithrandir Metrics PITCH ARSENAL DONUT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Hagenman, Justin · 2026 arsenal snapshot 4-Seam Fastball: 41.7%Cutter: 27.3%Changeup: 22.7%Slider: 8.3% FF42% · 91 mphprimary pitch FF 42%FC 27%CH 23%SL 8% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Hagenman, Justin · 2026 arsenal snapshot 12″24″36″48″ 4-Seam Fastball: 42% usage, 3″ horizontal break, 19″ drop, 90.9 mphFF91 mphCutter: 27% usage, 0″ horizontal break, 31″ drop, 84.3 mphFC84 mphChangeup: 23% usage, 13″ horizontal break, 38″ drop, 85.3 mphCH85 mphSlider: 8% usage, 5″ horizontal break, 42″ drop, 81.3 mphSL81 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 41.7% 55 102 limited sample
FC 27.3% 36 103 limited sample
CH 22.7% 30 108 limited sample
SL 8.3% 11 98 limited sample
Method note

Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.

Reference layer

Current snapshot

Age29
Height6' 3"
Weight205 lb
Debut2025-04-16
Live layer

Delta / regression

No Live State delta is available for this profile yet.

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching32026-09-02Four-Seam Fastball played up through FF/FC tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202619.0% K | 4.23 ERAProjection