Mithrandir Metrics
Player Houston Astros Refreshed Jun 16 06:00 AM ET
Player profile / Houston Astros

Josh Hader

P profile with live context, projection links, and Mithrandir card history when available.

Cards
0
Modules
0
Live Δ
--
Club Houston Astros Position P Roster profile Status Healthy / active roster
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.

2026-06-16
95
Pitching
percentile
Arsenal2 metrics
95
Rolling projection

Preseason / current pace / Bayesian update

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

2026-06-16
ERA preseason3.35
ERA current pace0.00
ERA rolling p503.14
Observed weight6%
ERA
1.15 2.09 3.14 4.19 5.13
FIP
0.65 1.92 3.32 4.72 5.98
K%
27.2% 30.5% 34.1% 37.7% 41.0%
BB%
4.9% 7.1% 9.5% 11.9% 14.0%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-16
Mithrandir+

Stuff+ and arsenal context

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

2026-06-16
Mithrandir Stuff+111
99
Sinker Stuff+108
91
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.

3Pitches 2025Season 55%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 Hader, Josh · Aggregate zone metrics; not pitch-by-pitch locations Edge: 29%29%Zone: 42%42%Whiff: 35%35%Called strike: 14%14%First pitch strike: 75%75%Hard hit allowed: 12%12% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Pitch arsenal

Usage mix, movement map, and Stuff+ composition

2025 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 →

2025
Mithrandir Metrics PITCH ARSENAL DONUT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Hader, Josh · 2025 arsenal snapshot Sinker: 54.6%Slider: 40.9%Changeup: 4.6% SI55% · 95 mphprimary pitch SI 55%SL 41%CH 5% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Hader, Josh · 2025 arsenal snapshot 12″24″36″48″ Sinker: 55% usage, 4″ horizontal break, 12″ drop, 95.4 mphSI95 mphSlider: 41% usage, 2″ horizontal break, 40″ drop, 83.3 mphSL83 mphChangeup: 5% usage, 13″ horizontal break, 29″ drop, 88.5 mphCH89 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SI 88.9% 16 108 limited sample
SL 11.1% 2 95 limited sample
Method note

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

Reference layer

Current snapshot

Age32
Height6' 3"
Weight188 lb
Debut2017-06-10
Live layer

Delta / regression

No Live State delta is available for this profile yet.

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
No Mithrandir card history is available for this player yet.
Projection links / recent games

Available detail

Pitcher Projections 202631.7% K | 3.52 ERAProjection