Mithrandir Metrics
Pitcher projection 2026 Refreshed Jun 12 06:00 AM ET
Pitcher projection / HOU · 2026

Hader, Josh

High-leverage relief profile with bat-miss

Primary
31.7% K%
Range
26.2% to 40.8%
Live Δ
--
Team HOU Archetype Balanced reliever Age 32 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.

2026-06-12
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.

2026-06-12
ERA preseason3.35
ERA current pace0.00
ERA rolling p503.18
Observed weight5%
ERA
1.16 2.12 3.18 4.24 5.19
FIP
0.62 1.90 3.32 4.73 6.01
K%
27.6% 30.9% 34.5% 38.2% 41.5%
BB%
5.0% 7.2% 9.6% 12.0% 14.2%
Current percentile strip

Actual percentile with projection tick

100th = best in MLB.

2026-06-12
Mithrandir+

Stuff+ and arsenal context

Stuff+ appears when the current pitch-event scoring artifact includes this pitcher; Arsenal Decomposition remains descriptive support under Stuff+.

2026-06-12
Mithrandir Stuff+111
99
Sinker Stuff+108
91
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
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.

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: 31%31%Zone: 40%40%Whiff: 40%40%Called strike: 12%12%First pitch strike: 77%77%Hard hit allowed: 0%0% 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.

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.

Model read

Projection notes

1
templated note
Volume stays relief-shaped even when the bat-miss traits are strong.
2
templated note
Primary mix entering the season: Sinker 55%, Slider 41%, Changeup 5%.
Live context

Current-season signal

No Live State delta is available for this player yet.

Projection table

Point projection and range

MetricPointRangeHalf-width
Innings39.7----
Batters Faced160----
K%31.7%26.2% to 40.8%+/- 7.3%
BB%10.4%5.0% to 14.6%+/- 4.8%
Whiff%34.5%29.4% to 40.5%+/- 5.6%
HR/91.160.37 to 2.38+/- 1.01
xwOBA Against0.2720.179 to 0.335+/- 0.078
Barrel% Allowed9.0%4.0% to 13.5%+/- 4.8%
ERA3.521.21 to 5.45+/- 2.12
FIP3.362.01 to 7.69+/- 2.84
WHIP1.1700.816 to 1.506+/- 0.345
Platoon / Shape
vs LHH

559 career BF

xwOBA0.224
K%31.5%
BB%8.8%
Barrel8.0%
vs RHH

1625 career BF

xwOBA0.242
K%32.5%
BB%9.7%
Barrel9.8%