Mithrandir Metrics
Player New York Mets Refreshed Jun 2 06:00 AM ET
Player profile / New York Mets

Jonah Tong

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

Cards
3
Modules
1
Live Δ
--
Club New York Mets Position P Roster Active Status Healthy / active roster
Rolling projection

Preseason / current pace / Bayesian update

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

2026-06-02
ERA preseason4.24
ERA current pace0.00
ERA rolling p503.55
Observed weight16%
ERA
1.42 2.43 3.55 4.67 5.67
FIP
2.21 2.77 3.39 4.01 4.57
K%
16.9% 19.5% 22.3% 25.1% 27.6%
BB%
6.2% 7.5% 9.0% 10.5% 11.8%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-02
Mithrandir+

Stuff+ and arsenal context

Stuff+ appears when the current pitch-event scoring artifact includes this pitcher; missing coverage is shown explicitly.

2026-06-02
Mithrandir Stuff+97
19
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 44%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 Tong, Jonah · Aggregate zone metrics; not pitch-by-pitch locations Edge: 36%36%Zone: 43%43%Whiff: 22%22%Called strike: 14%14%First pitch strike: 47%47%Hard hit allowed: 33%33% 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.

2026
Mithrandir Metrics PITCH ARSENAL DONUT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Tong, Jonah · 2026 arsenal snapshot 4-Seam Fastball: 44.3%Changeup: 26.8%Cutter: 18.6%Curveball: 10.4% MIX FF 44%CH 27%FC 19%CU 10% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Tong, Jonah · 2026 arsenal snapshot FF: HB -0.0, IVB 1.0FFCH: HB -0.4, IVB 2.5CHFC: HB -0.0, IVB 1.9FCCU: HB -0.1, IVB 4.5CU horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 48.1% 50 95 limited sample
CH 26.0% 27 99 limited sample
FC 17.3% 18 108 limited sample
CB 8.7% 9 99 limited sample
Method note

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

Reference layer

Current snapshot

Age22
Height6' 1"
Weight180 lb
Debut2025-08-29
Live layer

Delta / regression

No Live State delta is available for this profile yet.

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching32026-03-214-Seam Fastball played up through FC/CU tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202622.4% K | 4.58 ERAProjection
2026-03-21 vs HOU3 ER / 5 K4.1 IP