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

Joey Gerber

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

Cards
0
Modules
0
Live Δ
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Club Syracuse Mets Position P Roster Reassigned to Minors Status Out / inactive
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 preseason3.61
ERA current pace0.00
ERA rolling p503.48
Observed weight4%
ERA
1.04 2.19 3.48 4.77 5.93
FIP
2.64 3.41 4.28 5.14 5.91
K%
15.8% 18.9% 22.4% 25.9% 29.0%
BB%
0.1% 2.4% 5.0% 7.6% 9.9%
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.

3Pitches 2025Season 70%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 Gerber, Joey · Aggregate zone metrics; not pitch-by-pitch locations Edge: 30%30%Zone: 51%51%Whiff: 9%9%Called strike: 19%19%First pitch strike: 44%44%Hard hit allowed: 67%67% 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 Gerber, Joey · 2025 arsenal snapshot 4-Seam Fastball: 70.3%Slider: 28.1%Changeup: 1.6% MIX FF 70%SL 28%CH 2% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Gerber, Joey · 2025 arsenal snapshot FF: HB -0.2, IVB 1.1FFSL: HB 0.1, IVB 2.8SLCH: HB -1.3, IVB 2.2CH horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 55.3% 26 88 limited sample
SL 44.7% 21 111 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' 4"
Weight212 lb
Debut2020-08-04
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 202623.0% K | 4.41 ERAProjection
2026-04-13 @ LAD0 ER / 5 K2.0 IP