Mithrandir Metrics
Player Kansas City Royals Refreshed Jun 1 06:00 AM ET
Player profile / Kansas City Royals

Bailey Falter

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

Cards
5
Modules
1
Live Δ
--
Club Kansas City Royals Position P Roster profile 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.

Pending

Rolling player projection appears after current-season Statcast and projection joins refresh.

Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Mithrandir+

Stuff+ and arsenal context

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

2026-06-01
Mithrandir Stuff+96
16
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.

5Pitches 2026Season 54%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 Falter, Bailey · Aggregate zone metrics; not pitch-by-pitch locations Edge: 36%36%Zone: 50%50%Whiff: 21%21%Called strike: 18%18%First pitch strike: 27%27%Hard hit allowed: 43%43% 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 Falter, Bailey · 2026 arsenal snapshot 4-Seam Fastball: 54.4%Slider: 24.0%Split-Finger: 10.1%Curveball: 7.8%Sinker: 3.7% MIX FF 54%SL 24%FS 10%CU 8%SI 4% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Falter, Bailey · 2026 arsenal snapshot FF: HB -0.1, IVB 1.2FFSL: HB -0.1, IVB 2.9SLFS: HB -0.7, IVB 2.5FSCU: HB 0.1, IVB 4.1CUSI: HB 0.4, IVB 1.1SI horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 61.7% 100 100 limited sample
SL 25.3% 41 92 limited sample
CB 10.5% 17 108 limited sample
SI 2.5% 4 58 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"
Weight205 lb
Debut2021-04-25
Live layer

Delta / regression

No Live State delta is available for this profile yet.

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching52026-05-26Four-Seam Fastball played up through FF/SL tunnel quality
Projection links / recent games

Available detail

No projection links or recent game log rows are available yet.