Mithrandir Metrics
Player KC Refreshed Sep 27 06:00 AM ET
Player profile / KC

Bailey Falter

Player · Bats/Throws R/L · 6' 4", 205 lb · Age 29

Cards
5
Modules
1
Live Δ
--
Club KC Position -- Roster profile Status Out / inactive
Traditional line

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
2024894.4328280142.1971.29
2025774.4526240125.1811.28
20260210.3872013.082.46
6 Seasons25324.73121850479.03541.32
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.

2026-09-27
44
Pitching
percentile
Arsenal4 metrics
44
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.

2026-09-27
Mithrandir+

Stuff+ and arsenal context

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

2026-09-27
Curveball Stuff+106
97
Fastball Stuff+101
39
Mithrandir Stuff+99
23
Slider Stuff+97
17
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: 38%38%Zone: 53%53%Whiff: 19%19%Called strike: 18%18%First pitch strike: 32%32%Hard hit allowed: 42%42% 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.

Watch the pitches in 3D →

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: 54.3%Slider: 26.4%Split-Finger: 9.4%Curveball: 6.7%Sinker: 3.1% FF54% · 92 mphprimary pitch FF 54%SL 26%FS 9%CU 7%SI 3% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Falter, Bailey · 2026 arsenal snapshot 15″30″45″60″ 4-Seam Fastball: 54% usage, 1″ horizontal break, 14″ drop, 92.5 mphFF92 mphSlider: 26% usage, 1″ horizontal break, 35″ drop, 84.0 mphSL84 mphSplit-Finger: 9% usage, 8″ horizontal break, 30″ drop, 85.6 mphFS86 mphCurveball: 7% usage, 2″ horizontal break, 49″ drop, 77.3 mphCU77 mphSinker: 3% usage, 4″ horizontal break, 14″ drop, 92.5 mphSI93 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 60.9% 120 101 limited sample
SL 28.4% 56 97 limited sample
CB 8.6% 17 106 limited sample
SI 2.0% 4 54 limited sample
Method note

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

Reference layer

Current snapshot

MLB bio context is unavailable.
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.