Mithrandir Metrics
Player Miami Marlins Refreshed Sep 1 06:00 AM ET
Player profile / Miami Marlins

Jack Ralston

P · Bats/Throws R/R · 6' 6", 231 lb · Age 29

Cards
0
Modules
0
Live Δ
--
Club Miami Marlins Position P Roster Current MLB team Status Healthy / active roster
Traditional line

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
2026001.804005.040.80
1 Seasons001.804005.040.80
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.

2026-09-01
82
Pitching
percentile
Arsenal2 metrics
82
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.

2026-09-01
Mithrandir+

Stuff+ and arsenal context

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

2026-09-01
Mithrandir Stuff+104
63
Slider Stuff+114
100
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 2026Season 63%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 Ralston, Jack · Aggregate zone metrics; not pitch-by-pitch locations Edge: 33%33%Zone: 51%51%Whiff: 24%24%Called strike: 21%21%First pitch strike: 61%61%Hard hit allowed: 28%28% 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 Ralston, Jack · 2026 arsenal snapshot Split-Finger: 62.8%Slider: 28.7%4-Seam Fastball: 8.5% FS63% · 82 mphprimary pitch FS 63%SL 29%FF 9% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Ralston, Jack · 2026 arsenal snapshot 12″24″36″48″ Split-Finger: 63% usage, 2″ horizontal break, 39″ drop, 82.2 mphFS82 mphSlider: 29% usage, 1″ horizontal break, 39″ drop, 85.0 mphSL85 mph4-Seam Fastball: 9% usage, 0″ horizontal break, 13″ drop, 93.2 mphFF93 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SL 77.3% 17 114 limited sample
FB 22.7% 5 98 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' 6"
Weight231 lb
Debut2026-08-23
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

2026-03-21 @ STL0 ER / 0 K1.0 IP