Mithrandir Metrics
Player Las Vegas Aviators Refreshed Jun 2 06:00 AM ET
Player profile / Las Vegas Aviators

Mason Barnett

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

Cards
3
Modules
1
Live Δ
--
Club Las Vegas Aviators 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 preseason4.44
ERA current pace0.00
ERA rolling p504.28
Observed weight4%
ERA
2.60 3.40 4.28 5.17 5.97
FIP
3.25 3.77 4.34 4.91 5.43
K%
12.4% 15.6% 19.2% 22.7% 25.9%
BB%
6.4% 7.7% 9.2% 10.7% 12.0%
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+90
7
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 2025Season 53%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 Barnett, Mason · Aggregate zone metrics; not pitch-by-pitch locations Edge: 23%23%Zone: 35%35%Whiff: 17%17%Called strike: 7%7%First pitch strike: 56%56%Hard hit allowed: 33%33% 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 Barnett, Mason · 2025 arsenal snapshot 4-Seam Fastball: 53.4%Sweeper: 21.3%Curveball: 15.1%Changeup: 10.2% MIX FF 53%ST 21%CU 15%CH 10% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Barnett, Mason · 2025 arsenal snapshot FF: HB 0.0, IVB 1.3FFST: HB -0.5, IVB 3.0STCU: HB -0.1, IVB 5.1CUCH: HB -0.3, IVB 3.1CH horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SL 46.5% 20 97 limited sample
FB 37.2% 16 80 limited sample
CB 14.0% 6 107 limited sample
CH 2.3% 1 70 limited sample
Method note

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

Reference layer

Current snapshot

Age25
Height6' 0"
Weight218 lb
Debut2025-08-30
Live layer

Delta / regression

No Live State delta is available for this profile yet.

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching32026-03-074-Seam Fastball played up through FF/CH tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202622.1% K | 4.91 ERAProjection