Mithrandir Metrics
Player HOU Refreshed Jul 18 06:00 AM ET
Player profile / HOU

Jason Alexander

Player · Bats/Throws R/R · 6' 2", 227 lb · Age 33

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

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
2022235.401811071.2461.62
2025424.771813177.1651.37
2026119.3342018.1141.58
3 Seasons765.5440261167.11251.50
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.

2026-07-18
42
Pitching
percentile
Arsenal6 metrics
42
Rolling projection

Preseason / current pace / Bayesian update

Rolling bands shrink current-season signal toward the preseason prior until the sample earns more weight.

2026-07-18
ERA preseason4.44
ERA current pace9.33
ERA rolling p505.70
Observed weight26%
ERA
4.35 4.99 5.70 6.42 7.06
FIP
4.25 4.67 5.14 5.61 6.03
K%
15.1% 16.7% 18.4% 20.2% 21.8%
BB%
5.6% 6.5% 7.6% 8.7% 9.6%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-07-18
Mithrandir+

Stuff+ and arsenal context

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

2026-07-18
Changeup Stuff+101
42
Cutter Stuff+100
34
Fastball Stuff+104
68
Mithrandir Stuff+100
36
Sinker Stuff+97
15
Slider Stuff+104
59
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.

6Pitches 2026Season 35%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 Alexander, Jason · Aggregate zone metrics; not pitch-by-pitch locations Edge: 40%40%Zone: 51%51%Whiff: 19%19%Called strike: 18%18%First pitch strike: 52%52%Hard hit allowed: 38%38% 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 Alexander, Jason · 2026 arsenal snapshot Changeup: 35.1%Sinker: 23.4%4-Seam Fastball: 23.1%Cutter: 7.4%Sweeper: 6.0%Slider: 5.0% CH35% · 80 mphprimary pitch CH 35%SI 23%FF 23%FC 7%ST 6%SL 5% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Alexander, Jason · 2026 arsenal snapshot 12″24″36″48″ Changeup: 35% usage, 11″ horizontal break, 40″ drop, 80.4 mphCH80 mphSinker: 23% usage, 5″ horizontal break, 31″ drop, 91.0 mphSI91 mph4-Seam Fastball: 23% usage, 9″ horizontal break, 20″ drop, 91.5 mphFF92 mphCutter: 7% usage, 3″ horizontal break, 32″ drop, 85.4 mphFC85 mphSweeper: 6% usage, 9″ horizontal break, 45″ drop, 78.6 mphST79 mphSlider: 5% usage, 1″ horizontal break, 35″ drop, 81.8 mphSL82 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
CH 35.1% 105 101 limited sample
SI 23.4% 70 97 limited sample
FB 23.1% 69 104 limited sample
SL 11.0% 33 104 limited sample
FC 7.4% 22 100 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
Pitching52026-05-26Changeup played up through SI/ST tunnel quality
Projection links / recent games

Available detail

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