Mithrandir Metrics
Player Houston Astros Refreshed Jun 1 06:00 AM ET
Player profile / Houston Astros

AJ Blubaugh

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

Cards
0
Modules
0
Live Δ
yes
Club Houston Astros Position P Roster Active Status Healthy / active roster
Rolling projection

Preseason / current pace / Bayesian update

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

2026-06-01
ERA preseason3.50
ERA current pace4.81
ERA rolling p504.05
Observed weight42%
ERA
2.55 3.26 4.05 4.83 5.54
FIP
3.83 4.22 4.66 5.10 5.49
K%
19.7% 21.4% 23.2% 25.1% 26.8%
BB%
8.2% 9.3% 10.5% 11.8% 12.9%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%13.2%
10 -25 vs proj
Barrel allowed7.8%
50
Fastball velo95.6
72
Hard-hit allowed33.6%
81
K%19.0%
24 -45 vs proj
Whiff%26.6%
75
xwOBA allowed0.336
31 -35 vs proj
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+100
33
Rolling form chart

xwOBA allowed snapshot line

Live snapshot series; true 50/100 PA windows require PA-level logs

12 snapshots
Mithrandir Metrics ROLLING XWOBA LINE Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Rolling xwOBA allowed Blubaugh, Aj · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.3532026-05-19: 0.3532026-05-21: 0.3462026-05-23: 0.3452026-05-24: 0.3452026-05-25: 0.3492026-05-26: 0.3492026-05-28: 0.3512026-05-29: 0.3512026-05-30: 0.3512026-05-31: 0.3512026-06-01: 0.336 2026-05-17 2026-06-01 xwOBA allowed MITHRANDIR · CHARTS
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 48%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 Blubaugh, Aj · Aggregate zone metrics; not pitch-by-pitch locations Edge: 35%35%Zone: 46%46%Whiff: 27%27%Called strike: 14%14%First pitch strike: 45%45%Hard hit allowed: 34%34% 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 Blubaugh, Aj · 2026 arsenal snapshot 4-Seam Fastball: 48.1%Changeup: 23.4%Sweeper: 19.1%Cutter: 6.9%Curveball: 2.4% MIX FF 48%CH 23%ST 19%FC 7%CU 2% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Blubaugh, Aj · 2026 arsenal snapshot FF: HB -0.1, IVB 1.1FFCH: HB -0.5, IVB 2.8CHST: HB -0.5, IVB 3.0STFC: HB -0.1, IVB 2.2FCCU: HB 0.5, IVB 4.6CU horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 47.1% 280 102 qualified
CH 25.6% 152 99 limited sample
SL 20.4% 121 104 limited sample
FC 4.7% 28 97 limited sample
CB 2.2% 13 96 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' 2"
Weight190 lb
Debut2025-04-30
Live layer

Delta / regression

ERA Δ+0.56
K% Δ-0.061

negative regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
No Mithrandir card history is available for this player yet.
Projection links / recent games

Available detail

Pitcher Projections 202625.1% K | 4.25 ERAProjection
2026-05-20 @ MIN0 ER / 1 K1.0 IP
2026-04-20 @ CLE0 ER / 1 K1.0 IP
2026-04-14 vs COL1 ER / 1 K1.1 IP
2026-04-11 @ SEA0 ER / 0 K1.0 IP
2026-04-08 @ COL5 ER / 0 K1.0 IP