Mithrandir Metrics
Player Los Angeles Angels Refreshed Jun 1 06:00 AM ET
Player profile / Los Angeles Angels

Walbert Ureña

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

Cards
8
Modules
1
Live Δ
yes
Club Los Angeles Angels 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 preseason2.71
ERA current pace2.58
ERA rolling p502.65
Observed weight48%
ERA
0.94 1.75 2.65 3.55 4.35
FIP
2.08 2.80 3.61 4.41 5.14
K%
15.7% 18.3% 21.3% 24.2% 26.8%
BB%
6.8% 8.0% 9.4% 10.7% 12.0%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%13.3%
8 -55 vs proj
Barrel allowed5.7%
75 +20 vs proj
Fastball velo97.7
93
Hard-hit allowed33.6%
82
K%21.6%
45 +20 vs proj
Whiff%26.9%
77 +46 vs proj
xwOBA allowed0.289
72
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+99
29
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 Ureña, Walbert · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.2762026-05-19: 0.2762026-05-21: 0.2752026-05-23: 0.2752026-05-24: 0.2902026-05-25: 0.2902026-05-26: 0.2902026-05-28: 0.2902026-05-29: 0.2902026-05-30: 0.2902026-05-31: 0.2892026-06-01: 0.289 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 33%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 Ureña, Walbert · Aggregate zone metrics; not pitch-by-pitch locations Edge: 37%37%Zone: 39%39%Whiff: 27%27%Called strike: 14%14%First pitch strike: 39%39%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 Ureña, Walbert · 2026 arsenal snapshot Changeup: 33.4%Sinker: 30.4%4-Seam Fastball: 21.9%Sweeper: 14.1%Pitch Out: 0.1% MIX CH 33%SI 30%FF 22%ST 14%PO 0% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Ureña, Walbert · 2026 arsenal snapshot CH: HB -0.6, IVB 2.4CHSI: HB 0.1, IVB 1.9SIFF: HB -0.1, IVB 1.4FFST: HB -0.3, IVB 3.3STPO: HB 0.5, IVB 2.5PO horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
CH 37.3% 223 107 qualified
SI 27.8% 166 95 limited sample
FB 21.1% 126 95 limited sample
SL 13.9% 83 102 limited sample
Method note

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

Reference layer

Current snapshot

Age22
Height6' 0"
Weight210 lb
Debut2026-03-26
Live layer

Delta / regression

ERA Δ-1.05
K% Δ+0.026

positive regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching82026-05-23Changeup played up through CH/FF tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202619.0% K | 3.63 ERAProjection
2026-03-26 @ HOU0 ER / 1 K0.2 IP