Mithrandir Metrics
Player Colorado Rockies Refreshed Jun 12 06:00 AM ET
Player profile / Colorado Rockies

Blas Castaño

P · Bats/Throws R/R · 5' 10", 162 lb · Age 27

Cards
0
Modules
0
Live Δ
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Club Colorado Rockies Position P Roster Active Status Healthy / active roster
Traditional line

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
2025009.001003.012.00
2026003.9380018.1161.42
2 Seasons004.6490021.1171.50
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.

2026-06-12
30
Pitching
percentile
Arsenal5 metrics
30
Rolling projection

Preseason / current pace / Bayesian update

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

2026-06-12
ERA preseason4.61
ERA current pace4.15
ERA rolling p504.51
Observed weight22%
ERA
2.06 3.22 4.51 5.80 6.96
FIP
2.67 3.48 4.39 5.29 6.11
K%
7.3% 11.5% 16.2% 20.9% 25.1%
BB%
3.2% 5.5% 8.0% 10.5% 12.8%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-12
Mithrandir+

Stuff+ and arsenal context

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

2026-06-12
Changeup Stuff+102
44
Cutter Stuff+98
16
Mithrandir Stuff+99
25
Sinker Stuff+98
22
Slider Stuff+101
44
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.

5Pitches 2026Season 41%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 Castaño, Blas · Aggregate zone metrics; not pitch-by-pitch locations Edge: 36%36%Zone: 49%49%Whiff: 20%20%Called strike: 20%20%First pitch strike: 56%56%Hard hit allowed: 44%44% 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 Castaño, Blas · 2026 arsenal snapshot Sinker: 40.6%Sweeper: 24.5%Cutter: 16.5%Changeup: 10.3%4-Seam Fastball: 8.0% SI41% · 94 mphprimary pitch SI 41%ST 25%FC 16%CH 10%FF 8% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Castaño, Blas · 2026 arsenal snapshot 12″24″36″48″ Sinker: 41% usage, 2″ horizontal break, 26″ drop, 94.1 mphSI94 mphSweeper: 25% usage, 5″ horizontal break, 38″ drop, 83.0 mphST83 mphCutter: 16% usage, 0″ horizontal break, 27″ drop, 90.2 mphFC90 mphChangeup: 10% usage, 6″ horizontal break, 34″ drop, 89.3 mphCH89 mph4-Seam Fastball: 8% usage, 1″ horizontal break, 19″ drop, 94.4 mphFF94 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SI 41.1% 58 98 limited sample
SL 24.8% 35 101 limited sample
FC 16.3% 23 98 limited sample
CH 11.3% 16 102 limited sample
FB 6.4% 9 85 limited sample
Method note

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

Reference layer

Current snapshot

Age27
Height5' 10"
Weight162 lb
Debut2025-05-28
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

Pitcher Projections 202620.6% K | 4.72 ERAProjection