Mithrandir Metrics
Player Miami Marlins Refreshed Jun 1 06:00 AM ET
Player profile / Miami Marlins

Sandy Alcantara

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

Cards
15
Modules
1
Live Δ
yes
Club Miami Marlins 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 preseason4.75
ERA current pace4.66
ERA rolling p504.70
Observed weight60%
ERA
3.50 4.07 4.70 5.32 5.89
FIP
3.25 3.64 4.07 4.50 4.89
K%
16.1% 17.3% 18.5% 19.8% 21.0%
BB%
5.4% 6.0% 6.7% 7.4% 8.0%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%6.1%
85 +16 vs proj
Barrel allowed6.3%
69 +31 vs proj
Fastball velo97.1
89
Hard-hit allowed37.9%
57
K%17.5%
16
Whiff%19.6%
21
xwOBA allowed0.309
54 +26 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+108
89
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 Alcantara, Sandy · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.2902026-05-19: 0.2902026-05-21: 0.2902026-05-23: 0.2932026-05-24: 0.2932026-05-25: 0.2922026-05-26: 0.2922026-05-28: 0.3092026-05-29: 0.3092026-05-30: 0.3092026-05-31: 0.3092026-06-01: 0.309 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.

6Pitches 2026Season 23%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 Alcantara, Sandy · Aggregate zone metrics; not pitch-by-pitch locations Edge: 38%38%Zone: 52%52%Whiff: 20%20%Called strike: 17%17%First pitch strike: 53%53%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.

2026
Mithrandir Metrics PITCH ARSENAL DONUT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Alcantara, Sandy · 2026 arsenal snapshot Sinker: 22.9%Changeup: 21.1%Slider: 20.9%4-Seam Fastball: 20.4%Sweeper: 7.5%Cutter: 7.3% MIX SI 23%CH 21%SL 21%FF 20%ST 7%FC 7% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Alcantara, Sandy · 2026 arsenal snapshot SI: HB -0.1, IVB 1.7SICH: HB -0.7, IVB 2.5CHSL: HB 0.0, IVB 2.9SLFF: HB -0.3, IVB 1.3FFST: HB 0.1, IVB 3.2STFC: HB 0.0, IVB 2.3FC horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SL 28.5% 329 102 qualified
SI 22.7% 262 109 qualified
CH 21.9% 253 109 qualified
FB 20.1% 232 107 qualified
FC 6.8% 79 102 limited sample
Method note

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

Reference layer

Current snapshot

Age30
Height6' 5"
Weight200 lb
Debut2017-09-03
Live layer

Delta / regression

ERA Δ-0.25
K% Δ-0.006

positive regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching152026-05-26Slider played up through SL/SI tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202618.1% K | 4.91 ERAProjection
2026-04-12 @ DET7 ER / 4 K6.0 IP
2026-04-07 vs CIN2 ER / 6 K8.1 IP
2026-04-01 vs CWS0 ER / 7 K9.0 IP
2026-03-27 vs COL0 ER / 5 K7.0 IP