Mithrandir Metrics
Player St. Louis Cardinals Refreshed Jun 1 06:00 AM ET
Player profile / St. Louis Cardinals

Michael McGreevy

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

Cards
16
Modules
1
Live Δ
yes
Club St. Louis Cardinals 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 preseason4.40
ERA current pace2.98
ERA rolling p503.67
Observed weight52%
ERA
2.49 3.05 3.67 4.29 4.85
FIP
3.58 3.88 4.20 4.53 4.82
K%
14.8% 16.2% 17.7% 19.2% 20.6%
BB%
4.1% 4.8% 5.6% 6.4% 7.2%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%5.9%
87
Barrel allowed10.9%
15 -22 vs proj
Fastball velo90.9
7
Hard-hit allowed40.1%
45
K%18.8%
23
Whiff%18.9%
18
xwOBA allowed0.368
10
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+101
46
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 McGreevy, Michael · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.3722026-05-19: 0.3722026-05-21: 0.3722026-05-23: 0.3742026-05-24: 0.3742026-05-25: 0.3742026-05-26: 0.3742026-05-28: 0.3682026-05-29: 0.3682026-05-30: 0.3682026-05-31: 0.3682026-06-01: 0.368 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.

7Pitches 2026Season 24%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 McGreevy, Michael · Aggregate zone metrics; not pitch-by-pitch locations Edge: 38%38%Zone: 45%45%Whiff: 19%19%Called strike: 17%17%First pitch strike: 47%47%Hard hit allowed: 40%40% 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 McGreevy, Michael · 2026 arsenal snapshot 4-Seam Fastball: 24.3%Changeup: 20.5%Sinker: 16.4%Cutter: 11.7%Curveball: 11.6%Sweeper: 11.2% MIX FF 24%CH 20%SI 16%FC 12%CU 12%ST 11% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal McGreevy, Michael · 2026 arsenal snapshot FF: HB -0.4, IVB 1.7FFCH: HB -0.7, IVB 2.9CHSI: HB 0.6, IVB 2.3SIFC: HB 0.2, IVB 2.6FCCU: HB 0.8, IVB 4.9CUST: HB -1.1, IVB 3.6STSL: HB 0.3, IVB 3.5SL horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 24.0% 231 107 qualified
CH 20.7% 199 100 limited sample
SI 16.8% 162 101 limited sample
SL 15.4% 148 98 limited sample
FC 11.6% 112 99 limited sample
CB 11.5% 111 101 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' 4"
Weight220 lb
Debut2024-07-31
Live layer

Delta / regression

ERA Δ-1.85
K% Δ+0.025

negative regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching162026-05-26Stuff and strike quality carried the outing
Projection links / recent games

Available detail

Pitcher Projections 202616.3% K | 4.83 ERAProjection
2026-05-20 vs PIT3 ER / 1 K5.0 IP
2026-04-20 @ MIA4 ER / 3 K5.2 IP
2026-04-14 vs CLE2 ER / 2 K5.0 IP
2026-04-08 @ WSH1 ER / 1 K6.0 IP
2026-04-03 @ DET3 ER / 4 K4.2 IP