Mithrandir Metrics
Player Philadelphia Phillies Refreshed Jun 1 06:00 AM ET
Player profile / Philadelphia Phillies

Zack Wheeler

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

Cards
7
Modules
1
Live Δ
yes
Club Philadelphia Phillies 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 preseason3.08
ERA current pace1.67
ERA rolling p502.51
Observed weight41%
ERA
1.55 2.00 2.51 3.01 3.47
FIP
2.93 3.14 3.37 3.60 3.81
K%
22.4% 24.3% 26.3% 28.4% 30.2%
BB%
3.8% 4.5% 5.3% 6.0% 6.7%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%5.5%
91
Barrel allowed8.0%
47
Fastball velo94.9
61
Hard-hit allowed38.1%
56
K%24.4%
62 -19 vs proj
Whiff%21.8%
40 -28 vs proj
xwOBA allowed0.284
76
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
94
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 Wheeler, Zack · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.2992026-05-19: 0.2942026-05-21: 0.2942026-05-23: 0.2942026-05-24: 0.2842026-05-25: 0.2842026-05-26: 0.2842026-05-28: 0.2842026-05-29: 0.2842026-05-30: 0.2842026-05-31: 0.2842026-06-01: 0.284 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 37%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 Wheeler, Zack · Aggregate zone metrics; not pitch-by-pitch locations Edge: 39%39%Zone: 43%43%Whiff: 22%22%Called strike: 14%14%First pitch strike: 60%60%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 Wheeler, Zack · 2026 arsenal snapshot 4-Seam Fastball: 37.2%Sinker: 16.9%Split-Finger: 14.0%Sweeper: 12.5%Cutter: 11.1%Curveball: 8.3% MIX FF 37%SI 17%FS 14%ST 12%FC 11%CU 8% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Wheeler, Zack · 2026 arsenal snapshot FF: HB -0.5, IVB 1.3FFSI: HB 0.8, IVB 1.9SIFS: HB -1.0, IVB 2.9FSST: HB -0.5, IVB 3.6STFC: HB -0.1, IVB 1.9FCCU: HB 1.1, IVB 4.5CU horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 43.1% 206 110 qualified
SI 20.1% 96 109 limited sample
SL 13.8% 66 103 limited sample
FC 13.8% 66 102 limited sample
CB 9.2% 44 96 limited sample
Method note

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

Reference layer

Current snapshot

Age36
Height6' 4"
Weight195 lb
Debut2013-06-18
Live layer

Delta / regression

ERA Δ-1.56
K% Δ-0.031

negative regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching72026-05-234-Seam Fastball played up through FF/FS tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202627.5% K | 3.23 ERAProjection