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

Jonathan Bowlan

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

Cards
0
Modules
0
Live Δ
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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 preseason3.99
ERA current pace4.67
ERA rolling p504.17
Observed weight27%
ERA
2.79 3.45 4.17 4.90 5.55
FIP
2.32 3.03 3.82 4.60 5.31
K%
17.7% 20.0% 22.5% 25.1% 27.4%
BB%
6.0% 7.1% 8.4% 9.7% 10.8%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
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+105
78
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.

6Pitches 2026Season 40%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 Bowlan, Jonathan · Aggregate zone metrics; not pitch-by-pitch locations Edge: 35%35%Zone: 45%45%Whiff: 31%31%Called strike: 15%15%First pitch strike: 52%52%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 Bowlan, Jonathan · 2026 arsenal snapshot 4-Seam Fastball: 39.7%Changeup: 16.3%Sweeper: 14.9%Sinker: 14.3%Slider: 12.2%Curveball: 2.6% MIX FF 40%CH 16%ST 15%SI 14%SL 12%CU 3% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Bowlan, Jonathan · 2026 arsenal snapshot FF: HB -0.3, IVB 0.9FFCH: HB -0.9, IVB 2.4CHST: HB -1.1, IVB 3.2STSI: HB 1.2, IVB 1.3SISL: HB 0.1, IVB 3.1SLCU: HB 0.5, IVB 4.2CU horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 40.2% 119 108 limited sample
SL 27.0% 80 96 limited sample
CH 15.2% 45 105 limited sample
SI 14.9% 44 110 limited sample
CB 2.7% 8 97 limited sample
Method note

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

Reference layer

Current snapshot

Age29
Height6' 6"
Weight240 lb
Debut2023-09-27
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 202622.8% K | 4.45 ERAProjection
2026-04-12 vs AZ0 ER / 2 K0.2 IP
2026-04-08 @ SF0 ER / 1 K1.0 IP
2026-04-06 @ SF0 ER / 2 K1.0 IP
2026-04-01 vs WSH1 ER / 1 K0.2 IP
2026-03-30 vs WSH2 ER / 1 K1.1 IP