Mithrandir Metrics
Player Pittsburgh Pirates Refreshed Jun 2 06:00 AM ET
Player profile / Pittsburgh Pirates

Bubba Chandler

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

Cards
13
Modules
1
Live Δ
yes
Club Pittsburgh Pirates 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.

2026-06-02
ERA preseason4.10
ERA current pace4.85
ERA rolling p504.47
Observed weight50%
ERA
3.18 3.79 4.47 5.15 5.76
FIP
3.50 3.89 4.34 4.78 5.18
K%
20.1% 21.7% 23.6% 25.4% 27.1%
BB%
8.4% 9.4% 10.6% 11.7% 12.8%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-02
Pitching · percentile strip
BB%15.3%
4 -73 vs proj
Barrel allowed9.6%
28
Fastball velo98.4
97
Hard-hit allowed36.3%
69
K%22.0%
48
Whiff%21.6%
39 -30 vs proj
xwOBA allowed0.337
30
Mithrandir+

Stuff+ and arsenal context

Stuff+ appears when the current pitch-event scoring artifact includes this pitcher; missing coverage is shown explicitly.

2026-06-02
Mithrandir Stuff+108
90
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 Chandler, Bubba · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 2026-05-19: 0.3482026-05-21: 0.3482026-05-23: 0.3352026-05-24: 0.3342026-05-25: 0.3342026-05-26: 0.3342026-05-28: 0.3372026-05-29: 0.3372026-05-30: 0.3372026-05-31: 0.3372026-06-01: 0.3372026-06-02: 0.337 2026-05-19 2026-06-02 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 51%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 Chandler, Bubba · Aggregate zone metrics; not pitch-by-pitch locations Edge: 37%37%Zone: 47%47%Whiff: 22%22%Called strike: 14%14%First pitch strike: 50%50%Hard hit allowed: 36%36% 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 Chandler, Bubba · 2026 arsenal snapshot 4-Seam Fastball: 51.4%Changeup: 19.0%Slider: 12.8%Sweeper: 7.8%Sinker: 5.7%Curveball: 3.2% MIX FF 51%CH 19%SL 13%ST 8%SI 6%CU 3% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Chandler, Bubba · 2026 arsenal snapshot FF: HB -0.1, IVB 0.8FFCH: HB -0.8, IVB 2.1CHSL: HB -0.0, IVB 2.6SLST: HB -0.4, IVB 2.9STSI: HB 0.6, IVB 1.2SICU: HB -0.0, IVB 3.2CUPO: HB 0.5, IVB 1.0PO horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 51.4% 483 107 qualified
SL 20.6% 193 106 limited sample
CH 19.1% 179 111 limited sample
SI 5.8% 54 97 limited sample
CB 3.2% 30 103 limited sample
Method note

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

Reference layer

Current snapshot

Age23
Height6' 3"
Weight206 lb
Debut2025-08-22
Live layer

Delta / regression

ERA Δ+1.00
K% Δ-0.008

positive regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching132026-05-274-Seam Fastball played up through SI/SL tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202622.9% K | 3.85 ERAProjection
2026-04-17 vs TB1 ER / 3 K6.0 IP
2026-04-12 @ CHC3 ER / 4 K5.1 IP
2026-04-06 vs SD3 ER / 4 K4.1 IP
2026-03-31 @ CIN0 ER / 6 K4.1 IP