Mithrandir Metrics
Player San Francisco Giants Refreshed Jun 1 06:00 AM ET
Player profile / San Francisco Giants

Erik Miller

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

Cards
0
Modules
0
Live Δ
--
Club San Francisco Giants 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 preseason3.58
ERA current pace4.70
ERA rolling p503.86
Observed weight25%
ERA
2.06 2.91 3.86 4.80 5.65
FIP
2.41 2.98 3.61 4.24 4.81
K%
21.8% 24.4% 27.3% 30.3% 32.9%
BB%
9.2% 11.0% 13.1% 15.1% 17.0%
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+103
59
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.

4Pitches 2026Season 44%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 Miller, Erik · Aggregate zone metrics; not pitch-by-pitch locations Edge: 36%36%Zone: 40%40%Whiff: 32%32%Called strike: 18%18%First pitch strike: 42%42%Hard hit allowed: 37%37% 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 Miller, Erik · 2026 arsenal snapshot Sinker: 43.9%Slider: 36.7%4-Seam Fastball: 11.4%Changeup: 8.0% MIX SI 44%SL 37%FF 11%CH 8% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Miller, Erik · 2026 arsenal snapshot SI: HB 0.1, IVB 1.7SISL: HB 0.1, IVB 3.1SLFF: HB -0.2, IVB 1.2FFCH: HB -1.2, IVB 2.6CH horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SI 45.6% 152 104 limited sample
SL 37.2% 124 104 limited sample
FB 8.7% 29 89 limited sample
CH 8.4% 28 89 limited sample
Method note

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

Reference layer

Current snapshot

Age28
Height6' 5"
Weight269 lb
Debut2024-03-28
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 202625.5% K | 3.80 ERAProjection
2026-04-12 @ BAL0 ER / 1 K1.0 IP
2026-04-08 vs PHI0 ER / 2 K1.0 IP
2026-04-05 vs NYM2 ER / 2 K0.2 IP
2026-04-03 vs NYM2 ER / 1 K0.2 IP
2026-03-27 vs NYY0 ER / 0 K1.0 IP