Mithrandir Metrics
Player Toronto Blue Jays Refreshed Jun 1 06:00 AM ET
Player profile / Toronto Blue Jays

Spencer Miles

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

Cards
1
Modules
1
Live Δ
yes
Club Toronto Blue Jays 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.

Pending

Rolling player projection appears after current-season Statcast and projection joins refresh.

Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%7.3%
70
Barrel allowed5.3%
80
Fastball velo95.9
74
Hard-hit allowed31.6%
88
K%21.8%
48
Whiff%19.2%
19
xwOBA allowed0.298
66
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+107
88
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 Miles, Spencer · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.2882026-05-19: 0.2882026-05-21: 0.2882026-05-23: 0.2842026-05-24: 0.2842026-05-25: 0.2842026-05-26: 0.2842026-05-28: 0.2752026-05-29: 0.2752026-05-30: 0.2752026-05-31: 0.2752026-06-01: 0.298 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.

5Pitches 2026Season 36%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 Miles, Spencer · Aggregate zone metrics; not pitch-by-pitch locations Edge: 39%39%Zone: 50%50%Whiff: 19%19%Called strike: 16%16%First pitch strike: 56%56%Hard hit allowed: 32%32% 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 Miles, Spencer · 2026 arsenal snapshot Sinker: 35.6%Curveball: 23.2%Slider: 20.8%4-Seam Fastball: 20.2%Changeup: 0.3% MIX SI 36%CU 23%SL 21%FF 20%CH 0% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Miles, Spencer · 2026 arsenal snapshot SI: HB 0.2, IVB 1.9SICU: HB 0.4, IVB 4.5CUSL: HB -0.1, IVB 3.0SLFF: HB -0.2, IVB 1.2FFCH: HB -1.2, IVB 2.5CH horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SI 36.0% 210 106 qualified
CB 24.9% 145 106 limited sample
SL 19.7% 115 107 limited sample
FB 19.0% 111 100 limited sample
CH 0.3% 2 104 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' 3"
Weight180 lb
Debut2026-03-28
Live layer

Delta / regression

ERA Δ--
K% Δ--

positive regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching12026-05-10Contact quality stayed muted throughout the start
Projection links / recent games

Available detail

2026-04-17 @ AZ0 ER / 1 K1.0 IP
2026-04-11 vs MIN0 ER / 2 K3.2 IP
2026-04-06 vs LAD1 ER / 1 K1.0 IP
2026-04-05 @ CWS0 ER / 2 K2.0 IP
2026-03-30 vs COL3 ER / 2 K1.2 IP