Mithrandir Metrics
Player Seattle Mariners Refreshed Jun 2 06:00 AM ET
Player profile / Seattle Mariners

Alex Hoppe

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

Cards
0
Modules
0
Live Δ
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Club Seattle Mariners 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 preseason3.86
ERA current pace6.35
ERA rolling p504.37
Observed weight21%
ERA
2.06 3.16 4.37 5.59 6.68
FIP
1.20 2.29 3.49 4.70 5.79
K%
8.6% 12.4% 16.6% 20.9% 24.7%
BB%
3.6% 5.2% 7.1% 9.0% 10.6%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-02
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+101
43
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 49%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 Hoppe, Alex · Aggregate zone metrics; not pitch-by-pitch locations Edge: 31%31%Zone: 45%45%Whiff: 23%23%Called strike: 15%15%First pitch strike: 47%47%Hard hit allowed: 40%40% 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 Hoppe, Alex · 2026 arsenal snapshot Slider: 49.2%4-Seam Fastball: 32.7%Sinker: 17.7%Changeup: 0.4% MIX SL 49%FF 33%SI 18%CH 0% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Hoppe, Alex · 2026 arsenal snapshot SL: HB 0.1, IVB 3.2SLFF: HB -0.1, IVB 1.2FFSI: HB 0.8, IVB 1.6SICH: HB -1.6, IVB 2.0CH horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SL 47.6% 99 97 limited sample
FB 34.1% 71 104 limited sample
SI 18.3% 38 100 limited sample
Method note

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

Reference layer

Current snapshot

Age27
Height6' 1"
Weight200 lb
Debut2026-04-27
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 202620.5% K | 4.59 ERAProjection