Mithrandir Metrics
Player Toledo Mud Hens Refreshed Jun 17 06:00 AM ET
Player profile / Toledo Mud Hens

Beau Brieske

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

Cards
0
Modules
0
Live Δ
--
Club Toledo Mud Hens Position P Roster profile Status Out / inactive
At a glance

Season percentile report

The headline weighs outcome stats (xwOBA, barrels); each bar averages its full strip group below. 100 = best in MLB.

2026-06-17
19
Pitching
percentile
Arsenal2 metrics
19
Rolling projection

Preseason / current pace / Bayesian update

Rolling bands shrink current-season signal toward the preseason prior until the sample earns more weight.

2026-06-17
ERA preseason3.91
ERA current pace12.46
ERA rolling p504.60
Observed weight8%
ERA
3.25 3.89 4.60 5.31 5.95
FIP
3.78 4.16 4.58 4.99 5.37
K%
16.7% 19.6% 22.8% 26.0% 28.9%
BB%
7.3% 8.5% 9.8% 11.1% 12.2%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-17
Mithrandir+

Stuff+ and arsenal context

How nasty this pitcher's stuff grades in our pitch-level model. Missing coverage is shown explicitly.

2026-06-17
Fastball Stuff+98
24
Mithrandir Stuff+96
15
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 2025Season 48%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 Brieske, Beau · Aggregate zone metrics; not pitch-by-pitch locations Edge: 40%40%Zone: 46%46%Whiff: 29%29%Called strike: 10%10%First pitch strike: 48%48%Hard hit allowed: 54%54% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Pitch arsenal

Usage mix, movement map, and Stuff+ composition

2025 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.

Watch the pitches in 3D →

2025
Mithrandir Metrics PITCH ARSENAL DONUT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Brieske, Beau · 2025 arsenal snapshot 4-Seam Fastball: 48.5%Changeup: 24.8%Sinker: 15.7%Slider: 11.1% FF48% · 96 mphprimary pitch FF 48%CH 25%SI 16%SL 11% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Brieske, Beau · 2025 arsenal snapshot 9″18″27″36″ 4-Seam Fastball: 48% usage, 1″ horizontal break, 12″ drop, 95.7 mphFF96 mphChangeup: 25% usage, 7″ horizontal break, 28″ drop, 89.7 mphCH90 mphSinker: 16% usage, 12″ horizontal break, 14″ drop, 95.7 mphSI96 mphSlider: 11% usage, 2″ horizontal break, 33″ drop, 87.8 mphSL88 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 72.0% 18 98 limited sample
SI 12.0% 3 98 limited sample
SL 8.0% 2 87 limited sample
CH 8.0% 2 86 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' 3"
Weight200 lb
Debut2022-04-23
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 | 4.09 ERAProjection