Mithrandir Metrics
Player Reno Aces Refreshed Sep 26 06:00 AM ET
Player profile / Reno Aces

Juan Burgos

P · Bats/Throws R/R · 6' 0", 190 lb · Age 26

Cards
0
Modules
0
Live Δ
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Club Reno Aces Position P Roster Current MLB team Status Out / inactive
Traditional line

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
2025116.08130013.1141.88
2026002.084004.100.69
2 Seasons115.09170017.2141.58
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.

2026-09-26
66
Pitching
percentile
Arsenal3 metrics
66
Rolling projection

Preseason / current pace / Bayesian update

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

2026-09-26
ERA preseason4.10
ERA current pace2.08
ERA rolling p503.97
Observed weight7%
ERA
1.23 2.53 3.97 5.41 6.70
FIP
2.66 3.39 4.20 5.01 5.74
K%
11.4% 14.9% 18.8% 22.7% 26.2%
BB%
4.8% 6.6% 8.6% 10.6% 12.4%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-09-26
Mithrandir+

Stuff+ and arsenal context

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

2026-09-26
Cutter Stuff+107
95
Mithrandir Stuff+107
90
Sinker Stuff+96
13
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.

5Pitches 2025Season 35%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 Burgos, Juan · Aggregate zone metrics; not pitch-by-pitch locations Edge: 38%38%Zone: 53%53%Whiff: 10%10%Called strike: 11%11%First pitch strike: 24%24%Hard hit allowed: 25%25% 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 Burgos, Juan · 2025 arsenal snapshot Cutter: 34.7%Sinker: 31.8%Sweeper: 29.3%Changeup: 2.1%Curveball: 2.1% FC35% · 92 mphprimary pitch FC 35%SI 32%ST 29%CH 2%CU 2% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Burgos, Juan · 2025 arsenal snapshot 12″24″36″48″ Cutter: 35% usage, 1″ horizontal break, 27″ drop, 91.8 mphFC92 mphSinker: 32% usage, 5″ horizontal break, 26″ drop, 95.8 mphSI96 mphSweeper: 29% usage, 7″ horizontal break, 37″ drop, 85.2 mphST85 mphChangeup: 2% usage, 17″ horizontal break, 30″ drop, 92.5 mphCH92 mphCurveball: 2% usage, 9″ horizontal break, 42″ drop, 82.7 mphCU83 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FC 34.3% 12 107 limited sample
SI 31.4% 11 96 limited sample
SL 25.7% 9 111 limited sample
FB 8.6% 3 105 limited sample
Method note

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

Reference layer

Current snapshot

Age26
Height6' 0"
Weight190 lb
Debut2025-07-01
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 202623.3% K | 4.14 ERAProjection