Mithrandir Metrics
Player Worcester Red Sox Refreshed Sep 27 06:00 AM ET
Player profile / Worcester Red Sox

Raymond Burgos

P · Bats/Throws L/L · 6' 5", 209 lb · Age 27

Cards
1
Modules
1
Live Δ
yes
Club Worcester Red Sox Position P Roster Current MLB team Status Out / inactive
Traditional line

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
2024009.001001.014.00
2026004.2290221.1160.84
2 Seasons004.43100222.1170.99
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.

2026-09-27
72
Pitching
percentile
Pitching9 metrics
57
Arsenal5 metrics
58
Rolling projection

Preseason / current pace / Bayesian update

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

2026-09-27
ERA preseason3.46
ERA current pace4.22
ERA rolling p503.65
Observed weight25%
ERA
1.49 2.52 3.65 4.79 5.81
FIP
1.16 2.30 3.58 4.85 6.00
K%
9.9% 13.7% 18.0% 22.2% 26.0%
BB%
1.9% 3.6% 5.4% 7.3% 8.9%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-09-27
Pitching · percentile strip
WHIP0.84
99
ERA4.22
45
BB%1.2%
100 +47 vs proj
K%19.5%
32 -15 vs proj
xwOBA allowed0.275
86 +31 vs proj
Barrel allowed6.3%
68 +22 vs proj
Fastball velo90.5
5
Hard-hit allowed36.5%
65
Whiff%18.2%
14 -29 vs proj
Mithrandir+

Stuff+ and arsenal context

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

2026-09-27
Changeup Stuff+96
17
Cutter Stuff+99
26
Mithrandir Stuff+106
83
Sinker Stuff+107
85
Slider Stuff+105
78
Rolling form chart

xwOBA allowed snapshot line

Live snapshot series; true 50/100 PA windows require PA-level logs

2 snapshots
Mithrandir Metrics ROLLING XWOBA LINE Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Rolling xwOBA allowed Burgos, Raymond · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 0.275 2026-09-26: 0.2752026-09-27: 0.275 2026-09-26 2026-09-27 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 43%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, Raymond · Aggregate zone metrics; not pitch-by-pitch locations Edge: 36%36%Zone: 56%56%Whiff: 18%18%Called strike: 19%19%First pitch strike: 54%54%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.

Watch the pitches in 3D →

2026
Mithrandir Metrics PITCH ARSENAL DONUT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Burgos, Raymond · 2026 arsenal snapshot Sinker: 43.5%Sweeper: 33.6%Cutter: 11.6%Changeup: 9.2%4-Seam Fastball: 2.1% SI43% · 91 mphprimary pitch SI 43%ST 34%FC 12%CH 9%FF 2% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Burgos, Raymond · 2026 arsenal snapshot 12″24″36″48″ Sinker: 43% usage, 3″ horizontal break, 29″ drop, 90.5 mphSI91 mphSweeper: 34% usage, 2″ horizontal break, 45″ drop, 78.1 mphST78 mphCutter: 12% usage, 0″ horizontal break, 30″ drop, 86.0 mphFC86 mphChangeup: 9% usage, 12″ horizontal break, 38″ drop, 84.6 mphCH85 mph4-Seam Fastball: 2% usage, 7″ horizontal break, 21″ drop, 90.5 mphFF90 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SI 43.1% 106 107 limited sample
SL 30.1% 74 105 limited sample
FC 13.8% 34 99 limited sample
CH 10.6% 26 96 limited sample
FB 2.4% 6 106 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' 5"
Weight209 lb
Debut2024-06-24
Live layer

Delta / regression

ERA Δ-0.36
K% Δ-0.024
Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching12026-03-04Stuff and strike quality carried the outing
Projection links / recent games

Available detail

Pitcher Projections 202622.0% K | 4.58 ERAProjection