Mithrandir Metrics
Player Arizona Diamondbacks Refreshed Sep 27 06:00 AM ET
Player profile / Arizona Diamondbacks

Corbin Burnes

P · Bats/Throws R/R · 6' 3", 245 lb · Age 31

Cards
3
Modules
1
Live Δ
--
Club Arizona Diamondbacks Position P Roster Current MLB team Status IL-15
Traditional line

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
20241592.9232320194.11811.10
2025322.661111064.1631.17
2026007.8433010.181.55
9 Seasons63383.202131522978.111221.08
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
10
Pitching
percentile
Arsenal4 metrics
10
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 preseason3.29
ERA current pace7.84
ERA rolling p504.03
Observed weight16%
ERA
3.00 3.49 4.03 4.58 5.06
FIP
3.88 4.24 4.64 5.04 5.40
K%
17.0% 19.1% 21.4% 23.6% 25.7%
BB%
5.4% 6.3% 7.3% 8.3% 9.2%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-09-27
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+86
2
Curveball Stuff+95
0
Cutter Stuff+99
24
Mithrandir Stuff+96
12
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 2026Season 54%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 Burnes, Corbin · Aggregate zone metrics; not pitch-by-pitch locations Edge: 42%42%Zone: 43%43%Whiff: 27%27%Called strike: 13%13%First pitch strike: 38%38%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.

Watch the pitches in 3D →

2026
Mithrandir Metrics PITCH ARSENAL DONUT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Burnes, Corbin · 2026 arsenal snapshot Cutter: 53.5%Curveball: 23.7%Changeup: 11.1%Sinker: 7.6%Slider: 4.0% FC54% · 92 mphprimary pitch FC 54%CU 24%CH 11%SI 8%SL 4% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Burnes, Corbin · 2026 arsenal snapshot 15″30″45″60″ Cutter: 54% usage, 0″ horizontal break, 19″ drop, 92.0 mphFC92 mphCurveball: 24% usage, 4″ horizontal break, 54″ drop, 78.1 mphCU78 mphChangeup: 11% usage, 15″ horizontal break, 31″ drop, 85.7 mphCH86 mphSinker: 8% usage, 13″ horizontal break, 22″ drop, 93.1 mphSI93 mphSlider: 4% usage, 4″ horizontal break, 36″ drop, 85.5 mphSL86 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FC 57.7% 71 99 limited sample
CB 22.0% 27 95 limited sample
CH 8.9% 11 86 limited sample
SI 7.3% 9 102 limited sample
SL 4.1% 5 103 limited sample
Method note

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

Reference layer

Current snapshot

Age31
Height6' 3"
Weight245 lb
Debut2018-07-10
Live layer

Delta / regression

No Live State delta is available for this profile yet.

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching32026-09-20Stuff and strike quality carried the outing
Projection links / recent games

Available detail

Pitcher Projections 202621.3% K | 3.58 ERAProjection