Mithrandir Metrics
Player Washington Nationals Refreshed Sep 8 06:00 AM ET
Player profile / Washington Nationals

Riley Cornelio

P · Bats/Throws R/R · 6' 3", 195 lb · Age 26

Cards
0
Modules
0
Live Δ
yes
Club Washington Nationals Position P Roster Current MLB team Status Healthy / active roster
Traditional line

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
2026225.96120022.2231.81
1 Seasons225.96120022.2231.81
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.

2026-09-08
21
Pitching
percentile
Pitching9 metrics
34
Arsenal3 metrics
11
Rolling projection

Preseason / current pace / Bayesian update

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

Pending

Rolling player projection appears after current-season Statcast and projection joins refresh.

Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-09-08
Pitching · percentile strip
WHIP1.86
2
ERA5.96
12
BB%19.4%
0
K%21.3%
43
xwOBA allowed0.314
48
Barrel allowed9.5%
22
Fastball velo96.5
81
Hard-hit allowed47.6%
3
Whiff%29.7%
92
Mithrandir+

Stuff+ and arsenal context

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

2026-09-08
Fastball Stuff+95
14
Mithrandir Stuff+96
12
Slider Stuff+93
6
Rolling form chart

xwOBA allowed snapshot line

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

6 snapshots
Mithrandir Metrics ROLLING XWOBA LINE Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Rolling xwOBA allowed Cornelio, Riley · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 0.314 2026-09-03: 0.3142026-09-04: 0.3142026-09-05: 0.3142026-09-06: 0.3142026-09-07: 0.3142026-09-08: 0.314 2026-09-03 2026-09-08 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.

3Pitches 2026Season 51%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 Cornelio, Riley · Aggregate zone metrics; not pitch-by-pitch locations Edge: 33%33%Zone: 43%43%Whiff: 30%30%Called strike: 12%12%First pitch strike: 46%46%Hard hit allowed: 48%48% 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 Cornelio, Riley · 2026 arsenal snapshot Slider: 50.8%4-Seam Fastball: 43.8%Cutter: 5.5% SL51% · 84 mphprimary pitch SL 51%FF 44%FC 5% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Cornelio, Riley · 2026 arsenal snapshot 12″24″36″48″ Slider: 51% usage, 0″ horizontal break, 36″ drop, 84.5 mphSL84 mph4-Seam Fastball: 44% usage, 1″ horizontal break, 12″ drop, 96.5 mphFF97 mphCutter: 5% usage, 1″ horizontal break, 24″ drop, 90.1 mphFC90 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 56.0% 94 95 limited sample
SL 39.3% 66 93 limited sample
FC 4.8% 8 118 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' 3"
Weight195 lb
Debut2026-04-24
Live layer

Delta / regression

ERA Δ--
K% Δ--
Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
No Mithrandir card history is available for this player yet.
Projection links / recent games

Available detail

No projection links or recent game log rows are available yet.