Mithrandir Metrics
Player Washington Nationals Refreshed Sep 1 06:00 AM ET
Player profile / Washington Nationals

Jackson Kent

P · Bats/Throws L/L · 6' 3", 219 lb · Age 23

Cards
4
Modules
1
Live Δ
--
Club Washington Nationals Position P Roster Current MLB team Status Healthy / active roster
Traditional line

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
2026125.5944019.1171.71
1 Seasons125.5944019.1171.71
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.

2026-09-01
22
Pitching
percentile
Arsenal5 metrics
22
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.

2026-09-01
Mithrandir+

Stuff+ and arsenal context

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

2026-09-01
Changeup Stuff+94
8
Curveball Stuff+101
30
Fastball Stuff+100
34
Mithrandir Stuff+95
12
Slider Stuff+99
26
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 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 Kent, Jackson · Aggregate zone metrics; not pitch-by-pitch locations Edge: 39%39%Zone: 42%42%Whiff: 18%18%Called strike: 15%15%First pitch strike: 45%45%Hard hit allowed: 43%43% 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 Kent, Jackson · 2026 arsenal snapshot 4-Seam Fastball: 35.2%Changeup: 21.2%Slider: 17.9%Curveball: 13.7%Sinker: 12.0% FF35% · 93 mphprimary pitch FF 35%CH 21%SL 18%CU 14%SI 12% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Kent, Jackson · 2026 arsenal snapshot 15″30″45″60″ 4-Seam Fastball: 35% usage, 3″ horizontal break, 16″ drop, 93.1 mphFF93 mphChangeup: 21% usage, 15″ horizontal break, 31″ drop, 85.7 mphCH86 mphSlider: 18% usage, 0″ horizontal break, 34″ drop, 86.8 mphSL87 mphCurveball: 14% usage, 5″ horizontal break, 59″ drop, 79.1 mphCU79 mphSinker: 12% usage, 8″ horizontal break, 20″ drop, 92.8 mphSI93 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 32.2% 29 100 limited sample
CH 28.9% 26 94 limited sample
SL 20.0% 18 99 limited sample
CB 11.1% 10 101 limited sample
SI 7.8% 7 84 limited sample
Method note

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

Reference layer

Current snapshot

Age23
Height6' 3"
Weight219 lb
Debut2026-08-12
Live layer

Delta / regression

No Live State delta is available for this profile yet.

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching42026-08-28Run prevention outpaced the underlying contact signals
Projection links / recent games

Available detail

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