Mithrandir Metrics
Player New York Yankees Refreshed Jun 1 06:00 AM ET
Player profile / New York Yankees

Ryan Yarbrough

P profile with live context, projection links, and Mithrandir card history when available.

Cards
2
Modules
1
Live Δ
yes
Club New York Yankees Position P Roster Active Status Healthy / active roster
Rolling projection

Preseason / current pace / Bayesian update

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

2026-06-01
ERA preseason4.43
ERA current pace3.66
ERA rolling p504.19
Observed weight31%
ERA
2.93 3.53 4.19 4.86 5.46
FIP
3.60 3.89 4.21 4.53 4.82
K%
13.0% 14.8% 16.8% 18.8% 20.6%
BB%
5.7% 6.7% 7.8% 8.9% 9.9%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%8.3%
57
Barrel allowed1.2%
99 +50 vs proj
Fastball velo87.4
1
Hard-hit allowed24.7%
99
K%14.8%
7
Whiff%18.2%
14 -16 vs proj
xwOBA allowed0.256
90 +44 vs proj
Mithrandir+

Stuff+ and arsenal context

Stuff+ appears when the current pitch-event scoring artifact includes this pitcher; missing coverage is shown explicitly.

2026-06-01
Mithrandir Stuff+101
45
Rolling form chart

xwOBA allowed snapshot line

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

12 snapshots
Mithrandir Metrics ROLLING XWOBA LINE Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Rolling xwOBA allowed Yarbrough, Ryan · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.2392026-05-19: 0.2642026-05-21: 0.2642026-05-23: 0.2642026-05-24: 0.2642026-05-25: 0.2632026-05-26: 0.2632026-05-28: 0.2572026-05-29: 0.2562026-05-30: 0.2562026-05-31: 0.2562026-06-01: 0.256 2026-05-17 2026-06-01 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 29%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 Yarbrough, Ryan · Aggregate zone metrics; not pitch-by-pitch locations Edge: 38%38%Zone: 51%51%Whiff: 18%18%Called strike: 17%17%First pitch strike: 44%44%Hard hit allowed: 25%25% 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.

2026
Mithrandir Metrics PITCH ARSENAL DONUT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Yarbrough, Ryan · 2026 arsenal snapshot Cutter: 29.1%Changeup: 19.8%4-Seam Fastball: 19.8%Sweeper: 19.3%Sinker: 12.1% MIX FC 29%CH 20%FF 20%ST 19%SI 12% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Yarbrough, Ryan · 2026 arsenal snapshot FC: HB -0.1, IVB 2.4FCCH: HB -1.4, IVB 3.7CHFF: HB 0.3, IVB 1.9FFST: HB -0.4, IVB 3.8STSI: HB 1.1, IVB 2.4SI horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FC 29.6% 93 105 limited sample
SL 20.7% 65 98 limited sample
FB 20.4% 64 92 limited sample
CH 18.8% 59 108 limited sample
SI 10.5% 33 102 limited sample
Method note

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

Reference layer

Current snapshot

Age34
Height6' 5"
Weight205 lb
Debut2018-03-31
Live layer

Delta / regression

ERA Δ-0.77
K% Δ-0.019
Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching22026-03-04Cutter played up through FC/ST tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202616.7% K | 4.43 ERAProjection
2026-04-12 @ TB1 ER / 1 K1.0 IP
2026-04-05 vs MIA0 ER / 3 K1.2 IP
2026-04-03 vs MIA0 ER / 0 K1.0 IP