Mithrandir Metrics
Player Los Angeles Angels Refreshed Jun 1 06:00 AM ET
Player profile / Los Angeles Angels

Yusei Kikuchi

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

Cards
9
Modules
1
Live Δ
yes
Club Los Angeles Angels Position P Roster Injured 60-Day Status IL-60
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 preseason4.17
ERA current pace5.81
ERA rolling p504.83
Observed weight40%
ERA
3.85 4.31 4.83 5.35 5.82
FIP
3.26 3.67 4.12 4.57 4.97
K%
19.4% 21.0% 22.7% 24.5% 26.1%
BB%
6.8% 7.7% 8.6% 9.5% 10.4%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%10.6%
28 -38 vs proj
Barrel allowed8.3%
41
Fastball velo95.4
70
Hard-hit allowed42.6%
30
K%21.7%
47
Whiff%21.1%
33 -25 vs proj
xwOBA allowed0.340
26 -23 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+104
70
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 Kikuchi, Yusei · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.3412026-05-19: 0.3412026-05-21: 0.3412026-05-23: 0.3412026-05-24: 0.3412026-05-25: 0.3402026-05-26: 0.3402026-05-28: 0.3402026-05-29: 0.3402026-05-30: 0.3402026-05-31: 0.3402026-06-01: 0.340 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 34%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 Kikuchi, Yusei · Aggregate zone metrics; not pitch-by-pitch locations Edge: 34%34%Zone: 45%45%Whiff: 21%21%Called strike: 15%15%First pitch strike: 49%49%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.

2026
Mithrandir Metrics PITCH ARSENAL DONUT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Kikuchi, Yusei · 2026 arsenal snapshot 4-Seam Fastball: 33.9%Slider: 23.6%Split-Finger: 22.2%Cutter: 11.5%Curveball: 8.8% MIX FF 34%SL 24%FS 22%FC 11%CU 9% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Kikuchi, Yusei · 2026 arsenal snapshot FF: HB -0.4, IVB 1.1FFSL: HB 0.1, IVB 2.9SLFS: HB -0.6, IVB 2.3FSFC: HB 0.1, IVB 2.0FCCU: HB 0.5, IVB 4.5CU horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 43.8% 177 104 limited sample
SL 29.7% 120 112 limited sample
FC 15.3% 62 102 limited sample
CB 11.1% 45 102 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' 0"
Weight210 lb
Debut2019-03-21
Live layer

Delta / regression

ERA Δ+1.74
K% Δ-0.014

positive regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching92026-04-294-Seam Fastball played up through FF/SL tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202623.1% K | 4.07 ERAProjection
2026-04-13 @ NYY4 ER / 3 K3.1 IP
2026-04-07 vs ATL4 ER / 8 K5.0 IP
2026-04-01 @ CHC5 ER / 5 K5.1 IP
2026-03-27 @ HOU2 ER / 3 K4.1 IP