Mithrandir Metrics
Player Toronto Blue Jays Refreshed Jun 2 06:00 AM ET
Player profile / Toronto Blue Jays

Trey Yesavage

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

Cards
10
Modules
1
Live Δ
yes
Club Toronto Blue Jays 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.

2026-06-02
ERA preseason3.92
ERA current pace2.25
ERA rolling p503.28
Observed weight38%
ERA
2.22 2.72 3.28 3.84 4.34
FIP
2.53 2.92 3.35 3.78 4.17
K%
24.9% 26.9% 29.1% 31.3% 33.3%
BB%
7.8% 8.9% 10.0% 11.2% 12.3%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-02
Pitching · percentile strip
BB%11.4%
21
Barrel allowed3.3%
94 +45 vs proj
Fastball velo94.3
50
Hard-hit allowed28.3%
96
K%26.2%
76
Whiff%27.7%
80 -17 vs proj
xwOBA allowed0.252
92
Mithrandir+

Stuff+ and arsenal context

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

2026-06-02
Mithrandir Stuff+102
53
Rolling form chart

xwOBA allowed snapshot line

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

10 snapshots
Mithrandir Metrics ROLLING XWOBA LINE Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Rolling xwOBA allowed Yesavage, Trey · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 2026-05-23: 0.2142026-05-24: 0.2142026-05-25: 0.2142026-05-26: 0.2272026-05-28: 0.2272026-05-29: 0.2262026-05-30: 0.2262026-05-31: 0.2262026-06-01: 0.2522026-06-02: 0.252 2026-05-23 2026-06-02 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 47%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 Yesavage, Trey · Aggregate zone metrics; not pitch-by-pitch locations Edge: 38%38%Zone: 44%44%Whiff: 28%28%Called strike: 13%13%First pitch strike: 46%46%Hard hit allowed: 28%28% 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 Yesavage, Trey · 2026 arsenal snapshot 4-Seam Fastball: 46.9%Split-Finger: 32.5%Slider: 20.6% MIX FF 47%FS 32%SL 21% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Yesavage, Trey · 2026 arsenal snapshot FF: HB -0.0, IVB 0.9FFFS: HB -0.4, IVB 2.8FSSL: HB 0.1, IVB 2.4SL horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 69.9% 241 105 qualified
SL 30.1% 104 102 limited sample
Method note

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

Reference layer

Current snapshot

Age22
Height6' 4"
Weight225 lb
Debut2025-09-15
Live layer

Delta / regression

ERA Δ-1.52
K% Δ-0.038

positive regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching102026-05-254-Seam Fastball played up through FF/FS tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202630.0% K | 3.77 ERAProjection
2026-05-20 @ NYY0 ER / 8 K6.0 IP