Mithrandir Metrics
Player Texas Rangers Refreshed Jun 1 06:00 AM ET
Player profile / Texas Rangers

Jakob Junis

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

Cards
1
Modules
1
Live Δ
yes
Club Texas Rangers 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 preseason3.73
ERA current pace1.50
ERA rolling p503.08
Observed weight29%
ERA
1.75 2.38 3.08 3.77 4.40
FIP
2.63 3.10 3.63 4.15 4.63
K%
15.2% 17.6% 20.2% 22.8% 25.1%
BB%
3.5% 4.6% 5.9% 7.1% 8.2%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%6.0%
86
Barrel allowed4.1%
89 +45 vs proj
Fastball velo91.7
15
Hard-hit allowed30.1%
93
K%19.0%
25
Whiff%17.7%
11 -19 vs proj
xwOBA allowed0.295
66 +25 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+107
86
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 Junis, Jakob · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.3152026-05-19: 0.3152026-05-21: 0.3142026-05-23: 0.3072026-05-24: 0.3072026-05-25: 0.2932026-05-26: 0.2932026-05-28: 0.2922026-05-29: 0.2922026-05-30: 0.2922026-05-31: 0.2922026-06-01: 0.295 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.

4Pitches 2026Season 42%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 Junis, Jakob · Aggregate zone metrics; not pitch-by-pitch locations Edge: 39%39%Zone: 54%54%Whiff: 18%18%Called strike: 22%22%First pitch strike: 54%54%Hard hit allowed: 30%30% 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 Junis, Jakob · 2026 arsenal snapshot Slider: 41.9%Changeup: 23.4%Sinker: 19.9%4-Seam Fastball: 14.8% MIX SL 42%CH 23%SI 20%FF 15% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Junis, Jakob · 2026 arsenal snapshot SL: HB -0.2, IVB 3.5SLCH: HB -0.5, IVB 2.9CHSI: HB 0.3, IVB 2.2SIFF: HB -0.0, IVB 1.6FF horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SL 41.8% 132 109 limited sample
CH 22.8% 72 109 limited sample
SI 20.3% 64 104 limited sample
FB 15.2% 48 98 limited sample
Method note

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

Reference layer

Current snapshot

Age33
Height6' 3"
Weight238 lb
Debut2017-04-12
Live layer

Delta / regression

ERA Δ-2.57
K% Δ-0.001
Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching12026-05-11Slider played up through SL/SI tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202619.1% K | 4.07 ERAProjection
2026-05-20 @ COL0 ER / 0 K1.0 IP
2026-04-12 @ LAD0 ER / 2 K1.0 IP
2026-04-07 vs SEA0 ER / 0 K1.0 IP
2026-04-06 vs SEA0 ER / 0 K1.0 IP
2026-04-03 vs CIN0 ER / 1 K1.0 IP