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

Justin Wrobleski

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

Cards
10
Modules
1
Live Δ
yes
Club Los Angeles Dodgers 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 preseason4.45
ERA current pace3.07
ERA rolling p503.73
Observed weight52%
ERA
2.58 3.12 3.73 4.34 4.88
FIP
2.61 3.07 3.59 4.10 4.56
K%
18.0% 19.4% 20.9% 22.5% 23.9%
BB%
4.7% 5.5% 6.3% 7.2% 8.0%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%5.3%
92 +19 vs proj
Barrel allowed7.5%
54
Fastball velo93.8
39
Hard-hit allowed40.8%
41
K%17.1%
15 -55 vs proj
Whiff%17.6%
10 -19 vs proj
xwOBA allowed0.310
54 -15 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
64
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 Wrobleski, Justin · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.3132026-05-19: 0.3132026-05-21: 0.3132026-05-23: 0.3202026-05-24: 0.3202026-05-25: 0.3202026-05-26: 0.3202026-05-28: 0.3202026-05-29: 0.3202026-05-30: 0.3202026-05-31: 0.3102026-06-01: 0.310 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.

7Pitches 2026Season 51%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 Wrobleski, Justin · Aggregate zone metrics; not pitch-by-pitch locations Edge: 36%36%Zone: 54%54%Whiff: 18%18%Called strike: 18%18%First pitch strike: 52%52%Hard hit allowed: 41%41% 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 Wrobleski, Justin · 2026 arsenal snapshot 4-Seam Fastball: 50.9%Slider: 33.8%Curveball: 5.4%Sinker: 5.2%Changeup: 3.1%Sweeper: 0.8% MIX FF 51%SL 34%CU 5%SI 5%CH 3%ST 1% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Wrobleski, Justin · 2026 arsenal snapshot FF: HB -0.2, IVB 1.3FFSL: HB 0.1, IVB 3.1SLCU: HB 0.4, IVB 4.6CUSI: HB 1.0, IVB 1.8SICH: HB -0.9, IVB 2.6CHST: HB 0.8, IVB 4.3STFC: HB 0.1, IVB 2.0FC horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 51.1% 419 106 qualified
SL 33.9% 278 101 qualified
CB 6.0% 49 102 limited sample
SI 5.0% 41 100 limited sample
CH 3.4% 28 102 limited sample
FC 0.6% 5 56 limited sample
Method note

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

Reference layer

Current snapshot

Age25
Height6' 1"
Weight194 lb
Debut2024-07-07
Live layer

Delta / regression

ERA Δ-1.14
K% Δ-0.081

negative regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching102026-05-224-Seam Fastball played up through FF/SL tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202625.2% K | 4.21 ERAProjection
2026-04-20 @ COL1 ER / 3 K7.0 IP
2026-04-13 vs NYM0 ER / 2 K8.0 IP
2026-04-06 @ TOR1 ER / 2 K5.0 IP
2026-03-30 vs CLE3 ER / 2 K4.0 IP