Mithrandir Metrics
Player Milwaukee Brewers Refreshed Jun 1 06:00 AM ET
Player profile / Milwaukee Brewers

Dl Hall

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

Cards
3
Modules
1
Live Δ
yes
Club Milwaukee Brewers 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 preseason4.10
ERA current pace2.55
ERA rolling p503.56
Observed weight35%
ERA
2.46 2.98 3.56 4.14 4.67
FIP
2.93 3.38 3.88 4.38 4.83
K%
19.8% 21.5% 23.5% 25.5% 27.2%
BB%
9.2% 10.3% 11.5% 12.6% 13.7%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%16.5%
2 -36 vs proj
Barrel allowed7.1%
59
Fastball velo94.7
56
Hard-hit allowed32.9%
84
K%26.8%
79 +39 vs proj
Whiff%26.9%
77 +37 vs proj
xwOBA allowed0.305
59
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+97
19
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 Hall, Dl · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.3012026-05-19: 0.2992026-05-21: 0.2992026-05-23: 0.2952026-05-24: 0.3072026-05-25: 0.3062026-05-26: 0.3062026-05-28: 0.3062026-05-29: 0.3062026-05-30: 0.3062026-05-31: 0.3052026-06-01: 0.305 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 37%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 Hall, Dl · Aggregate zone metrics; not pitch-by-pitch locations Edge: 36%36%Zone: 45%45%Whiff: 27%27%Called strike: 18%18%First pitch strike: 50%50%Hard hit allowed: 33%33% 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 Hall, Dl · 2026 arsenal snapshot Sinker: 36.6%Changeup: 19.4%Curveball: 15.7%4-Seam Fastball: 10.4%Sweeper: 10.2%Slider: 5.2% MIX SI 37%CH 19%CU 16%FF 10%ST 10%SL 5% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Hall, Dl · 2026 arsenal snapshot SI: HB -0.2, IVB 1.7SICH: HB -1.2, IVB 2.6CHCU: HB 0.7, IVB 4.6CUFF: HB 0.0, IVB 1.3FFST: HB -1.3, IVB 3.2STSL: HB -0.5, IVB 3.2SLFC: HB 0.0, IVB 2.2FC horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SI 36.9% 161 94 limited sample
CH 18.6% 81 103 limited sample
SL 17.0% 74 102 limited sample
CB 15.1% 66 104 limited sample
FB 11.2% 49 91 limited sample
FC 1.1% 5 86 limited sample
Method note

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

Reference layer

Current snapshot

Age27
Height6' 1"
Weight209 lb
Debut2022-08-13
Live layer

Delta / regression

ERA Δ-1.55
K% Δ+0.058

positive regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching32026-04-22Sinker played up through SI/CH tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202621.0% K | 4.10 ERAProjection
2026-05-20 @ CHC0 ER / 2 K2.0 IP
2026-04-17 @ MIA1 ER / 1 K0.2 IP
2026-04-15 vs TOR0 ER / 0 K0.1 IP
2026-04-14 vs TOR0 ER / 0 K0.2 IP
2026-04-11 vs WSH0 ER / 0 K0.1 IP