Mithrandir Metrics
Player Los Angeles Dodgers Refreshed Sep 26 06:00 AM ET
Player profile / Los Angeles Dodgers

Brock Stewart

P · Bats/Throws L/R · 6' 3", 220 lb · Age 34

Cards
1
Modules
1
Live Δ
yes
Club Los Angeles Dodgers Position P Roster Current MLB team Status Healthy / active roster
Traditional line

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
2024005.17160015.2201.47
2025222.63430037.2441.19
2026122.45271125.2240.97
8 Seasons1174.24160123212.12141.38
At a glance

Season percentile report

The headline weighs outcome stats (xwOBA, barrels); each bar averages its full strip group below. 100 = best in MLB.

2026-09-26
79
Pitching
percentile
Pitching9 metrics
81
Arsenal6 metrics
72
Rolling projection

Preseason / current pace / Bayesian update

Rolling bands shrink current-season signal toward the preseason prior until the sample earns more weight.

2026-09-26
ERA preseason3.13
ERA current pace2.66
ERA rolling p502.99
Observed weight29%
ERA
1.29 2.10 2.99 3.89 4.70
FIP
2.28 2.79 3.35 3.91 4.41
K%
18.6% 21.3% 24.3% 27.3% 30.0%
BB%
5.8% 7.3% 9.0% 10.7% 12.2%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-09-26
Pitching · percentile strip
WHIP0.99
94
ERA2.66
89
BB%9.1%
48
K%24.2%
67
xwOBA allowed0.247
97 +34 vs proj
Barrel allowed4.6%
89 +18 vs proj
Fastball velo95.5
67
Hard-hit allowed27.7%
98
Whiff%26.2%
76
Mithrandir+

Stuff+ and arsenal context

How nasty this pitcher's stuff grades in our pitch-level model. Missing coverage is shown explicitly.

2026-09-26
Changeup Stuff+109
93
Cutter Stuff+93
3
Fastball Stuff+107
86
Mithrandir Stuff+107
90
Sinker Stuff+105
75
Slider Stuff+106
84
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 Stewart, Brock · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 0.247 2026-09-12: 0.2312026-09-13: 0.2312026-09-14: 0.2502026-09-18: 0.2492026-09-19: 0.2492026-09-20: 0.2492026-09-21: 0.2452026-09-22: 0.2452026-09-23: 0.2472026-09-24: 0.2472026-09-25: 0.2472026-09-26: 0.247 2026-09-12 2026-09-26 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 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 Stewart, Brock · Aggregate zone metrics; not pitch-by-pitch locations Edge: 36%36%Zone: 47%47%Whiff: 26%26%Called strike: 15%15%First pitch strike: 48%48%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.

Watch the pitches in 3D →

2026
Mithrandir Metrics PITCH ARSENAL DONUT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Stewart, Brock · 2026 arsenal snapshot 4-Seam Fastball: 36.8%Sweeper: 25.0%Changeup: 15.1%Sinker: 14.6%Cutter: 8.5% FF37% · 96 mphprimary pitch FF 37%ST 25%CH 15%SI 15%FC 9% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Stewart, Brock · 2026 arsenal snapshot 12″24″36″48″ 4-Seam Fastball: 37% usage, 0″ horizontal break, 16″ drop, 95.9 mphFF96 mphSweeper: 25% usage, 12″ horizontal break, 36″ drop, 83.9 mphST84 mphChangeup: 15% usage, 15″ horizontal break, 35″ drop, 89.3 mphCH89 mphSinker: 15% usage, 15″ horizontal break, 27″ drop, 94.6 mphSI95 mphCutter: 9% usage, 2″ horizontal break, 25″ drop, 92.2 mphFC92 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 41.7% 75 107 limited sample
SL 25.6% 46 106 limited sample
SI 13.3% 24 105 limited sample
CH 12.2% 22 109 limited sample
FC 7.2% 13 93 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' 3"
Weight220 lb
Debut2016-06-29
Live layer

Delta / regression

ERA Δ-0.88
K% Δ-0.014
Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching12026-09-22Command and chase profile drove the outing
Projection links / recent games

Available detail

Pitcher Projections 202625.6% K | 3.54 ERAProjection