Mithrandir Metrics
Player Ontario Tower Buzzers Refreshed Jun 15 06:00 AM ET
Player profile / Ontario Tower Buzzers

Brock Stewart

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

Cards
0
Modules
0
Live Δ
--
Club Ontario Tower Buzzers Position P Roster Injured 15-Day Status Healthy / active roster
Traditional line

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
2024005.17160015.2201.47
2025222.63430037.2441.19
2026000.002002.030.50
8 Seasons1054.44135112188.21931.42
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.

2026-06-15
25
Pitching
percentile
Arsenal2 metrics
25
Rolling projection

Preseason / current pace / Bayesian update

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

2026-06-15
ERA preseason3.13
ERA current pace0.00
ERA rolling p503.04
Observed weight3%
ERA
0.88 1.90 3.04 4.18 5.20
FIP
1.72 2.36 3.07 3.79 4.43
K%
17.3% 20.8% 24.8% 28.8% 32.4%
BB%
4.9% 6.9% 9.1% 11.3% 13.3%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-15
Mithrandir+

Stuff+ and arsenal context

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

2026-06-15
Fastball Stuff+95
14
Mithrandir Stuff+100
36
Rolling form chart

xwOBA allowed snapshot line

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

0 snapshots
No chart yet

No Live State xwOBA snapshots are available for this player.

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 2025Season 54%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: 43%43%Zone: 39%39%Whiff: 45%45%Called strike: 18%18%First pitch strike: 43%43%Hard hit allowed: 0%0% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Pitch arsenal

Usage mix, movement map, and Stuff+ composition

2025 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 →

2025
Mithrandir Metrics PITCH ARSENAL DONUT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Stewart, Brock · 2025 arsenal snapshot 4-Seam Fastball: 54.4%Sweeper: 14.3%Sinker: 11.0%Changeup: 10.8%Cutter: 9.5% FF54% · 96 mphprimary pitch FF 54%ST 14%SI 11%CH 11%FC 10% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Stewart, Brock · 2025 arsenal snapshot 9″18″27″36″ 4-Seam Fastball: 54% usage, 1″ horizontal break, 15″ drop, 96.2 mphFF96 mphSweeper: 14% usage, 13″ horizontal break, 36″ drop, 84.7 mphST85 mphSinker: 11% usage, 13″ horizontal break, 25″ drop, 96.2 mphSI96 mphChangeup: 11% usage, 14″ horizontal break, 31″ drop, 90.6 mphCH91 mphCutter: 10% usage, 0″ horizontal break, 24″ drop, 93.2 mphFC93 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 53.6% 15 95 limited sample
SL 25.0% 7 101 limited sample
SI 10.7% 3 115 limited sample
CH 10.7% 3 109 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

No Live State delta is available for this profile yet.

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
No Mithrandir card history is available for this player yet.
Projection links / recent games

Available detail

Pitcher Projections 202625.6% K | 3.54 ERAProjection