Mithrandir Metrics
Player Omaha Storm Chasers Refreshed Jul 19 06:00 AM ET
Player profile / Omaha Storm Chasers

Mitch Spence

P · Bats/Throws R/R · 6' 1", 185 lb · Age 28

Cards
2
Modules
1
Live Δ
--
Club Omaha Storm Chasers Position P Roster Reassigned to Minors Status Out / inactive
Traditional line

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
20248104.5835240151.11261.38
2025365.10328184.2661.44
20260221.213109.163.00
3 Seasons11185.3970331245.11981.46
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.

2026-07-19
11
Pitching
percentile
Arsenal6 metrics
11
Rolling projection

Preseason / current pace / Bayesian update

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

2026-07-19
ERA preseason4.62
ERA current pace21.21
ERA rolling p507.76
Observed weight19%
ERA
6.14 6.91 7.76 8.62 9.39
FIP
4.59 5.01 5.47 5.93 6.35
K%
13.0% 15.2% 17.7% 20.1% 22.3%
BB%
6.4% 7.4% 8.6% 9.8% 10.8%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-07-19
Mithrandir+

Stuff+ and arsenal context

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

2026-07-19
Changeup Stuff+92
7
Curveball Stuff+99
14
Cutter Stuff+98
19
Mithrandir Stuff+95
12
Sinker Stuff+92
7
Slider Stuff+94
8
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 2026Season 38%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 Spence, Mitch · Aggregate zone metrics; not pitch-by-pitch locations Edge: 36%36%Zone: 44%44%Whiff: 16%16%Called strike: 14%14%First pitch strike: 48%48%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.

Watch the pitches in 3D →

2026
Mithrandir Metrics PITCH ARSENAL DONUT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Spence, Mitch · 2026 arsenal snapshot Cutter: 38.0%Slider: 20.0%Sinker: 17.0%Curveball: 16.5%Changeup: 8.5% FC38% · 92 mphprimary pitch FC 38%SL 20%SI 17%CU 16%CH 8% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Spence, Mitch · 2026 arsenal snapshot 15″30″45″60″ Cutter: 38% usage, 1″ horizontal break, 25″ drop, 91.9 mphFC92 mphSlider: 20% usage, 1″ horizontal break, 35″ drop, 84.5 mphSL84 mphSinker: 17% usage, 4″ horizontal break, 25″ drop, 92.5 mphSI92 mphCurveball: 16% usage, 7″ horizontal break, 52″ drop, 81.6 mphCU82 mphChangeup: 8% usage, 10″ horizontal break, 32″ drop, 88.0 mphCH88 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FC 38.0% 76 98 limited sample
SL 20.0% 40 94 limited sample
SI 18.5% 37 92 limited sample
CB 16.5% 33 99 limited sample
CH 7.0% 14 92 limited sample
Method note

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

Reference layer

Current snapshot

Age28
Height6' 1"
Weight185 lb
Debut2024-03-29
Live layer

Delta / regression

No Live State delta is available for this profile yet.

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching22026-03-11Stuff and strike quality carried the outing
Projection links / recent games

Available detail

Pitcher Projections 202619.3% K | 4.89 ERAProjection
2026-03-11 @ CHC5 ER / 0 K2.0 IP