Mithrandir Metrics
Player Albuquerque Isotopes Refreshed Jun 14 06:00 AM ET
Player profile / Albuquerque Isotopes

Jimmy Herget

P · Bats/Throws R/R · 6' 3", 183 lb · Age 32

Cards
5
Modules
1
Live Δ
--
Club Albuquerque Isotopes Position P Roster Injured 15-Day Status Healthy / active roster
Traditional line

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
2024014.3880012.1151.30
2025122.48590083.1811.18
2026015.06153116.0171.38
8 Seasons8123.29203610254.12391.19
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.

2026-06-14
36
Pitching
percentile
Arsenal5 metrics
36
Rolling projection

Preseason / current pace / Bayesian update

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

2026-06-14
ERA preseason3.72
ERA current pace5.06
ERA rolling p504.07
Observed weight26%
ERA
2.49 3.24 4.07 4.91 5.65
FIP
2.54 3.16 3.85 4.54 5.17
K%
17.5% 19.8% 22.4% 25.0% 27.3%
BB%
4.4% 5.8% 7.3% 8.9% 10.3%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-14
Mithrandir+

Stuff+ and arsenal context

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

2026-06-14
Changeup Stuff+84
0
Fastball Stuff+81
0
Mithrandir Stuff+102
50
Sinker Stuff+101
41
Slider Stuff+108
88
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 30%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 Herget, Jimmy · Aggregate zone metrics; not pitch-by-pitch locations Edge: 35%35%Zone: 49%49%Whiff: 27%27%Called strike: 16%16%First pitch strike: 59%59%Hard hit allowed: 48%48% 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 Herget, Jimmy · 2026 arsenal snapshot Sweeper: 29.7%Slider: 28.6%Sinker: 25.1%4-Seam Fastball: 9.6%Changeup: 7.0% ST30% · 78 mphprimary pitch ST 30%SL 29%SI 25%FF 10%CH 7% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Herget, Jimmy · 2026 arsenal snapshot 12″24″36″48″ Sweeper: 30% usage, 2″ horizontal break, 42″ drop, 77.9 mphST78 mphSlider: 29% usage, 0″ horizontal break, 30″ drop, 85.7 mphSL86 mphSinker: 25% usage, 9″ horizontal break, 33″ drop, 90.9 mphSI91 mph4-Seam Fastball: 10% usage, 5″ horizontal break, 22″ drop, 92.4 mphFF92 mphChangeup: 7% usage, 8″ horizontal break, 37″ drop, 85.2 mphCH85 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SL 59.6% 171 108 limited sample
SI 22.6% 65 101 limited sample
FB 10.1% 29 81 limited sample
CH 7.7% 22 84 limited sample
Method note

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

Reference layer

Current snapshot

Age32
Height6' 3"
Weight183 lb
Debut2019-07-07
Live layer

Delta / regression

No Live State delta is available for this profile yet.

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching52026-04-21Command and chase profile drove the outing
Projection links / recent games

Available detail

Pitcher Projections 202623.7% K | 4.13 ERAProjection
2026-04-12 @ SD1 ER / 0 K1.0 IP
2026-04-11 @ SD0 ER / 0 K1.0 IP
2026-04-09 @ SD0 ER / 0 K1.0 IP
2026-04-06 vs HOU1 ER / 1 K1.2 IP
2026-04-04 vs PHI0 ER / 2 K1.1 IP