Mithrandir Metrics
Player Colorado Rockies Refreshed Jun 1 06:00 AM ET
Player profile / Colorado Rockies

Jimmy Herget

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

Cards
5
Modules
1
Live Δ
--
Club Colorado Rockies Position P Roster Injured 15-Day Status IL-15
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 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.

2026-06-01
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+102
50
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.

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% MIX 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 ST: HB -0.2, IVB 3.5STSL: HB -0.0, IVB 2.5SLSI: HB 0.8, IVB 2.8SIFF: HB -0.4, IVB 1.8FFCH: HB -0.7, IVB 3.1CH horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SL 59.6% 171 108 limited sample
SI 22.6% 65 101 limited sample
FB 10.1% 29 80 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