Mithrandir Metrics
Player Athletics Refreshed Sep 27 06:00 AM ET
Player profile / Athletics

Gage Jump

P · Bats/Throws L/L · 6' 0", 200 lb · Age 23

Cards
18
Modules
1
Live Δ
yes
Club Athletics Position P Roster Current MLB team Status IL-15
Traditional line

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
20266115.472020098.21081.52
1 Seasons6115.472020098.21081.52
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.

2026-09-27
33
Pitching
percentile
Pitching9 metrics
44
Arsenal6 metrics
50
Rolling projection

Preseason / current pace / Bayesian update

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

Pending

Rolling player projection appears after current-season Statcast and projection joins refresh.

Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-09-27
Pitching · percentile strip
WHIP1.55
17
ERA5.47
17
BB%10.5%
31
K%24.6%
68
xwOBA allowed0.329
31
Barrel allowed6.8%
61
Fastball velo96.1
77
Hard-hit allowed39.9%
39
Whiff%23.6%
58
Mithrandir+

Stuff+ and arsenal context

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

2026-09-27
Fastball Stuff+108
91
Mithrandir Stuff+105
73
Slider Stuff+101
46
Changeup Stuff+99
30
Curveball Stuff+102
50
Sinker Stuff+94
10
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 Jump, Gage · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 0.329 2026-09-13: 0.3292026-09-14: 0.3292026-09-18: 0.3292026-09-19: 0.3292026-09-20: 0.3292026-09-21: 0.3292026-09-22: 0.3292026-09-23: 0.3292026-09-24: 0.3292026-09-25: 0.3292026-09-26: 0.3292026-09-27: 0.329 2026-09-13 2026-09-27 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.

6Pitches 2026Season 46%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 Jump, Gage · Aggregate zone metrics; not pitch-by-pitch locations Edge: 36%36%Zone: 48%48%Whiff: 24%24%Called strike: 16%16%First pitch strike: 51%51%Hard hit allowed: 40%40% 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 Jump, Gage · 2026 arsenal snapshot 4-Seam Fastball: 46.2%Slider: 22.7%Curveball: 10.6%Changeup: 9.3%Sweeper: 5.8%Sinker: 5.3% FF46% · 96 mphprimary pitch FF 46%SL 23%CU 11%CH 9%ST 6%SI 5% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Jump, Gage · 2026 arsenal snapshot 15″30″45″60″ 4-Seam Fastball: 46% usage, 4″ horizontal break, 13″ drop, 96.3 mphFF96 mphSlider: 23% usage, 2″ horizontal break, 34″ drop, 87.2 mphSL87 mphCurveball: 11% usage, 6″ horizontal break, 52″ drop, 82.3 mphCU82 mphChangeup: 9% usage, 12″ horizontal break, 28″ drop, 87.6 mphCH88 mphSweeper: 6% usage, 12″ horizontal break, 36″ drop, 83.8 mphST84 mphSinker: 5% usage, 1″ horizontal break, 17″ drop, 95.0 mphSI95 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 45.2% 404 108 qualified
SL 29.8% 266 101 qualified
CH 10.2% 91 99 limited sample
CB 9.4% 84 102 limited sample
SI 5.5% 49 94 limited sample
Method note

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

Reference layer

Current snapshot

Age23
Height6' 0"
Weight200 lb
Debut2026-05-26
Live layer

Delta / regression

ERA Δ--
K% Δ--

positive regression

Regression watch

Unlucky so far. Better days ahead.

0.9σ gap
wOBA-against (actual)0.353
xwOBA-against (deserved)0.329

Jump’s wOBA-against sits at 0.353, but the quality of contact underneath says it should be 0.329 — a gap of 0.024, 0.9 standard deviations from the MLB norm over 97 IP. The results have been worse than the process deserves; as the sample grows, expect the numbers to climb back toward the underlying level.

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching182026-09-12Four-Seam Fastball played up through FF/SL tunnel quality
Projection links / recent games

Available detail

No projection links or recent game log rows are available yet.