Mithrandir Metrics
Player Seattle Mariners Refreshed Sep 29 06:00 AM ET
Player profile / Seattle Mariners

Kade Anderson

P · Bats/Throws L/L · 6' 2", 179 lb · Age 22

Cards
10
Modules
1
Live Δ
yes
Club Seattle Mariners Position P Roster Current MLB team Status Healthy / active roster
Traditional line

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
2026223.7977035.2321.23
1 Seasons223.7977035.2321.23
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.

2026-09-29
62
Pitching
percentile
Pitching9 metrics
54
Arsenal6 metrics
57
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.

2026-09-29
Pitching · percentile strip
WHIP1.23
66
ERA4.17
47
BB%6.2%
88
K%21.9%
48
xwOBA allowed0.304
61
Barrel allowed7.6%
46
Fastball velo93.5
33
Hard-hit allowed41.0%
32
Whiff%24.1%
60
Mithrandir+

Stuff+ and arsenal context

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

2026-09-29
Changeup Stuff+102
51
Curveball Stuff+104
79
Fastball Stuff+103
58
Mithrandir Stuff+103
60
Sinker Stuff+96
16
Slider Stuff+105
77
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 Anderson, Kade · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 0.304 2026-09-18: 0.3172026-09-19: 0.3172026-09-20: 0.3172026-09-21: 0.3082026-09-22: 0.3082026-09-23: 0.3082026-09-24: 0.3082026-09-25: 0.3082026-09-26: 0.3082026-09-27: 0.3042026-09-28: 0.3042026-09-29: 0.304 2026-09-18 2026-09-29 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.

5Pitches 2026Season 40%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 Anderson, Kade · Aggregate zone metrics; not pitch-by-pitch locations Edge: 39%39%Zone: 52%52%Whiff: 24%24%Called strike: 13%13%First pitch strike: 51%51%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 Anderson, Kade · 2026 arsenal snapshot 4-Seam Fastball: 40.5%Slider: 24.6%Changeup: 17.7%Curveball: 15.3%Sinker: 1.8% FF40% · 93 mphprimary pitch FF 40%SL 25%CH 18%CU 15%SI 2% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Anderson, Kade · 2026 arsenal snapshot 15″30″45″60″ 4-Seam Fastball: 40% usage, 4″ horizontal break, 15″ drop, 93.5 mphFF93 mphSlider: 25% usage, 2″ horizontal break, 36″ drop, 87.9 mphSL88 mphChangeup: 18% usage, 11″ horizontal break, 30″ drop, 84.4 mphCH84 mphCurveball: 15% usage, 4″ horizontal break, 50″ drop, 81.9 mphCU82 mphSinker: 2% usage, 12″ horizontal break, 20″ drop, 93.0 mphSI93 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 39.9% 187 103 limited sample
SL 24.1% 113 105 limited sample
CH 17.9% 84 102 limited sample
CB 16.0% 75 104 limited sample
SI 2.1% 10 96 limited sample
Method note

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

Reference layer

Current snapshot

Age22
Height6' 2"
Weight179 lb
Debut2026-08-22
Live layer

Delta / regression

ERA Δ--
K% Δ--

positive regression

Regression watch

Unlucky so far. Better days ahead.

0.0σ gap
wOBA-against (actual)0.306
xwOBA-against (deserved)0.304

Anderson’s wOBA-against sits at 0.306, but the quality of contact underneath says it should be 0.304 — a gap of 0.001, 0.0 standard deviations from the MLB norm over 36 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
Pitching102026-09-26Four-Seam Fastball played up through SL/CH tunnel quality
Projection links / recent games

Available detail

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