Mithrandir Metrics
Player St. Paul Saints Refreshed Sep 26 06:00 AM ET
Player profile / St. Paul Saints

Jack Anderson

P · Bats/Throws R/R · 6' 3", 197 lb · Age 26

Cards
0
Modules
0
Live Δ
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Club St. Paul Saints Position P Roster Current MLB team Status Out / inactive
Traditional line

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
2026102.1970112.1121.05
1 Seasons102.1970112.1121.05
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.

2026-09-26
36
Pitching
percentile
Arsenal4 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.

2026-09-26
ERA preseason3.70
ERA current pace2.19
ERA rolling p503.43
Observed weight18%
ERA
1.03 2.16 3.43 4.69 5.83
FIP
1.13 2.29 3.58 4.87 6.03
K%
9.1% 13.1% 17.5% 21.9% 25.8%
BB%
2.0% 3.7% 5.5% 7.4% 9.1%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-09-26
Mithrandir+

Stuff+ and arsenal context

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

2026-09-26
Curveball Stuff+97
3
Fastball Stuff+107
82
Mithrandir Stuff+101
37
Slider Stuff+98
22
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 34%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, Jack · Aggregate zone metrics; not pitch-by-pitch locations Edge: 34%34%Zone: 48%48%Whiff: 27%27%Called strike: 15%15%First pitch strike: 53%53%Hard hit allowed: 37%37% 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, Jack · 2026 arsenal snapshot 4-Seam Fastball: 33.8%Slider: 24.1%Split-Finger: 22.6%Sweeper: 14.4%Curveball: 5.1% FF34% · 91 mphprimary pitch FF 34%SL 24%FS 23%ST 14%CU 5% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Anderson, Jack · 2026 arsenal snapshot 15″30″45″60″ 4-Seam Fastball: 34% usage, 1″ horizontal break, 15″ drop, 91.0 mphFF91 mphSlider: 24% usage, 3″ horizontal break, 35″ drop, 84.4 mphSL84 mphSplit-Finger: 23% usage, 2″ horizontal break, 37″ drop, 81.9 mphFS82 mphSweeper: 14% usage, 8″ horizontal break, 42″ drop, 80.0 mphST80 mphCurveball: 5% usage, 6″ horizontal break, 54″ drop, 77.2 mphCU77 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 46.9% 45 107 limited sample
SL 42.7% 41 98 limited sample
CB 10.4% 10 97 limited sample
Method note

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

Reference layer

Current snapshot

Age26
Height6' 3"
Weight197 lb
Debut2026-04-14
Live layer

Delta / regression

No Live State delta is available for this profile yet.

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
No Mithrandir card history is available for this player yet.
Projection links / recent games

Available detail

Pitcher Projections 202618.9% K | 4.97 ERAProjection
2026-04-14 @ MIN1 ER / 4 K3.0 IP