Mithrandir Metrics
Player Chicago White Sox Refreshed Jun 1 06:00 AM ET
Player profile / Chicago White Sox

Erick Fedde

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

Cards
8
Modules
1
Live Δ
yes
Club Chicago White Sox Position P Roster Active Status Healthy / active roster
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 preseason4.41
ERA current pace5.47
ERA rolling p504.95
Observed weight51%
ERA
3.93 4.41 4.95 5.50 5.98
FIP
4.83 5.13 5.46 5.80 6.10
K%
13.4% 14.6% 16.0% 17.4% 18.7%
BB%
6.8% 7.6% 8.5% 9.4% 10.2%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%9.4%
38 -17 vs proj
Barrel allowed9.0%
34
Fastball velo93.7
38
Hard-hit allowed39.9%
47
K%15.0%
8
Whiff%16.3%
7
xwOBA allowed0.336
31 +19 vs proj
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+101
47
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 Fedde, Erick · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.3232026-05-19: 0.3362026-05-21: 0.3362026-05-23: 0.3362026-05-24: 0.3402026-05-25: 0.3402026-05-26: 0.3402026-05-28: 0.3402026-05-29: 0.3402026-05-30: 0.3402026-05-31: 0.3362026-06-01: 0.336 2026-05-17 2026-06-01 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 38%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 Fedde, Erick · Aggregate zone metrics; not pitch-by-pitch locations Edge: 38%38%Zone: 45%45%Whiff: 16%16%Called strike: 17%17%First pitch strike: 49%49%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.

2026
Mithrandir Metrics PITCH ARSENAL DONUT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Fedde, Erick · 2026 arsenal snapshot Sweeper: 38.4%Sinker: 27.3%Cutter: 20.7%Changeup: 12.3%4-Seam Fastball: 1.3% MIX ST 38%SI 27%FC 21%CH 12%FF 1% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Fedde, Erick · 2026 arsenal snapshot ST: HB -0.2, IVB 3.4STSI: HB 0.2, IVB 1.9SIFC: HB 0.0, IVB 2.3FCCH: HB -0.7, IVB 2.6CHFF: HB 0.1, IVB 1.6FF horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SL 37.4% 318 107 qualified
SI 27.8% 237 95 qualified
FC 22.7% 193 102 limited sample
CH 11.3% 96 97 limited sample
FB 0.8% 7 73 limited sample
Method note

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

Reference layer

Current snapshot

Age33
Height6' 4"
Weight205 lb
Debut2017-07-30
Live layer

Delta / regression

ERA Δ+0.98
K% Δ-0.014

positive regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching82026-05-17Sweeper played up through ST/CH tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202616.4% K | 4.49 ERAProjection
2026-04-11 @ KC1 ER / 4 K5.0 IP
2026-04-06 vs BAL2 ER / 4 K6.0 IP
2026-03-31 @ MIA3 ER / 4 K5.0 IP