Mithrandir Metrics
Player Los Angeles Angels Refreshed Jul 18 06:00 AM ET
Player profile / Los Angeles Angels

José Fermin

P · Bats/Throws R/R · 6' 3", 242 lb · Age 24

Cards
0
Modules
0
Live Δ
yes
Club Los Angeles Angels Position P Roster Active Status Healthy / active roster
Traditional line

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
2025324.46400034.1391.40
2026213.21260028.0301.25
2 Seasons533.90660062.1691.33
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.

2026-07-18
52
Pitching
percentile
Pitching9 metrics
55
Arsenal5 metrics
45
Rolling projection

Preseason / current pace / Bayesian update

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

2026-07-18
ERA preseason3.64
ERA current pace3.21
ERA rolling p503.50
Observed weight33%
ERA
1.77 2.59 3.50 4.40 5.22
FIP
2.79 3.51 4.31 5.11 5.83
K%
21.0% 23.6% 26.4% 29.2% 31.8%
BB%
8.5% 10.4% 12.5% 14.6% 16.4%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-07-18
Pitching · percentile strip
WHIP1.25
62
ERA3.21
71
BB%13.4%
9
K%25.2%
69
xwOBA allowed0.317
47
Barrel allowed7.0%
60 +34 vs proj
Fastball velo96.5
79
Hard-hit allowed45.1%
12
Whiff%29.1%
89
Mithrandir+

Stuff+ and arsenal context

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

2026-07-18
Changeup Stuff+93
7
Fastball Stuff+96
17
Mithrandir Stuff+103
59
Sinker Stuff+107
90
Slider Stuff+102
51
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 Fermin, José · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 0.317 2026-07-07: 0.3282026-07-08: 0.3282026-07-09: 0.3282026-07-10: 0.3212026-07-11: 0.3212026-07-12: 0.3212026-07-13: 0.3172026-07-14: 0.3172026-07-15: 0.3172026-07-16: 0.3172026-07-17: 0.3172026-07-18: 0.317 2026-07-07 2026-07-18 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.

4Pitches 2026Season 56%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 Fermin, José · Aggregate zone metrics; not pitch-by-pitch locations Edge: 38%38%Zone: 45%45%Whiff: 29%29%Called strike: 15%15%First pitch strike: 51%51%Hard hit allowed: 45%45% 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 Fermin, José · 2026 arsenal snapshot Slider: 55.9%Sinker: 29.2%4-Seam Fastball: 7.6%Changeup: 7.4% SL56% · 90 mphprimary pitch SL 56%SI 29%FF 8%CH 7% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Fermin, José · 2026 arsenal snapshot 9″18″27″36″ Slider: 56% usage, 1″ horizontal break, 32″ drop, 90.3 mphSL90 mphSinker: 29% usage, 0″ horizontal break, 17″ drop, 96.5 mphSI96 mph4-Seam Fastball: 8% usage, 1″ horizontal break, 13″ drop, 96.3 mphFF96 mphChangeup: 7% usage, 13″ horizontal break, 21″ drop, 93.0 mphCH93 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SL 57.6% 182 102 limited sample
SI 26.3% 83 107 limited sample
CH 8.5% 27 93 limited sample
FB 7.6% 24 96 limited sample
Method note

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

Reference layer

Current snapshot

Age24
Height6' 3"
Weight242 lb
Debut2025-04-26
Live layer

Delta / regression

ERA Δ-0.71
K% Δ-0.001
Mithrandir coverage

Module shelf

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

Available detail

Pitcher Projections 202625.0% K | 3.92 ERAProjection