Mithrandir Metrics
Player Athletics Refreshed Jun 1 06:00 AM ET
Player profile / Athletics

Luis Severino

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

Cards
12
Modules
1
Live Δ
yes
Club Athletics Position P Roster Injured 15-Day Status IL-15
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 preseason4.30
ERA current pace4.23
ERA rolling p504.26
Observed weight55%
ERA
3.09 3.65 4.26 4.88 5.44
FIP
3.66 3.95 4.28 4.61 4.90
K%
19.6% 21.0% 22.5% 24.0% 25.3%
BB%
7.9% 8.7% 9.5% 10.4% 11.2%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%11.3%
21 -43 vs proj
Barrel allowed8.7%
36 -16 vs proj
Fastball velo96.6
83
Hard-hit allowed38.3%
55
K%24.7%
66 +39 vs proj
Whiff%19.8%
22
xwOBA allowed0.319
45 +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+106
81
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 Severino, Luis · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.3332026-05-19: 0.3332026-05-21: 0.3332026-05-23: 0.3212026-05-24: 0.3212026-05-25: 0.3212026-05-26: 0.3212026-05-28: 0.3212026-05-29: 0.3202026-05-30: 0.3202026-05-31: 0.3192026-06-01: 0.319 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.

6Pitches 2026Season 24%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 Severino, Luis · Aggregate zone metrics; not pitch-by-pitch locations Edge: 38%38%Zone: 48%48%Whiff: 20%20%Called strike: 16%16%First pitch strike: 48%48%Hard hit allowed: 38%38% 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 Severino, Luis · 2026 arsenal snapshot Sweeper: 23.8%Sinker: 23.3%4-Seam Fastball: 21.5%Cutter: 20.9%Changeup: 6.4%Slider: 4.2% MIX ST 24%SI 23%FF 22%FC 21%CH 6%SL 4% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Severino, Luis · 2026 arsenal snapshot ST: HB -0.1, IVB 2.9STSI: HB 0.3, IVB 1.5SIFF: HB -0.2, IVB 1.1FFFC: HB 0.0, IVB 1.7FCCH: HB -0.9, IVB 2.3CHSL: HB 0.0, IVB 2.8SL horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SL 28.5% 303 106 qualified
SI 24.0% 255 104 qualified
FB 21.4% 227 106 qualified
FC 20.8% 221 102 qualified
CH 5.4% 57 102 limited sample
Method note

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

Reference layer

Current snapshot

Age32
Height6' 2"
Weight218 lb
Debut2015-08-05
Live layer

Delta / regression

ERA Δ-0.26
K% Δ+0.055

positive regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching122026-05-21Sweeper played up through ST/FC tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202619.3% K | 4.49 ERAProjection
2026-04-13 vs TEX4 ER / 7 K6.0 IP
2026-04-08 @ NYY2 ER / 7 K5.0 IP
2026-04-01 @ ATL4 ER / 7 K3.1 IP
2026-03-27 @ TOR2 ER / 3 K5.0 IP