Mithrandir Metrics
Player Los Angeles Angels Refreshed Jun 2 06:00 AM ET
Player profile / Los Angeles Angels

Chase Silseth

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

Cards
0
Modules
0
Live Δ
yes
Club Los Angeles Angels 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.

2026-06-02
ERA preseason3.92
ERA current pace1.96
ERA rolling p503.31
Observed weight31%
ERA
1.92 2.58 3.31 4.05 4.71
FIP
2.56 3.24 3.99 4.75 5.42
K%
20.0% 22.4% 25.0% 27.6% 29.9%
BB%
8.1% 9.3% 10.6% 12.0% 13.2%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-02
Pitching · percentile strip
BB%14.0%
7 -28 vs proj
Barrel allowed7.5%
55 +20 vs proj
Fastball velo95.9
75
Hard-hit allowed28.4%
95
K%22.4%
51 -25 vs proj
Whiff%30.8%
90 +25 vs proj
xwOBA allowed0.302
62
Mithrandir+

Stuff+ and arsenal context

Stuff+ appears when the current pitch-event scoring artifact includes this pitcher; missing coverage is shown explicitly.

2026-06-02
Mithrandir Stuff+99
29
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 Silseth, Chase · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 2026-05-19: 0.3272026-05-21: 0.3262026-05-23: 0.3182026-05-24: 0.3142026-05-25: 0.3142026-05-26: 0.3142026-05-28: 0.3032026-05-29: 0.3032026-05-30: 0.3032026-05-31: 0.3032026-06-01: 0.2942026-06-02: 0.302 2026-05-19 2026-06-02 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 37%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 Silseth, Chase · Aggregate zone metrics; not pitch-by-pitch locations Edge: 35%35%Zone: 42%42%Whiff: 31%31%Called strike: 14%14%First pitch strike: 51%51%Hard hit allowed: 28%28% 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 Silseth, Chase · 2026 arsenal snapshot Split-Finger: 37.3%4-Seam Fastball: 35.7%Sweeper: 14.1%Sinker: 13.0% MIX FS 37%FF 36%ST 14%SI 13% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Silseth, Chase · 2026 arsenal snapshot FS: HB -0.4, IVB 2.8FSFF: HB -0.2, IVB 1.1FFST: HB -0.5, IVB 3.1STSI: HB 0.4, IVB 1.7SI horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 53.5% 114 97 limited sample
SI 24.4% 52 103 limited sample
SL 22.1% 47 105 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' 0"
Weight217 lb
Debut2022-05-13
Live layer

Delta / regression

ERA Δ-1.89
K% Δ-0.038
Mithrandir coverage

Module shelf

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

Available detail

Pitcher Projections 202626.2% K | 3.85 ERAProjection
2026-05-20 vs ATH0 ER / 2 K1.0 IP
2026-04-20 vs TOR0 ER / 1 K1.0 IP
2026-04-17 vs SD0 ER / 0 K0.1 IP
2026-04-14 @ NYY0 ER / 1 K1.0 IP
2026-04-11 @ CIN1 ER / 1 K0.1 IP