Mithrandir Metrics
Player San Francisco Giants Refreshed Jun 1 06:00 AM ET
Player profile / San Francisco Giants

Adrian Houser

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

Cards
14
Modules
1
Live Δ
yes
Club San Francisco Giants 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 preseason4.27
ERA current pace5.30
ERA rolling p504.83
Observed weight54%
ERA
3.76 4.26 4.83 5.39 5.89
FIP
3.92 4.29 4.70 5.11 5.48
K%
13.4% 14.5% 15.8% 17.1% 18.2%
BB%
6.3% 7.1% 7.9% 8.7% 9.4%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%8.2%
60
Barrel allowed8.9%
35
Fastball velo94.8
60
Hard-hit allowed45.8%
13
K%14.3%
4
Whiff%16.0%
6
xwOBA allowed0.368
10 -21 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+104
67
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 Houser, Adrian · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.3652026-05-19: 0.3732026-05-21: 0.3732026-05-23: 0.3732026-05-24: 0.3652026-05-25: 0.3652026-05-26: 0.3652026-05-28: 0.3652026-05-29: 0.3652026-05-30: 0.3652026-05-31: 0.3652026-06-01: 0.368 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 46%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 Houser, Adrian · Aggregate zone metrics; not pitch-by-pitch locations Edge: 38%38%Zone: 48%48%Whiff: 16%16%Called strike: 17%17%First pitch strike: 48%48%Hard hit allowed: 46%46% 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 Houser, Adrian · 2026 arsenal snapshot Sinker: 46.5%Changeup: 17.7%4-Seam Fastball: 13.1%Slider: 12.7%Curveball: 10.1% MIX SI 46%CH 18%FF 13%SL 13%CU 10% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Houser, Adrian · 2026 arsenal snapshot SI: HB -0.1, IVB 1.9SICH: HB -0.8, IVB 2.7CHFF: HB -0.2, IVB 1.3FFSL: HB -0.1, IVB 2.6SLCU: HB 0.4, IVB 4.2CU horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SI 45.7% 380 102 qualified
CH 18.7% 155 101 limited sample
FB 13.8% 115 106 limited sample
SL 12.9% 107 110 limited sample
CB 8.9% 74 100 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"
Weight227 lb
Debut2015-09-26
Live layer

Delta / regression

ERA Δ+0.82
K% Δ-0.026

positive regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching142026-05-23Sinker played up through SI/CH tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202616.8% K | 4.48 ERAProjection
2026-04-12 @ BAL4 ER / 3 K4.2 IP
2026-04-06 vs PHI4 ER / 3 K6.0 IP
2026-04-01 @ SD1 ER / 4 K5.1 IP