Mithrandir Metrics
Player San Francisco Giants Refreshed Jun 12 06:00 AM ET
Player profile / San Francisco Giants

Erik Miller

P · Bats/Throws L/L · 6' 5", 269 lb · Age 28

Cards
0
Modules
0
Live Δ
yes
Club San Francisco Giants Position P Roster Active Status Healthy / active roster
Traditional line

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
2024453.887310067.1871.31
2025411.50360030.0221.47
2026004.58240219.2271.73
3 Seasons863.38133102117.01361.42
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.

2026-06-12
38
Pitching
percentile
Pitching9 metrics
51
Arsenal5 metrics
40
Rolling projection

Preseason / current pace / Bayesian update

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

2026-06-12
ERA preseason3.58
ERA current pace4.08
ERA rolling p503.72
Observed weight29%
ERA
1.98 2.81 3.72 4.64 5.46
FIP
2.51 3.06 3.67 4.28 4.83
K%
21.4% 24.0% 26.8% 29.6% 32.1%
BB%
9.8% 11.6% 13.6% 15.6% 17.3%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-12
Pitching · percentile strip
WHIP1.59
10
ERA4.08
43
BB%17.5%
2 -18 vs proj
K%28.9%
89 +19 vs proj
xwOBA allowed0.316
48
Barrel allowed9.8%
25 -30 vs proj
Fastball velo96.8
86
Hard-hit allowed37.3%
63
Whiff%31.5%
94
Mithrandir+

Stuff+ and arsenal context

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

2026-06-12
Changeup Stuff+89
2
Fastball Stuff+89
4
Mithrandir Stuff+103
60
Sinker Stuff+104
64
Slider Stuff+104
70
Rolling form chart

xwOBA allowed snapshot line

Live snapshot series; true 50/100 PA windows require PA-level logs

5 snapshots
Mithrandir Metrics ROLLING XWOBA LINE Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Rolling xwOBA allowed Miller, Erik · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 0.316 2026-06-08: 0.3002026-06-09: 0.3002026-06-10: 0.3002026-06-11: 0.3162026-06-12: 0.316 2026-06-08 2026-06-12 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 43%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 Miller, Erik · Aggregate zone metrics; not pitch-by-pitch locations Edge: 36%36%Zone: 40%40%Whiff: 32%32%Called strike: 17%17%First pitch strike: 40%40%Hard hit allowed: 37%37% 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 Miller, Erik · 2026 arsenal snapshot Sinker: 43.3%Slider: 39.1%4-Seam Fastball: 10.6%Changeup: 7.1% SI43% · 97 mphprimary pitch SI 43%SL 39%FF 11%CH 7% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Miller, Erik · 2026 arsenal snapshot 12″24″36″48″ Sinker: 43% usage, 1″ horizontal break, 20″ drop, 96.8 mphSI97 mphSlider: 39% usage, 1″ horizontal break, 37″ drop, 86.1 mphSL86 mph4-Seam Fastball: 11% usage, 3″ horizontal break, 14″ drop, 96.8 mphFF97 mphChangeup: 7% usage, 14″ horizontal break, 32″ drop, 87.8 mphCH88 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SI 45.6% 159 104 limited sample
SL 37.8% 132 104 limited sample
FB 8.6% 30 89 limited sample
CH 8.0% 28 89 limited sample
Method note

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

Reference layer

Current snapshot

Age28
Height6' 5"
Weight269 lb
Debut2024-03-28
Live layer

Delta / regression

ERA Δ+0.28
K% Δ+0.034
Mithrandir coverage

Module shelf

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

Available detail

Pitcher Projections 202625.5% K | 3.80 ERAProjection
2026-04-12 @ BAL0 ER / 1 K1.0 IP
2026-04-08 vs PHI0 ER / 2 K1.0 IP
2026-04-05 vs NYM2 ER / 2 K0.2 IP
2026-04-03 vs NYM2 ER / 1 K0.2 IP
2026-03-27 vs NYY0 ER / 0 K1.0 IP