Mithrandir Metrics
Pitcher projection 2026 Refreshed Jun 1 06:00 AM ET
Pitcher projection / SF · 2026

Miller, Erik

Run-prevention profile built on workable command

Primary
25.5% K%
Range
20.0% to 34.1%
Live Δ
--
Team SF Archetype Volatile contact Age 28 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 preseason3.58
ERA current pace4.70
ERA rolling p503.86
Observed weight25%
ERA
2.06 2.91 3.86 4.80 5.65
FIP
2.41 2.98 3.61 4.24 4.81
K%
21.8% 24.4% 27.3% 30.3% 32.9%
BB%
9.2% 11.0% 13.1% 15.1% 17.0%
Current percentile strip

Actual percentile with projection tick

100th = best in MLB.

2026-06-01
Mithrandir+

Stuff+ and arsenal context

Stuff+ appears when the current pitch-event scoring artifact includes this pitcher; Arsenal Decomposition remains descriptive support under Stuff+.

2026-06-01
Mithrandir Stuff+103
59
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 44%Top usage
ride armside gloveside +Arsenal gap +Shape contrast
Rolling form chart

xwOBA allowed snapshot line

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

0 snapshots
No chart yet

No Live State xwOBA snapshots are available for this player.

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: 18%18%First pitch strike: 42%42%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.

2026
Mithrandir Metrics PITCH ARSENAL DONUT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Miller, Erik · 2026 arsenal snapshot Sinker: 43.9%Slider: 36.7%4-Seam Fastball: 11.4%Changeup: 8.0% MIX SI 44%SL 37%FF 11%CH 8% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Miller, Erik · 2026 arsenal snapshot SI: HB 0.1, IVB 1.7SISL: HB 0.1, IVB 3.1SLFF: HB -0.2, IVB 1.2FFCH: HB -1.2, IVB 2.6CH horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SI 45.6% 152 104 limited sample
SL 37.2% 124 104 limited sample
FB 8.7% 29 89 limited sample
CH 8.4% 28 89 limited sample
Method note

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

Model read

Projection notes

1
templated note
Plays better against lefties right now (0.251 vs 0.277 xwOBA allowed split).
2
templated note
Volume stays relief-shaped even when the bat-miss traits are strong.
3
templated note
Home park gives the run-prevention profile a small HR cushion.
4
templated note
Primary mix entering the season: 4-Seam Fastball 35%, Changeup 25%, Slider 22%.
Live context

Current-season signal

No Live State delta is available for this player yet.

Projection table

Point projection and range

MetricPointRangeHalf-width
Innings35.9----
Batters Faced157----
K%25.5%20.0% to 34.1%+/- 7.1%
BB%11.7%7.0% to 16.8%+/- 4.9%
Whiff%29.2%23.2% to 36.0%+/- 6.4%
HR/90.940.01 to 1.55+/- 0.77
xwOBA Against0.3090.220 to 0.343+/- 0.061
Barrel% Allowed7.2%2.4% to 10.6%+/- 4.1%
ERA3.800.67 to 5.20+/- 2.27
FIP3.511.95 to 4.98+/- 1.51
WHIP1.3550.966 to 1.671+/- 0.352
Platoon / Shape
vs LHH

170 career BF

xwOBA0.251
K%26.7%
BB%11.8%
Barrel3.5%
vs RHH

272 career BF

xwOBA0.277
K%22.7%
BB%12.5%
Barrel6.4%