Mithrandir Metrics
Pitcher projection 2026 Refreshed Sep 26 06:00 AM ET
Pitcher projection / SEA · 2026

Muñoz, Andrés

High-leverage relief profile with bat-miss

Primary
28.3% K%
Range
23.6% to 39.2%
Live Δ
yes
Team SEA Archetype Balanced reliever 2 Age 27 Status IL-15
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.

2026-09-26
66
Pitching
percentile
Pitching9 metrics
64
Arsenal5 metrics
49
Rolling projection

Preseason / current pace / Bayesian update

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

2026-09-26
ERA preseason2.68
ERA current pace4.11
ERA rolling p503.41
Observed weight51%
ERA
1.66 2.49 3.41 4.34 5.16
FIP
1.95 2.59 3.29 4.00 4.63
K%
29.3% 31.4% 33.6% 35.9% 37.9%
BB%
7.8% 9.0% 10.3% 11.6% 12.8%
Current percentile strip

Actual percentile with projection tick

100th = best in MLB.

2026-09-26
Pitching · percentile strip
WHIP1.25
65
ERA4.11
49
BB%10.3%
33
K%37.2%
99
xwOBA allowed0.280
85
Barrel allowed8.5%
33
Fastball velo99.5
99
Hard-hit allowed45.0%
9
Whiff%38.1%
100
Mithrandir+

Stuff+ and arsenal context

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

2026-09-26
Fastball Stuff+104
64
Mithrandir Stuff+102
49
Slider Stuff+99
31
Changeup Stuff+99
32
Sinker Stuff+104
68
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
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 Muñoz, Andrés · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 0.280 2026-09-12: 0.2782026-09-13: 0.2782026-09-14: 0.2842026-09-18: 0.2812026-09-19: 0.2792026-09-20: 0.2792026-09-21: 0.2802026-09-22: 0.2802026-09-23: 0.2802026-09-24: 0.2802026-09-25: 0.2802026-09-26: 0.280 2026-09-12 2026-09-26 xwOBA allowed MITHRANDIR · CHARTS
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 Muñoz, Andrés · Aggregate zone metrics; not pitch-by-pitch locations Edge: 34%34%Zone: 42%42%Whiff: 38%38%Called strike: 16%16%First pitch strike: 54%54%Hard hit allowed: 45%45% 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 Muñoz, Andrés · 2026 arsenal snapshot Slider: 42.9%4-Seam Fastball: 42.1%Sinker: 8.3%Changeup: 6.8% SL43% · 87 mphprimary pitch SL 43%FF 42%SI 8%CH 7% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Muñoz, Andrés · 2026 arsenal snapshot 12″24″36″48″ Slider: 43% usage, 0″ horizontal break, 37″ drop, 87.1 mphSL87 mph4-Seam Fastball: 42% usage, 1″ horizontal break, 14″ drop, 99.7 mphFF100 mphSinker: 8% usage, 11″ horizontal break, 21″ drop, 98.4 mphSI98 mphChangeup: 7% usage, 12″ horizontal break, 33″ drop, 92.8 mphCH93 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SL 44.9% 305 99 qualified
FB 38.7% 263 104 qualified
SI 8.2% 56 104 limited sample
CH 8.1% 55 99 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
Volume stays relief-shaped even when the bat-miss traits are strong.
pitcher
2
templated note
Primary mix entering the season: Slider 52%, 4-Seam Fastball 34%, Sinker 13%.
pitcher
Live context

Current-season signal

ERA Δ+1.32
K% Δ+0.089
Sample59.3 IP

positive regression

Projection table

Point projection and range

MetricPointRangeHalf-width
Innings40.0----
Batters Faced164----
K%28.3%23.6% to 39.2%+/- 7.8%
BB%10.4%5.7% to 14.5%+/- 4.4%
Whiff%32.9%28.8% to 40.8%+/- 6.0%
HR/90.990.08 to 1.72+/- 0.82
xwOBA Against0.2810.207 to 0.343+/- 0.068
Barrel% Allowed8.3%3.9% to 12.4%+/- 4.2%
ERA2.790.36 to 5.31+/- 2.47
FIP3.201.70 to 5.48+/- 1.89
WHIP1.1350.806 to 1.517+/- 0.356
Platoon / Shape
vs LHH

556 career BF

xwOBA0.265
K%29.3%
BB%11.5%
Barrel7.8%
vs RHH

601 career BF

xwOBA0.250
K%28.5%
BB%8.0%
Barrel6.8%