Mithrandir Metrics
Pitcher projection 2026 Refreshed Sep 5 06:00 AM ET
Pitcher projection / TB · 2026

Cleavinger, Garrett

Late-inning arm with usable miss-bat shape

Primary
27.5% K%
Range
21.4% to 35.8%
Live Δ
yes
Team TB Archetype Balanced reliever 2 Age 32 Status Healthy / active roster
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.

2026-09-05
44
Pitching
percentile
Pitching9 metrics
51
Arsenal4 metrics
36
Rolling projection

Preseason / current pace / Bayesian update

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

2026-09-05
ERA preseason3.45
ERA current pace4.36
ERA rolling p503.85
Observed weight45%
ERA
2.50 3.14 3.85 4.57 5.21
FIP
3.35 3.57 3.81 4.05 4.27
K%
24.2% 26.3% 28.6% 30.9% 33.0%
BB%
8.4% 9.7% 11.0% 12.4% 13.6%
Current percentile strip

Actual percentile with projection tick

100th = best in MLB.

2026-09-05
Pitching · percentile strip
WHIP1.45
29
ERA4.36
41
BB%13.0%
12 -30 vs proj
K%29.5%
91
xwOBA allowed0.317
45
Barrel allowed7.3%
51
Fastball velo95.6
69
Hard-hit allowed38.5%
50
Whiff%25.8%
74
Mithrandir+

Stuff+ and arsenal context

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

2026-09-05
Slider Stuff+102
50
Fastball Stuff+97
19
Mithrandir Stuff+102
45
Sinker Stuff+99
29
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 Cleavinger, Garrett · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 0.317 2026-08-25: 0.3002026-08-26: 0.3002026-08-27: 0.3002026-08-28: 0.3002026-08-29: 0.3002026-08-30: 0.3042026-08-31: 0.3042026-09-01: 0.3002026-09-02: 0.3082026-09-03: 0.3082026-09-04: 0.3082026-09-05: 0.317 2026-08-25 2026-09-05 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 Cleavinger, Garrett · Aggregate zone metrics; not pitch-by-pitch locations Edge: 40%40%Zone: 43%43%Whiff: 26%26%Called strike: 16%16%First pitch strike: 50%50%Hard hit allowed: 39%39% 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 Cleavinger, Garrett · 2026 arsenal snapshot Slider: 43.5%Sinker: 28.4%4-Seam Fastball: 15.3%Sweeper: 12.8% SL43% · 87 mphprimary pitch SL 43%SI 28%FF 15%ST 13% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Cleavinger, Garrett · 2026 arsenal snapshot 12″24″36″48″ Slider: 43% usage, 4″ horizontal break, 34″ drop, 87.4 mphSL87 mphSinker: 28% usage, 3″ horizontal break, 22″ drop, 95.1 mphSI95 mph4-Seam Fastball: 15% usage, 5″ horizontal break, 13″ drop, 96.5 mphFF97 mphSweeper: 13% usage, 18″ horizontal break, 43″ drop, 80.3 mphST80 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SL 55.1% 239 102 qualified
SI 29.3% 127 99 limited sample
FB 15.7% 68 97 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 (0.277 vs 0.297 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: Slider 39%, Sinker 37%, 4-Seam Fastball 12%.
Live context

Current-season signal

ERA Δ+0.91
K% Δ+0.020
Sample43.3 IP

positive regression

Projection table

Point projection and range

MetricPointRangeHalf-width
Innings38.3----
Batters Faced162----
K%27.5%21.4% to 35.8%+/- 7.2%
BB%9.5%5.6% to 13.6%+/- 4.0%
Whiff%28.5%23.1% to 34.3%+/- 5.6%
HR/91.150.52 to 2.07+/- 0.77
xwOBA Against0.3080.260 to 0.361+/- 0.050
Barrel% Allowed7.6%4.4% to 11.5%+/- 3.5%
ERA3.461.81 to 5.65+/- 1.92
FIP3.512.80 to 4.09+/- 0.64
WHIP1.1930.971 to 1.557+/- 0.293
Platoon / Shape
vs LHH

300 career BF

xwOBA0.277
K%28.2%
BB%9.0%
Barrel6.3%
vs RHH

540 career BF

xwOBA0.297
K%25.1%
BB%9.1%
Barrel7.7%