Mithrandir Metrics
Player ACL Rangers Refreshed Sep 28 06:00 AM ET
Player profile / ACL Rangers

Gavin Collyer

P · Bats/Throws R/R · 6' 1", 165 lb · Age 25

Cards
0
Modules
0
Live Δ
yes
Club ACL Rangers Position P Roster Current MLB team Status Out / inactive
Traditional line

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
2026115.40240025.0231.44
1 Seasons115.40240025.0231.44
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.

2026-09-28
23
Pitching
percentile
Pitching9 metrics
48
Arsenal5 metrics
50
Rolling projection

Preseason / current pace / Bayesian update

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

Pending

Rolling player projection appears after current-season Statcast and projection joins refresh.

Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-09-28
Pitching · percentile strip
WHIP1.48
25
ERA5.40
19
BB%15.4%
3
K%20.3%
37
xwOBA allowed0.328
31
Barrel allowed5.6%
80
Fastball velo96.8
86
Hard-hit allowed26.4%
99
Whiff%23.4%
57
Mithrandir+

Stuff+ and arsenal context

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

2026-09-28
Cutter Stuff+103
65
Fastball Stuff+97
18
Mithrandir Stuff+103
58
Sinker Stuff+99
28
Slider Stuff+105
79
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 Collyer, Gavin · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 0.328 2026-09-14: 0.3182026-09-18: 0.3182026-09-19: 0.3182026-09-20: 0.3182026-09-21: 0.3182026-09-22: 0.3182026-09-23: 0.3182026-09-24: 0.3182026-09-25: 0.3182026-09-26: 0.3282026-09-27: 0.3282026-09-28: 0.328 2026-09-14 2026-09-28 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 33%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 Collyer, Gavin · Aggregate zone metrics; not pitch-by-pitch locations Edge: 39%39%Zone: 47%47%Whiff: 23%23%Called strike: 19%19%First pitch strike: 47%47%Hard hit allowed: 26%26% 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 Collyer, Gavin · 2026 arsenal snapshot Cutter: 33.3%4-Seam Fastball: 27.1%Sweeper: 22.1%Sinker: 17.5% FC33% · 91 mphprimary pitch FC 33%FF 27%ST 22%SI 18% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Collyer, Gavin · 2026 arsenal snapshot 9″18″27″36″ Cutter: 33% usage, 0″ horizontal break, 30″ drop, 90.7 mphFC91 mph4-Seam Fastball: 27% usage, 6″ horizontal break, 17″ drop, 97.4 mphFF97 mphSweeper: 22% usage, 0″ horizontal break, 33″ drop, 85.9 mphST86 mphSinker: 18% usage, 11″ horizontal break, 28″ drop, 95.9 mphSI96 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FC 34.9% 112 103 limited sample
SL 25.2% 81 105 limited sample
FB 22.4% 72 97 limited sample
SI 17.4% 56 99 limited sample
Method note

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

Reference layer

Current snapshot

Age25
Height6' 1"
Weight165 lb
Debut2026-04-15
Live layer

Delta / regression

ERA Δ--
K% Δ--
Mithrandir coverage

Module shelf

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

Available detail

2026-04-17 @ SEA0 ER / 2 K1.1 IP
2026-04-15 @ ATH0 ER / 1 K0.1 IP