Mithrandir Metrics
Player San Francisco Giants Refreshed Sep 28 06:00 AM ET
Player profile / San Francisco Giants

Jason Foley

P · Bats/Throws R/R · 6' 4", 215 lb · Age 30

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

Season by season

3D Pitch Lab Projections
WLERAGGSSVIPSOWHIP
2023332.61700769.0551.16
2024363.156902860.0461.18
2026324.15240026.0151.50
5 Seasons10113.27234035225.21651.27
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
32
Pitching
percentile
Pitching9 metrics
41
Arsenal4 metrics
61
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
WHIP1.50
22
ERA4.50
37
BB%9.4%
45
K%12.8%
2
xwOBA allowed0.309
55
Barrel allowed5.5%
80
Fastball velo95.7
72
Hard-hit allowed38.5%
50
Whiff%15.1%
3
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
Fastball Stuff+98
22
Mithrandir Stuff+105
78
Sinker Stuff+110
94
Slider Stuff+102
52
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 Foley, Jason · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 0.309 2026-09-14: 0.2922026-09-18: 0.2942026-09-19: 0.2972026-09-20: 0.2972026-09-21: 0.2972026-09-22: 0.3112026-09-23: 0.3112026-09-24: 0.3112026-09-25: 0.3112026-09-26: 0.3112026-09-27: 0.3102026-09-28: 0.309 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 42%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 Foley, Jason · Aggregate zone metrics; not pitch-by-pitch locations Edge: 39%39%Zone: 47%47%Whiff: 15%15%Called strike: 17%17%First pitch strike: 38%38%Hard hit allowed: 38%38% 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 Foley, Jason · 2026 arsenal snapshot Sinker: 41.7%Slider: 26.6%4-Seam Fastball: 18.1%Split-Finger: 13.6% SI42% · 96 mphprimary pitch SI 42%SL 27%FF 18%FS 14% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Foley, Jason · 2026 arsenal snapshot 12″24″36″48″ Sinker: 42% usage, 4″ horizontal break, 26″ drop, 95.6 mphSI96 mphSlider: 27% usage, 2″ horizontal break, 38″ drop, 85.9 mphSL86 mph4-Seam Fastball: 18% usage, 5″ horizontal break, 17″ drop, 96.1 mphFF96 mphSplit-Finger: 14% usage, 8″ horizontal break, 35″ drop, 89.1 mphFS89 mph less drop ↑ more drop ↓ · horizontal break ↔ · dot size = usage · break incl. gravity MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
SI 47.0% 126 110 limited sample
SL 30.6% 82 102 limited sample
FB 22.4% 60 98 limited sample
Method note

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

Reference layer

Current snapshot

Age30
Height6' 4"
Weight215 lb
Debut2021-06-06
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

Pitcher Projections 202620.9% K | 3.43 ERAProjection