Mithrandir Metrics
Player Chicago Cubs Refreshed Jun 1 06:00 AM ET
Player profile / Chicago Cubs

Jameson Taillon

P profile with live context, projection links, and Mithrandir card history when available.

Cards
17
Modules
1
Live Δ
yes
Club Chicago Cubs Position P Roster Active 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 preseason4.47
ERA current pace5.37
ERA rolling p504.97
Observed weight55%
ERA
3.98 4.45 4.97 5.49 5.95
FIP
5.47 5.74 6.03 6.32 6.59
K%
16.3% 17.5% 18.9% 20.3% 21.5%
BB%
5.8% 6.5% 7.2% 8.0% 8.7%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%8.8%
49 -40 vs proj
Barrel allowed15.5%
1 -38 vs proj
Fastball velo91.7
15
Hard-hit allowed40.1%
45
K%20.0%
32 +17 vs proj
Whiff%23.0%
50 +41 vs proj
xwOBA allowed0.357
12
Mithrandir+

Stuff+ and arsenal context

Stuff+ appears when the current pitch-event scoring artifact includes this pitcher; missing coverage is shown explicitly.

2026-06-01
Mithrandir Stuff+105
72
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 Taillon, Jameson · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.3532026-05-19: 0.3532026-05-21: 0.3532026-05-23: 0.3562026-05-24: 0.3562026-05-25: 0.3562026-05-26: 0.3562026-05-28: 0.3572026-05-29: 0.3572026-05-30: 0.3572026-05-31: 0.3572026-06-01: 0.357 2026-05-17 2026-06-01 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.

6Pitches 2026Season 30%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 Taillon, Jameson · Aggregate zone metrics; not pitch-by-pitch locations Edge: 36%36%Zone: 47%47%Whiff: 23%23%Called strike: 17%17%First pitch strike: 44%44%Hard hit allowed: 40%40% 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 Taillon, Jameson · 2026 arsenal snapshot 4-Seam Fastball: 29.7%Cutter: 19.3%Changeup: 15.0%Sweeper: 15.0%Curveball: 11.2%Sinker: 9.9% MIX FF 30%FC 19%CH 15%ST 15%CU 11%SI 10% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Taillon, Jameson · 2026 arsenal snapshot FF: HB -0.2, IVB 1.2FFFC: HB -0.2, IVB 2.3FCCH: HB -1.3, IVB 2.6CHST: HB -1.1, IVB 3.6STCU: HB 0.6, IVB 4.5CUSI: HB 0.7, IVB 1.5SI horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 29.4% 292 109 qualified
FC 19.7% 196 103 limited sample
SL 15.4% 153 107 limited sample
CH 14.9% 148 102 limited sample
CB 11.3% 112 97 limited sample
SI 9.4% 93 102 limited sample
Method note

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

Reference layer

Current snapshot

Age34
Height6' 5"
Weight230 lb
Debut2016-06-08
Live layer

Delta / regression

ERA Δ+0.86
K% Δ+0.029

positive regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching172026-05-274-Seam Fastball played up through FF/ST tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202617.1% K | 4.51 ERAProjection
2026-04-12 vs PIT6 ER / 10 K6.0 IP
2026-04-06 @ TB3 ER / 4 K6.0 IP
2026-03-31 vs LAA0 ER / 3 K4.2 IP