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

Colin Rea

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

Cards
13
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 preseason4.33
ERA current pace4.83
ERA rolling p504.60
Observed weight55%
ERA
3.47 4.01 4.60 5.20 5.73
FIP
3.91 4.24 4.60 4.96 5.28
K%
16.2% 17.5% 19.0% 20.5% 21.8%
BB%
6.1% 6.8% 7.6% 8.4% 9.1%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%8.3%
58 -17 vs proj
Barrel allowed10.7%
18 -18 vs proj
Fastball velo93.5
35
Hard-hit allowed42.2%
32
K%19.7%
30 +16 vs proj
Whiff%20.1%
25
xwOBA allowed0.353
15
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+100
37
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 Rea, Colin · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.3612026-05-19: 0.3592026-05-21: 0.3592026-05-23: 0.3592026-05-24: 0.3552026-05-25: 0.3552026-05-26: 0.3552026-05-28: 0.3552026-05-29: 0.3552026-05-30: 0.3532026-05-31: 0.3532026-06-01: 0.353 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.

7Pitches 2026Season 40%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 Rea, Colin · Aggregate zone metrics; not pitch-by-pitch locations Edge: 39%39%Zone: 46%46%Whiff: 20%20%Called strike: 16%16%First pitch strike: 49%49%Hard hit allowed: 42%42% 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 Rea, Colin · 2026 arsenal snapshot 4-Seam Fastball: 39.6%Split-Finger: 17.7%Slider: 11.9%Sinker: 9.9%Sweeper: 7.8%Cutter: 7.0% MIX FF 40%FS 18%SL 12%SI 10%ST 8%FC 7% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Rea, Colin · 2026 arsenal snapshot FF: HB -0.2, IVB 1.4FFFS: HB -0.9, IVB 3.1FSSL: HB -0.1, IVB 3.1SLSI: HB 0.7, IVB 1.9SIST: HB -1.2, IVB 3.2STFC: HB 0.2, IVB 2.5FCCU: HB 0.8, IVB 4.2CU horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 50.2% 371 98 qualified
SL 23.5% 174 102 limited sample
SI 11.1% 82 93 limited sample
FC 8.0% 59 100 limited sample
CB 7.2% 53 99 limited sample
Method note

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

Reference layer

Current snapshot

Age35
Height6' 5"
Weight220 lb
Debut2015-08-11
Live layer

Delta / regression

ERA Δ+0.29
K% Δ+0.028

positive regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching132026-05-234-Seam Fastball played up through FF/ST tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202616.8% K | 4.54 ERAProjection
2026-04-20 vs PHI1 ER / 5 K6.2 IP
2026-04-14 @ PHI3 ER / 5 K6.0 IP
2026-04-08 @ TB1 ER / 2 K5.0 IP
2026-04-03 @ CLE1 ER / 4 K3.1 IP
2026-03-30 vs LAA2 ER / 4 K3.0 IP