Mithrandir Metrics
Player Minnesota Twins Refreshed Jun 1 06:00 AM ET
Player profile / Minnesota Twins

Bailey Ober

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

Cards
16
Modules
1
Live Δ
yes
Club Minnesota Twins Position P Roster Injured 15-Day Status IL-15
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 preseason4.25
ERA current pace3.92
ERA rolling p504.06
Observed weight57%
ERA
3.11 3.56 4.06 4.56 5.01
FIP
4.40 4.61 4.84 5.06 5.27
K%
15.1% 16.3% 17.7% 19.1% 20.3%
BB%
5.2% 5.9% 6.6% 7.3% 7.9%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%7.2%
72
Barrel allowed9.4%
29
Fastball velo88.6
2
Hard-hit allowed33.9%
80
K%15.3%
9 -31 vs proj
Whiff%18.3%
15 -37 vs proj
xwOBA allowed0.323
42
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+102
51
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 Ober, Bailey · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.2842026-05-19: 0.3092026-05-21: 0.3092026-05-23: 0.3092026-05-24: 0.3092026-05-25: 0.3072026-05-26: 0.3072026-05-28: 0.3072026-05-29: 0.3072026-05-30: 0.3072026-05-31: 0.3072026-06-01: 0.323 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 37%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 Ober, Bailey · Aggregate zone metrics; not pitch-by-pitch locations Edge: 36%36%Zone: 50%50%Whiff: 18%18%Called strike: 16%16%First pitch strike: 49%49%Hard hit allowed: 34%34% 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 Ober, Bailey · 2026 arsenal snapshot Changeup: 36.6%4-Seam Fastball: 30.9%Slider: 15.9%Sweeper: 10.0%Sinker: 4.2%Curveball: 2.4% MIX CH 37%FF 31%SL 16%ST 10%SI 4%CU 2% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Ober, Bailey · 2026 arsenal snapshot CH: HB -0.4, IVB 2.8CHFF: HB -0.2, IVB 1.5FFSL: HB -0.0, IVB 2.8SLST: HB -0.7, IVB 3.8STSI: HB 1.1, IVB 2.0SICU: HB 0.6, IVB 5.0CU horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
CH 36.1% 338 106 qualified
FB 31.9% 298 104 qualified
SL 26.5% 248 98 qualified
SI 3.2% 30 99 limited sample
CB 2.2% 21 105 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' 9"
Weight260 lb
Debut2021-05-18
Live layer

Delta / regression

ERA Δ-0.30
K% Δ-0.058

positive regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Pitching162026-05-244-Seam Fastball played up through CH/ST tunnel quality
Projection links / recent games

Available detail

Pitcher Projections 202621.0% K | 4.22 ERAProjection
2026-04-13 vs BOS4 ER / 7 K6.0 IP
2026-04-08 vs DET2 ER / 2 K5.2 IP
2026-04-03 vs TB3 ER / 4 K4.0 IP
2026-03-29 @ BAL3 ER / 1 K4.0 IP