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

Sam Antonacci

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

Cards
2
Modules
1
Live Δ
yes
Club Chicago White Sox Position LF 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
xwOBA preseason0.265
xwOBA current pace0.366
xwOBA rolling p500.309
Observed weight44%
xwOBA
0.248 0.277 0.309 0.341 0.370
wOBA
0.334 0.357 0.382 0.407 0.429
ISO
0.052 0.078 0.107 0.137 0.163
K%
11.9% 15.8% 20.0% 24.3% 28.1%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Hitting · percentile strip
BB%7.0%
29
Barrel%4.7%
44
Bat speed68.0
27
Exit velocity87.1
32
Hard-hit%36.4%
35
K%14.5%
87 +54 vs proj
xBA0.373
87
xSLG0.517
51
xwOBA0.366
86 +48 vs proj
Defense · percentile strip
Arm Runs0.7 · LF
78
Arm Strength91.4 · LF
41
Outs Above Avg1.0 · LF
80
Range Runs-2.7 · LF
15
Baserunning · percentile strip
Base Running Runs0.8 · LF
70
SB Success Rate80.0% · LF
49
Sprint Speed28.3 · LF
78
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
Avoids Bad ChasesST 76.1% · rebadged research
93
Avoids Bad TakesHPT 25.4% · rebadged research
47
Correct Decisions71.0% · rebadged research
89
Resists Breaking - horizontalwOBA 0.280 · borderline
64
Resists Breaking - verticalwOBA 0.288 · insufficient sample
20
Resists ChangeupwOBA 0.287 · validated thin sample
22
Resists Cutters + splitterswOBA 0.335 · insufficient sample
42
Resists FastballwOBA 0.372 · validated
8
Resists SinkerwOBA 0.359 · validated
42
SEAGER+ Plate Discipline109
90
Rolling form chart

xwOBA 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 Antonacci, Sam · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 2026-05-17: 0.4012026-05-19: 0.4002026-05-21: 0.3992026-05-23: 0.4012026-05-24: 0.3912026-05-25: 0.3932026-05-26: 0.3902026-05-28: 0.3862026-05-29: 0.3862026-05-30: 0.3832026-05-31: 0.3792026-06-01: 0.366 2026-05-17 2026-06-01 xwOBA MITHRANDIR · CHARTS
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 Swing Zone Profile Antonacci, Sam · Aggregate zone metrics; not pitch-by-pitch locations Zone: 49%49%Chase: 21%21%Whiff: 13%13%Zone contact: 92%92%Contact: 87%87%Hard hit: 36%36% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Reference layer

Current snapshot

Age23
Height5' 11"
Weight193 lb
Debut2026-04-15
Live layer

Delta / regression

xwOBA Δ+0.069
wOBA Δ+0.085

negative regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Hitting22026-05-08Disciplined swing decisions drove the score
Projection links / recent games

Available detail

Hitter Projections 20260.297 xwOBA | 7 HRProjection
2026-05-20 @ SEA0 HR | 0 RBI / 2 Ch | 0 E2-4 | K, R, SB
2026-04-17 @ ATH0 HR | 0 RBI / 0 Ch | 0 E0-3 | BB, HBP, CS
2026-04-15 vs TB0 HR | 0 RBI / 4 Ch | 0 E1-3 | BB, R