Mithrandir Metrics
Player Boston Red Sox Refreshed Jun 1 06:00 AM ET
Player profile / Boston Red Sox

Willson Contreras

1B profile with live context, projection links, and Mithrandir card history when available.

Cards
3
Modules
1
Live Δ
yes
Club Boston Red Sox Position 1B 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 preseason0.356
xwOBA current pace0.399
xwOBA rolling p500.379
Observed weight53%
xwOBA
0.351 0.364 0.379 0.394 0.407
wOBA
0.372 0.391 0.412 0.433 0.452
ISO
0.156 0.173 0.191 0.210 0.226
K%
21.3% 22.7% 24.2% 25.7% 27.0%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Hitting · percentile strip
BB%9.6%
62
Barrel%8.4%
85
Bat speed73.9
93
Exit velocity89.9
68
Hard-hit%44.7%
70
K%24.5%
36
xBA0.399
95
xSLG0.757
96
xwOBA0.399
97
Defense · percentile strip
Outs Above Avg2.0 · 1B
81
Range Runs1.9 · 1B
74
Baserunning · percentile strip
Base Running Runs-0.8 · 1B
17
Sprint Speed27.1 · 1B
45
SB Success Rate50.0% · 1B
Limited
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 64.8% · rebadged research
46
Avoids Bad TakesHPT 23.2% · rebadged research
69
Correct Decisions66.0% · rebadged research
48
SEAGER+ Plate Discipline102
55
Resists Breaking - horizontalwOBA 0.306 · borderline
14
Resists Breaking - verticalwOBA 0.264 · insufficient sample
89
Resists ChangeupwOBA 0.292 · validated thin sample
15
Resists Cutters + splitterswOBA 0.329 · insufficient sample
60
Resists FastballwOBA 0.347 · validated
36
Resists SinkerwOBA 0.413 · validated
1
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 Contreras, Willson · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 2026-05-17: 0.3922026-05-19: 0.3892026-05-21: 0.3972026-05-23: 0.3932026-05-24: 0.3942026-05-25: 0.3972026-05-26: 0.3972026-05-28: 0.3912026-05-29: 0.3902026-05-30: 0.3972026-05-31: 0.3982026-06-01: 0.399 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 Contreras, Willson · Aggregate zone metrics; not pitch-by-pitch locations Zone: 44%44%Chase: 32%32%Whiff: 29%29%Zone contact: 84%84%Contact: 71%71%Hard hit: 45%45% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Bat tracking

Swing path, attack angle, bat speed

Aggregate Savant bat-tracking metrics; not per-swing motion capture.

2026
Mithrandir Metrics SWING PATH Parameterized Mithrandir chart rendered as SVG for templates and exports. Swing Path Contreras, Willson · aggregate bat-tracking arc Swing tilt 32.1° Length 7.9 ft Ideal path 52% MITHRANDIR · CHARTS
Mithrandir Metrics ATTACK ANGLE Parameterized Mithrandir chart rendered as SVG for templates and exports. Attack Angle Contreras, Willson · aggregate attack vector Attack angle 10.7° Direction -5.7° MITHRANDIR · CHARTS
Mithrandir Metrics BAT SPEED DISTRIBUTION Parameterized Mithrandir chart rendered as SVG for templates and exports. Bat Speed Contreras, Willson · aggregate bat speed marker 60 mph 85 mph Avg bat speed 76.1 mph Hard swing rate 64% Whiff / swing 34% MITHRANDIR · CHARTS
Reference layer

Current snapshot

Age34
Height6' 0"
Weight240 lb
Debut2016-06-17
Live layer

Delta / regression

xwOBA Δ+0.040
wOBA Δ+0.053

negative regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Hitting32026-05-05Impact contact was the main driver
Projection links / recent games

Available detail

Hitter Projections 20260.359 xwOBA | 20 HRProjection
2026-05-20 @ KC0 HR | 0 RBI / 4 Ch | 0 E3-4 | 3B, R
2026-04-20 vs DET0 HR | 0 RBI / 13 Ch | 0 E1-5 | K
2026-04-17 vs DET0 HR | 0 RBI / 14 Ch | 0 E0-3 | HBP, K
2026-04-14 @ MIN0 HR | 0 RBI / 7 Ch | 0 E0-1 | HBP, K
2026-04-13 @ MIN0 HR | 0 RBI / 5 Ch | 0 E1-3 | 2 K, R