Mithrandir Metrics
Player St. Louis Cardinals Refreshed Jun 1 06:00 AM ET
Player profile / St. Louis Cardinals

Jj Wetherholt

2B profile with live context, projection links, and Mithrandir card history when available.

Cards
3
Modules
1
Live Δ
yes
Club St. Louis Cardinals Position 2B 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.

Pending

Rolling player projection appears after current-season Statcast and projection joins refresh.

Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Hitting · percentile strip
BB%11.1%
74
Barrel%6.3%
67
Bat speed70.4
61
Exit velocity90.9
83
Hard-hit%48.1%
85
K%17.3%
78
xBA0.317
42
xSLG0.573
68
xwOBA0.361
84
Defense · percentile strip
Arm Strength84.9 · 2B
40
Outs Above Avg9.0 · 2B
99
Range Runs7.4 · 2B
99
Baserunning · percentile strip
Base Running Runs2.4 · 2B
96
SB Success Rate100.0% · 2B
93
Sprint Speed27.4 · 2B
53
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 72.3% · rebadged research
83
Avoids Bad TakesHPT 24.5% · rebadged research
57
Correct Decisions69.9% · rebadged research
83
SEAGER+ Plate Discipline107
80
Resists Breaking - horizontalwOBA 0.266 · borderline
87
Resists Breaking - verticalwOBA 0.292 · insufficient sample
14
Resists ChangeupwOBA 0.278 · validated thin sample
43
Resists Cutters + splitterswOBA 0.336 · insufficient sample
37
Resists FastballwOBA 0.369 · validated
10
Resists SinkerwOBA 0.361 · validated
38
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 Wetherholt, Jj · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 2026-05-17: 0.3532026-05-19: 0.3522026-05-21: 0.3602026-05-23: 0.3552026-05-24: 0.3592026-05-25: 0.3592026-05-26: 0.3592026-05-28: 0.3562026-05-29: 0.3562026-05-30: 0.3562026-05-31: 0.3582026-06-01: 0.361 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 Wetherholt, Jj · Aggregate zone metrics; not pitch-by-pitch locations Zone: 49%49%Chase: 22%22%Whiff: 21%21%Zone contact: 86%86%Contact: 79%79%Hard hit: 48%48% 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 Wetherholt, Jj · aggregate bat-tracking arc Swing tilt 32.1° Length 7.6 ft Ideal path 65% MITHRANDIR · CHARTS
Mithrandir Metrics ATTACK ANGLE Parameterized Mithrandir chart rendered as SVG for templates and exports. Attack Angle Wetherholt, Jj · aggregate attack vector Attack angle 14.0° Direction +2.6° MITHRANDIR · CHARTS
Mithrandir Metrics BAT SPEED DISTRIBUTION Parameterized Mithrandir chart rendered as SVG for templates and exports. Bat Speed Wetherholt, Jj · aggregate bat speed marker 60 mph 85 mph Avg bat speed 72.2 mph Hard swing rate 22% Whiff / swing 20% MITHRANDIR · CHARTS
Reference layer

Current snapshot

Age23
Height5' 9"
Weight190 lb
Debut2026-03-26
Live layer

Delta / regression

xwOBA Δ--
wOBA Δ--

positive regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Hitting32026-05-19Impact contact carried uneven swing decisions
Projection links / recent games

Available detail

2026-05-20 vs PIT0 HR | 0 RBI / 4 Ch | 0 E2-4 | SB
2026-04-20 @ MIA0 HR | 0 RBI / 4 Ch | 0 E0-3 | HBP, 2 K
2026-04-17 @ HOU0 HR | 0 RBI / 2 Ch | 0 E1-3 | BB, HBP, 3 R
2026-04-15 vs CLE0 HR | 1 RBI / 3 Ch | 0 E0-1 | 2 BB, HBP, RBI
2026-04-14 vs CLE2 HR | 3 RBI / 5 Ch | 0 E2-4 | 2 HR, K, 3 RBI