Mithrandir Metrics
Player New York Mets Refreshed Jun 1 06:00 AM ET
Player profile / New York Mets

Marcus Semien

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

Cards
3
Modules
1
Live Δ
yes
Club New York Mets 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.

2026-06-01
xwOBA preseason0.313
xwOBA current pace0.320
xwOBA rolling p500.317
Observed weight53%
xwOBA
0.287 0.301 0.317 0.332 0.346
wOBA
0.279 0.297 0.316 0.336 0.354
ISO
0.103 0.118 0.135 0.152 0.168
K%
15.9% 17.0% 18.3% 19.5% 20.7%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Hitting · percentile strip
BB%7.1%
31 -19 vs proj
Barrel%6.7%
71 +29 vs proj
Bat speed66.3
14
Exit velocity86.3
25
Hard-hit%37.6%
40
K%19.4%
65
xBA0.334
61
xSLG0.541
60
xwOBA0.320
60
Defense · percentile strip
Arm Strength84.5 · 2B
39
Outs Above Avg-3.0 · 2B
9
Range Runs-2.3 · 2B
17
Baserunning · percentile strip
Base Running Runs0.2 · 2B
45
Sprint Speed28.2 · 2B
75
SB Success Rate50.0% · 2B
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 66.2% · rebadged research
53
Avoids Bad TakesHPT 24.2% · rebadged research
60
Correct Decisions68.9% · rebadged research
76
SEAGER+ Plate Discipline102
57
Resists Breaking - horizontalwOBA 0.225 · borderline
100
Resists Breaking - verticalwOBA 0.278 · insufficient sample
43
Resists ChangeupwOBA 0.298 · validated thin sample
9
Resists Cutters + splitterswOBA 0.339 · insufficient sample
31
Resists FastballwOBA 0.322 · validated
82
Resists SinkerwOBA 0.378 · validated
12
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 Semien, Marcus · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 2026-05-17: 0.3102026-05-19: 0.3102026-05-21: 0.3022026-05-23: 0.3002026-05-24: 0.3022026-05-25: 0.2992026-05-26: 0.3082026-05-28: 0.3082026-05-29: 0.3082026-05-30: 0.3082026-05-31: 0.3092026-06-01: 0.320 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 Semien, Marcus · Aggregate zone metrics; not pitch-by-pitch locations Zone: 52%52%Chase: 27%27%Whiff: 19%19%Zone contact: 88%88%Contact: 81%81%Hard hit: 38%38% 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 Semien, Marcus · aggregate bat-tracking arc Swing tilt 34.2° Length 7.8 ft Ideal path 63% MITHRANDIR · CHARTS
Mithrandir Metrics ATTACK ANGLE Parameterized Mithrandir chart rendered as SVG for templates and exports. Attack Angle Semien, Marcus · aggregate attack vector Attack angle 15.6° Direction -4.4° MITHRANDIR · CHARTS
Mithrandir Metrics BAT SPEED DISTRIBUTION Parameterized Mithrandir chart rendered as SVG for templates and exports. Bat Speed Semien, Marcus · aggregate bat speed marker 60 mph 85 mph Avg bat speed 67.8 mph Hard swing rate 1% Whiff / swing 21% MITHRANDIR · CHARTS
Reference layer

Current snapshot

Age35
Height6' 0"
Weight195 lb
Debut2013-09-04
Live layer

Delta / regression

xwOBA Δ+0.006
wOBA Δ+0.002

positive regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Hitting32026-05-25Impact contact was the main driver
Projection links / recent games

Available detail

Hitter Projections 20260.315 xwOBA | 18 HRProjection
2026-05-20 @ WSH0 HR | 0 RBI / 3 Ch | 0 E0-4
2026-04-17 @ CHC0 HR | 1 RBI / 6 Ch | 0 E2-4 | 2B, K, RBI
2026-04-15 @ LAD0 HR | 1 RBI / 3 Ch | 0 E1-3 | BB, K, RBI
2026-04-14 @ LAD0 HR | 0 RBI / 4 Ch | 0 E0-3 | K
2026-04-13 @ LAD0 HR | 0 RBI / 3 Ch | 0 E1-3