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

Mark Vientos

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

Cards
3
Modules
1
Live Δ
yes
Club New York Mets 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 preseason0.322
xwOBA current pace0.326
xwOBA rolling p500.324
Observed weight48%
xwOBA
0.296 0.309 0.324 0.339 0.353
wOBA
0.259 0.279 0.300 0.322 0.341
ISO
0.140 0.158 0.177 0.196 0.213
K%
20.2% 21.8% 23.5% 25.3% 26.8%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Hitting · percentile strip
BB%3.9%
7 -23 vs proj
Barrel%8.2%
84
Bat speed71.8
77
Exit velocity90.9
83
Hard-hit%46.1%
76
K%20.8%
58 +24 vs proj
xBA0.326
54
xSLG0.611
77
xwOBA0.326
66
Defense · percentile strip
Outs Above Avg-4.0 · 1B
6
Range Runs-2.7 · 1B
13
Baserunning · percentile strip
Sprint Speed25.6 · 1B
13
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 59.1% · rebadged research
20
Avoids Bad TakesHPT 20.7% · rebadged research
85
Correct Decisions66.4% · rebadged research
51
Resists Breaking - horizontalwOBA 0.279 · borderline
66
Resists Breaking - verticalwOBA 0.277 · insufficient sample
45
Resists ChangeupwOBA 0.286 · validated thin sample
24
Resists Cutters + splitterswOBA 0.338 · insufficient sample
33
Resists FastballwOBA 0.301 · validated
97
Resists SinkerwOBA 0.345 · validated
79
SEAGER+ Plate Discipline99
41
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 Vientos, Mark · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 2026-05-17: 0.3752026-05-19: 0.3702026-05-21: 0.3572026-05-23: 0.3392026-05-24: 0.3402026-05-25: 0.3352026-05-26: 0.3322026-05-28: 0.3232026-05-29: 0.3232026-05-30: 0.3232026-05-31: 0.3312026-06-01: 0.326 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 Vientos, Mark · Aggregate zone metrics; not pitch-by-pitch locations Zone: 49%49%Chase: 37%37%Whiff: 29%29%Zone contact: 82%82%Contact: 71%71%Hard hit: 46%46% 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 Vientos, Mark · aggregate bat-tracking arc Swing tilt 31.9° Length 7.5 ft Ideal path 58% MITHRANDIR · CHARTS
Mithrandir Metrics ATTACK ANGLE Parameterized Mithrandir chart rendered as SVG for templates and exports. Attack Angle Vientos, Mark · aggregate attack vector Attack angle 12.2° Direction -0.0° MITHRANDIR · CHARTS
Mithrandir Metrics BAT SPEED DISTRIBUTION Parameterized Mithrandir chart rendered as SVG for templates and exports. Bat Speed Vientos, Mark · aggregate bat speed marker 60 mph 85 mph Avg bat speed 73.8 mph Hard swing rate 30% Whiff / swing 34% MITHRANDIR · CHARTS
Reference layer

Current snapshot

Age26
Height6' 3"
Weight185 lb
Debut2022-09-11
Live layer

Delta / regression

xwOBA Δ-0.002
wOBA Δ-0.028

positive regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Hitting32026-05-08Impact contact carried uneven swing decisions
Projection links / recent games

Available detail

Hitter Projections 20260.328 xwOBA | 22 HRProjection
2026-05-20 @ WSH0 HR | 0 RBI / 8 Ch | 0 E1-4 | 2B, K, R
2026-04-17 @ CHC0 HR | 0 RBI / 2 Ch | 0 E1-2
2026-04-14 @ LAD0 HR | 0 RBI / 8 Ch | 0 E0-3 | 2 K
2026-04-13 @ LAD0 HR | 0 RBI / 5 Ch | 0 E0-3 | K
2026-04-12 vs ATH0 HR | 0 RBI / 4 Ch | 0 E0-2