Mithrandir Metrics
Player Detroit Tigers Refreshed Jun 2 06:00 AM ET
Player profile / Detroit Tigers

Matt Vierling

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

Cards
3
Modules
1
Live Δ
yes
Club Detroit Tigers Position CF 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.

2026-06-02
xwOBA preseason0.296
xwOBA current pace0.310
xwOBA rolling p500.302
Observed weight46%
xwOBA
0.267 0.284 0.302 0.321 0.338
wOBA
0.275 0.296 0.319 0.342 0.362
ISO
0.110 0.130 0.153 0.177 0.197
K%
16.3% 18.0% 19.8% 21.7% 23.3%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-02
Hitting · percentile strip
BB%8.9%
51 +18 vs proj
Barrel%4.2%
38
Bat speed69.8
52
Exit velocity87.1
34
Hard-hit%35.5%
30 -36 vs proj
K%17.4%
78 +31 vs proj
xBA0.315
40
xSLG0.475
38
xwOBA0.310
51
Defense · percentile strip
Arm Runs-1.6 · CF
9
Arm Strength87.2 · CF
14
Outs Above Avg-2.0 · CF
8
Range Runs0.6 · CF
62
Baserunning · percentile strip
Base Running Runs-0.5 · CF
27
Bolts1.0 · CF
17
Sprint Speed28.3 · CF
78
SB Success Rate66.7% · CF
Limited
Mithrandir+

Stuff+ and arsenal context

Stuff+ appears when the current pitch-event scoring artifact includes this pitcher; missing coverage is shown explicitly.

2026-06-02
Avoids Bad ChasesST 67.6% · rebadged research
61
Avoids Bad TakesHPT 29.1% · rebadged research
17
Correct Decisions66.1% · rebadged research
50
Resists Breaking - horizontalwOBA 0.301 · borderline
20
Resists Breaking - verticalwOBA 0.265 · insufficient sample
86
Resists ChangeupwOBA 0.286 · validated thin sample
25
Resists Cutters + splitterswOBA 0.353 · insufficient sample
12
Resists FastballwOBA 0.313 · validated
92
Resists SinkerwOBA 0.326 · validated
95
SEAGER+ Plate Discipline99
43
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 Vierling, Matt · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 2026-05-19: 0.3232026-05-21: 0.3282026-05-23: 0.3192026-05-24: 0.3192026-05-25: 0.3242026-05-26: 0.3242026-05-28: 0.3212026-05-29: 0.3212026-05-30: 0.3152026-05-31: 0.3132026-06-01: 0.3102026-06-02: 0.310 2026-05-19 2026-06-02 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 Vierling, Matt · Aggregate zone metrics; not pitch-by-pitch locations Zone: 51%51%Chase: 29%29%Whiff: 15%15%Zone contact: 90%90%Contact: 85%85%Hard hit: 36%36% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Reference layer

Current snapshot

Age29
Height6' 1"
Weight205 lb
Debut2021-06-19
Live layer

Delta / regression

xwOBA Δ-0.003
wOBA Δ+0.005

negative regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Hitting32026-05-18Disciplined swing decisions drove the score
Projection links / recent games

Available detail

Hitter Projections 20260.314 xwOBA | 8 HRProjection
2026-05-20 vs CLE0 HR | 1 RBI / 3 Ch | 0 E0-3 | K, RBI
2026-04-20 @ BOS0 HR | 0 RBI / 3 Ch | 0 E1-4 | 2B, 2 K, R
2026-04-17 @ BOS0 HR | 0 RBI / 3 Ch | 0 E0-3
2026-04-15 vs KC0 HR | 0 RBI / 0 Ch | 0 E0-0
2026-04-14 vs KC0 HR | 0 RBI / 2 Ch | 0 E1-2 | BB