Mithrandir Metrics
Player Seattle Mariners Refreshed Jun 1 06:00 AM ET
Player profile / Seattle Mariners

Rob Refsnyder

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

Cards
2
Modules
1
Live Δ
yes
Club Seattle Mariners Position DH 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 preseason0.295
xwOBA current pace0.265
xwOBA rolling p500.285
Observed weight32%
xwOBA
0.245 0.264 0.285 0.307 0.326
wOBA
0.190 0.216 0.245 0.273 0.299
ISO
0.085 0.107 0.133 0.158 0.181
K%
22.3% 24.6% 27.0% 29.5% 31.7%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Hitting · percentile strip
BB%7.8%
38 -25 vs proj
Barrel%5.8%
60 +17 vs proj
Bat speed69.0
40
Exit velocity87.5
38
Hard-hit%37.9%
42
K%32.0%
7 -17 vs proj
xBA0.256
7
xSLG0.497
45
xwOBA0.265
14 -19 vs proj
Defense · percentile strip
Outs Above Avg-1.0 · RF
20
Arm Runs-0.2 · RF
Limited
Range Runs-0.5 · RF
Limited
Baserunning · percentile strip
Sprint Speed26.6
30
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 73.1% · rebadged research
87
Avoids Bad TakesHPT 24.2% · rebadged research
60
Correct Decisions70.4% · rebadged research
86
Resists Breaking - horizontalwOBA 0.284 · borderline
48
Resists Breaking - verticalwOBA 0.270 · insufficient sample
76
Resists ChangeupwOBA 0.272 · validated thin sample
65
Resists Cutters + splitterswOBA 0.317 · insufficient sample
87
Resists FastballwOBA 0.309 · validated
94
Resists SinkerwOBA 0.340 · validated
86
SEAGER+ Plate Discipline108
85
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 Refsnyder, Rob · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 2026-05-17: 0.2592026-05-19: 0.2582026-05-21: 0.2492026-05-23: 0.2462026-05-24: 0.2452026-05-25: 0.2452026-05-26: 0.2452026-05-28: 0.2682026-05-29: 0.2682026-05-30: 0.2682026-05-31: 0.2652026-06-01: 0.265 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 Refsnyder, Rob · Aggregate zone metrics; not pitch-by-pitch locations Zone: 48%48%Chase: 25%25%Whiff: 24%24%Zone contact: 89%89%Contact: 76%76%Hard hit: 38%38% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Reference layer

Current snapshot

Age35
Height5' 11"
Weight215 lb
Debut2015-07-11
Live layer

Delta / regression

xwOBA Δ-0.027
wOBA Δ-0.047

positive regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Hitting22026-05-27Impact contact was the main driver
Projection links / recent games

Available detail

Hitter Projections 20260.291 xwOBA | 10 HRProjection
2026-05-20 vs CWS0 HR | 0 RBI / 0 Ch | 0 E0-2
2026-04-20 vs ATH0 HR | 0 RBI / 0 Ch | 0 E0-2 | K
2026-04-17 vs TEX0 HR | 0 RBI / 1 Ch | 0 E0-2
2026-04-11 vs HOU0 HR | 0 RBI / 0 Ch | 0 E0-1
2026-04-08 @ TEX0 HR | 0 RBI / 3 Ch | 0 E0-2 | BB, K