Mithrandir Metrics
Player Miami Marlins Refreshed Jun 1 06:00 AM ET
Player profile / Miami Marlins

Joe Mack

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

Cards
0
Modules
0
Live Δ
yes
Club Miami Marlins Position C 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 preseason0.273
xwOBA current pace0.222
xwOBA rolling p500.261
Observed weight24%
xwOBA
0.188 0.223 0.261 0.300 0.334
wOBA
0.163 0.194 0.229 0.263 0.294
ISO
0.052 0.078 0.107 0.136 0.162
K%
16.8% 21.8% 27.4% 33.1% 38.1%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Hitting · percentile strip
BB%5.9%
19 -28 vs proj
Barrel%2.9%
23 -17 vs proj
Bat speed73.0
89
Exit velocity89.3
60
Hard-hit%35.7%
31
K%32.4%
6 -16 vs proj
xBA0.279
15
xSLG0.403
16
xwOBA0.222
4 -26 vs proj
Defense · percentile strip
Blocking Runs0.1 · C
53
Catcher Throwing0.9 · C
71
Framing Runs0.9 · C
62
Pop Time1.9 · C
85
Baserunning · percentile strip
Sprint Speed26.6 · C
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 71.8% · rebadged research
82
Avoids Bad TakesHPT 23.3% · rebadged research
68
Correct Decisions72.0% · rebadged research
92
Resists Breaking - horizontalwOBA 0.280 · borderline
62
Resists Breaking - verticalwOBA 0.266 · insufficient sample
85
Resists ChangeupwOBA 0.266 · validated thin sample
77
Resists Cutters + splitterswOBA 0.322 · insufficient sample
78
Resists FastballwOBA 0.338 · validated
55
Resists SinkerwOBA 0.361 · validated
37
SEAGER+ Plate Discipline107
83
Rolling form chart

xwOBA snapshot line

Live snapshot series; true 50/100 PA windows require PA-level logs

9 snapshots
Mithrandir Metrics ROLLING XWOBA LINE Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Rolling xwOBA Mack, Joe · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 2026-05-23: 0.2042026-05-24: 0.2162026-05-25: 0.2172026-05-26: 0.2152026-05-28: 0.2062026-05-29: 0.2072026-05-30: 0.2072026-05-31: 0.2102026-06-01: 0.222 2026-05-23 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 Mack, Joe · Aggregate zone metrics; not pitch-by-pitch locations Zone: 52%52%Chase: 24%24%Whiff: 24%24%Zone contact: 83%83%Contact: 76%76%Hard hit: 36%36% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Reference layer

Current snapshot

Age23
Height6' 0"
Weight210 lb
Debut2026-05-04
Live layer

Delta / regression

xwOBA Δ-0.067
wOBA Δ-0.060
Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
No Mithrandir card history is available for this player yet.
Projection links / recent games

Available detail

Hitter Projections 20260.289 xwOBA | 6 HRProjection