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

Heriberto Hernandez

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

Cards
1
Modules
1
Live Δ
yes
Club Miami Marlins Position LF 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 preseason0.320
xwOBA current pace0.343
xwOBA rolling p500.328
Observed weight35%
xwOBA
0.290 0.308 0.328 0.348 0.366
wOBA
0.277 0.303 0.332 0.362 0.388
ISO
0.088 0.113 0.140 0.168 0.193
K%
20.3% 22.1% 24.1% 26.1% 27.9%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Hitting · percentile strip
BB%12.0%
80 +36 vs proj
Barrel%4.3%
39 -21 vs proj
Bat speed72.7
87
Exit velocity90.5
78
Hard-hit%45.5%
74
K%21.4%
54 +20 vs proj
xBA0.343
68
xSLG0.561
64
xwOBA0.343
77 +15 vs proj
Defense · percentile strip
Arm Runs-0.4 · LF
39
Arm Strength95.1 · LF
73
Outs Above Avg-1.0 · LF
20
Range Runs-1.5 · LF
26
Baserunning · percentile strip
Sprint Speed28.6 · LF
86
SB Success Rate100.0% · LF
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 71.6% · rebadged research
81
Avoids Bad TakesHPT 22.6% · rebadged research
74
Correct Decisions70.6% · rebadged research
87
Resists Breaking - horizontalwOBA 0.294 · borderline
28
Resists Breaking - verticalwOBA 0.292 · insufficient sample
14
Resists ChangeupwOBA 0.289 · validated thin sample
20
Resists Cutters + splitterswOBA 0.306 · insufficient sample
96
Resists FastballwOBA 0.315 · validated
89
Resists SinkerwOBA 0.354 · validated
54
SEAGER+ Plate Discipline108
86
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 Hernández, Heriberto · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.313 2026-05-17: 0.3372026-05-19: 0.3412026-05-21: 0.3442026-05-23: 0.3422026-05-24: 0.3422026-05-25: 0.3542026-05-26: 0.3542026-05-28: 0.3482026-05-29: 0.3472026-05-30: 0.3472026-05-31: 0.3472026-06-01: 0.343 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 Hernández, Heriberto · Aggregate zone metrics; not pitch-by-pitch locations Zone: 45%45%Chase: 24%24%Whiff: 29%29%Zone contact: 80%80%Contact: 71%71%Hard hit: 45%45% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Reference layer

Current snapshot

Age26
Height5' 11"
Weight195 lb
Debut2025-05-30
Live layer

Delta / regression

xwOBA Δ+0.019
wOBA Δ+0.009

positive regression

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Hitting12026-05-10Impact contact carried uneven swing decisions
Projection links / recent games

Available detail

Hitter Projections 20260.324 xwOBA | 11 HRProjection
2026-05-20 vs ATL0 HR | 1 RBI / 5 Ch | 0 E0-3 | 2 K, RBI
2026-04-17 vs MIL0 HR | 0 RBI / 0 Ch | 0 E0-0 | 2 BB, CS
2026-04-15 @ ATL0 HR | 1 RBI / 5 Ch | 0 E0-4 | 3 K, RBI
2026-04-13 @ ATL0 HR | 0 RBI / 0 Ch | 0 E2-5 | K, R, SB
2026-04-12 @ DET0 HR | 0 RBI / 3 Ch | 0 E0-3 | BB, 2 K