Mithrandir Metrics
Player Miami Marlins Refreshed Sep 28 06:00 AM ET
Player profile / Miami Marlins

Heriberto Hernandez

LF · Bats/Throws R/R · 5' 11", 195 lb · Age 26

Cards
3
Modules
1
Live Δ
yes
Club Miami Marlins Position LF Roster Current MLB team Status Healthy / active roster
Traditional line

Season by season

PARHHRSBAVGOBPSLGOPS
20252944068101.266.347.438.785
2026505511022513.228.313.442.755
2 Seasons799911703514.241.325.440.765
At a glance

Season percentile report

The headline weighs outcome stats (xwOBA, barrels); each bar averages its full strip group below. 100 = best in MLB.

2026-09-28
89
Offense
percentile
Offense9 metrics
80
Defense4 metrics
65
Speed3 metrics
40
Plate skills10 metrics
68
Rolling projection

Preseason / current pace / Bayesian update

Rolling bands shrink current-season signal toward the preseason prior until the sample earns more weight.

2026-09-28
xwOBA preseason0.320
xwOBA current pace0.348
xwOBA rolling p500.340
Observed weight70%
xwOBA
0.316 0.327 0.340 0.352 0.364
wOBA
0.327 0.339 0.354 0.368 0.381
ISO
0.173 0.187 0.202 0.217 0.231
K%
23.8% 25.0% 26.2% 27.4% 28.5%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-09-28
Hitting · percentile strip
Barrel%7.8%
86 +20 vs proj
Exit velocity91.6
92
Hard-hit%48.4%
89 +18 vs proj
xBA0.346
81
xSLG0.677
93
xwOBA0.348
91 +19 vs proj
BB%10.7%
77 +25 vs proj
Bat speed72.0
80
K%26.5%
30
Defense · percentile strip
Arm Runs-1.7 · LF
16
Arm Strength98.7 · LF
85
Outs Above Avg2.0 · LF
88
Range Runs1.9 · LF
71
Baserunning · percentile strip
Base Running Runs-1.9 · LF
18
SB Success Rate70.0% · LF
26
Sprint Speed28.3 · LF
75
Mithrandir+

Plate skills: swing decisions and pitch-type resistance

Our research metrics for how this hitter controls the strike zone and handles each pitch family.

2026-09-28
Avoids Bad ChasesST 72.1% · rebadged research
85
Avoids Bad TakesHPT 20.5% · rebadged research
88
Correct Decisions71.4% · rebadged research
92
SEAGER+ Plate Discipline112
93
Resists Breaking - horizontalwOBA 0.344 · borderline
1
Resists Breaking - verticalwOBA 0.284 · insufficient sample
38
Resists ChangeupwOBA 0.293 · validated thin sample
23
Resists Cutters + splitterswOBA 0.315 · insufficient sample
79
Resists FastballwOBA 0.303 · validated
96
Resists SinkerwOBA 0.340 · validated
82
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 0.302 0.348 2026-09-14: 0.3522026-09-18: 0.3502026-09-19: 0.3492026-09-20: 0.3492026-09-21: 0.3472026-09-22: 0.3472026-09-23: 0.3472026-09-24: 0.3482026-09-25: 0.3482026-09-26: 0.3442026-09-27: 0.3452026-09-28: 0.348 2026-09-14 2026-09-28 xwOBA MITHRANDIR · CHARTS
Spray profile

Field-coordinate spray profile

196 Statcast batted-ball coordinates from the pitch-event feed (2026). Direction profile remains as the v1 context layer when coordinate density is limited.

Mithrandir Metrics SPRAY CHART Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Spray Chart Hernández, Heriberto · Statcast batted-ball landing coordinates Left field third: 18% of plotted batted ballsPull 18%Center field third: 71% of plotted batted ballsCenter 71%Right field third: 11% of plotted batted ballsOppo 11% LF 344 CF 400 RF 335 2026-03-15 · single · ST · ground_ball · EV 88.7 / LA 3.02026-03-15 · field out · FF · ground_ball · EV 101.7 / LA 1.02026-03-22 · single · SL · ground_ball · EV 85.5 / LA -10.02026-03-22 · single · FF · line_drive · EV 106.7 / LA 11.02026-03-27 · field out · ST · fly_ball · EV 90.6 / LA 33.02026-03-27 · field out · ST · ground_ball · EV 75.3 / LA 7.02026-03-27 · force out · SI · ground_ball · EV 105.4 / LA -17.02026-03-27 · field out · FC · ground_ball · EV 49.0 / LA -69.02026-03-29 · field out · SI · ground_ball · EV 88.2 / LA 3.02026-03-29 · field out · SI · ground_ball · EV 94.9 / LA -18.02026-03-31 · field out · SI · fly_ball · EV 99.9 / LA 33.02026-03-31 · field out · SI · fly_ball · EV 97.3 / LA 61.02026-03-31 · single · SI · ground_ball · EV 98.3 / LA 2.02026-04-01 · single · SL · line_drive · EV 109.9 / LA 11.02026-04-01 · field out · FF · fly_ball · EV 100.3 / LA 43.02026-04-04 · triple · FF · line_drive · EV 107.7 / LA 14.02026-04-04 · field out · FF · fly_ball · EV 98.4 / LA 30.02026-04-04 · field out · SL · fly_ball · EV 82.2 / LA 53.02026-04-04 · field out · FS · ground_ball · EV 82.2 / LA -31.02026-04-05 · field error · CU · ground_ball · EV 85.8 / LA -10.02026-04-05 · field out · FC · fly_ball · EV 89.1 / LA 29.02026-04-05 · field out · ST · popup · EV 54.2 / LA 59.02026-04-06 · field out · FF · ground_ball · EV 73.3 / LA -10.02026-04-06 · force out · FC · ground_ball · EV 91.6 / LA -9.02026-04-06 · field out · FF · line_drive · EV 101.6 / LA 15.02026-04-07 · single · FF · ground_ball · EV 103.7 / LA 3.02026-04-07 · field out · FF · ground_ball · EV 99.5 / LA -16.02026-04-07 · field out · FF · fly_ball · EV 94.3 / LA 34.02026-04-09 · field out · SI · ground_ball · EV 82.3 / LA -5.02026-04-09 · field out · FF · line_drive · EV 99.2 / LA 8.02026-04-11 · single · SI · ground_ball · EV 99.4 / LA -12.02026-04-11 · field out · FF · ground_ball · EV 74.8 / LA 2.02026-04-12 · field out · FF · fly_ball · EV 85.8 / LA 59.02026-04-13 · field out · SI · ground_ball · EV 79.7 / LA -42.02026-04-13 · field out · SL · ground_ball · EV 94.3 / LA -5.02026-04-13 · single · SI · ground_ball · EV 108.1 / LA -5.02026-04-13 · single · SL · line_drive · EV 85.4 / LA 13.02026-04-15 · fielders choice · SI · ground_ball · EV 59.3 / LA -27.02026-04-18 · field out · SI · fly_ball · EV 80.9 / LA 31.02026-04-18 · field out · FF · line_drive · EV 104.2 / LA 14.02026-04-18 · field out · FC · ground_ball · EV 85.6 / LA -16.02026-04-18 · force out · SI · ground_ball · EV 91.1 / LA -6.02026-04-21 · single · SL · line_drive · EV 99.0 / LA 15.02026-04-22 · single · FF · line_drive · EV 108.9 / LA 6.02026-04-22 · field out · SI · fly_ball · EV 81.8 / LA 47.02026-04-22 · single · SL · line_drive · EV 99.3 / LA 16.02026-04-22 · force out · SL · ground_ball · EV 69.0 / LA -36.02026-04-24 · field out · ST · popup · EV 71.1 / LA 80.02026-04-25 · field out · FF · fly_ball · EV 97.6 / LA 45.02026-04-25 · field out · FF · ground_ball · EV 98.5 / LA -11.02026-04-25 · field out · CH · ground_ball · EV 79.2 / LA -40.02026-04-25 · force out · SL · ground_ball · EV 86.6 / LA 2.02026-04-26 · field out · CU · popup · EV 65.2 / LA 43.02026-05-07 · field out · FF · fly_ball · EV 99.1 / LA 35.02026-05-07 · field out · FF · ground_ball · EV 101.2 / LA -12.02026-05-07 · field out · FF · line_drive · EV 103.1 / LA 16.02026-05-07 · field out · FF · popup · EV 91.3 / LA 73.02026-05-10 · fielders choice out · CH · ground_ball · EV 77.2 / LA -2.02026-05-10 · single · SL · line_drive · EV 97.0 / LA 12.02026-05-10 · field out · FF · fly_ball · EV 103.1 / LA 26.02026-05-10 · single · KC · line_drive · EV 100.2 / LA 13.02026-05-12 · field out · ST · popup · EV 81.9 / LA 72.02026-05-12 · field out · CH · line_drive · EV 94.9 / LA 19.02026-05-16 · home run · SL · fly_ball · EV 107.9 / LA 28.02026-05-17 · field out · CH · line_drive · EV 96.6 / LA 10.02026-05-19 · single · FF · line_drive · EV 102.8 / LA 12.02026-05-19 · field error · CH · line_drive · EV 87.1 / LA 12.02026-05-20 · sac fly · FF · line_drive · EV 103.4 / LA 14.02026-05-20 · field out · FC · ground_ball · EV 92.0 / LA -6.02026-05-21 · single · CH · line_drive · EV 89.4 / LA 17.02026-05-24 · single · CH · ground_ball · EV 66.8 / LA -44.02026-05-24 · home run · CH · fly_ball · EV 104.9 / LA 26.02026-05-26 · single · CU · ground_ball · EV 78.7 / LA 3.02026-05-26 · field out · SL · fly_ball · EV 101.5 / LA 42.02026-05-27 · single · FC · ground_ball · EV 95.6 / LA 5.02026-05-31 · field out · FF · ground_ball · EV 58.3 / LA -45.02026-05-31 · field out · SL · fly_ball · EV 90.9 / LA 44.02026-06-01 · field out · FF · popup · EV 88.7 / LA 67.02026-06-01 · home run · SL · fly_ball · EV 110.6 / LA 24.02026-06-07 · field out · SI · ground_ball · EV 96.5 / LA 1.02026-06-07 · single · ST · line_drive · EV 99.9 / LA 16.02026-06-15 · single · SI · line_drive · EV 104.6 / LA 10.02026-06-15 · field out · SI · ground_ball · EV 90.1 / LA -41.02026-06-20 · force out · SI · ground_ball · EV 99.5 / LA -10.02026-06-20 · home run · SL · fly_ball · EV 107.2 / LA 39.02026-06-22 · field out · SI · line_drive · EV 104.8 / LA 7.02026-06-22 · field out · SL · ground_ball · EV 86.6 / LA -23.02026-06-22 · field out · CH · ground_ball · EV 98.5 / LA -15.02026-06-24 · field out · FC · ground_ball · EV 57.0 / LA -63.02026-06-24 · field out · FF · fly_ball · EV 92.0 / LA 40.02026-06-24 · field out · SL · ground_ball · EV 82.8 / LA -18.02026-06-26 · field out · FF · popup · EV 89.4 / LA 70.02026-06-26 · field out · SI · line_drive · EV 110.9 / LA 8.02026-07-01 · field out · FF · ground_ball · EV 101.6 / LA -20.02026-07-01 · double · FC · ground_ball · EV 106.2 / LA 3.02026-07-01 · force out · ST · ground_ball · EV 91.1 / LA -20.02026-07-27 · home run · SI · fly_ball · EV 99.9 / LA 35.02026-07-27 · single · FF · ground_ball · EV 100.1 / LA 1.02026-07-31 · field out · SL · popup · EV 85.6 / LA 76.02026-08-04 · single · SI · line_drive · EV 103.4 / LA 0.02026-08-04 · field out · CH · fly_ball · EV 83.4 / LA 52.02026-08-04 · single · SL · line_drive · EV 86.7 / LA 10.02026-08-05 · field out · SL · fly_ball · EV 100.4 / LA 23.02026-08-05 · field error · SI · ground_ball · EV 56.7 / LA -58.02026-08-05 · field out · SI · ground_ball · EV 103.6 / LA -2.02026-08-05 · field out · SI · ground_ball · EV 98.5 / LA -12.02026-08-07 · field out · SL · fly_ball · EV 93.8 / LA 51.02026-08-07 · field out · ST · popup · EV 79.5 / LA 54.02026-08-08 · force out · SI · ground_ball · EV 94.2 / LA -1.02026-08-08 · double · SL · ground_ball · EV 97.3 / LA 5.02026-08-11 · field error · ST · ground_ball · EV 79.1 / LA 5.02026-08-14 · single · SL · line_drive · EV 105.7 / LA 10.02026-08-15 · single · FF · line_drive · EV 92.5 / LA 16.02026-08-15 · single · SI · line_drive · EV 85.3 / LA 9.02026-08-15 · field out · SI · line_drive · EV 106.0 / LA 18.02026-08-16 · home run · ST · fly_ball · EV 102.0 / LA 24.02026-08-16 · grounded into double play · CU · ground_ball · EV 91.6 / LA 6.02026-08-17 · field out · FF · ground_ball · EV 57.7 / LA -74.02026-08-17 · double play · CH · ground_ball · EV 82.1 / LA -14.02026-08-19 · field out · CH · ground_ball · EV 69.9 / LA -46.02026-08-19 · field out · SI · ground_ball · EV 100.3 / LA -9.02026-08-19 · single · FS · ground_ball · EV 106.8 / LA 1.02026-08-21 · field out · FF · ground_ball · EV 98.6 / LA -10.02026-08-21 · field out · FF · popup · EV 87.5 / LA 68.02026-08-22 · field out · ST · fly_ball · EV 72.9 / LA 37.02026-08-22 · field out · ST · popup · EV 79.3 / LA 67.02026-08-22 · home run · FF · fly_ball · EV 109.2 / LA 22.02026-08-23 · double play · SL · fly_ball · EV 105.7 / LA 34.02026-08-23 · double · FF · line_drive · EV 111.3 / LA 13.02026-08-24 · field out · CU · fly_ball · EV 92.9 / LA 40.02026-08-24 · single · SI · ground_ball · EV 90.5 / LA -6.02026-08-24 · fielders choice out · SI · ground_ball · EV 64.8 / LA -33.02026-08-24 · single · CU · line_drive · EV 91.0 / LA 19.02026-08-26 · single · ST · line_drive · EV 72.5 / LA 20.02026-08-26 · field out · SI · ground_ball · EV 91.0 / LA -9.02026-08-26 · single · SI · ground_ball · EV 103.1 / LA -3.02026-08-29 · field out · SI · fly_ball · EV 82.2 / LA 39.02026-08-29 · home run · SL · fly_ball · EV 103.7 / LA 25.02026-08-29 · field out · FF · fly_ball · EV 93.8 / LA 25.02026-08-30 · field out · CU · popup · EV 60.1 / LA 59.02026-08-31 · field error · KN · ground_ball · EV 65.6 / LA -37.02026-08-31 · field out · ST · line_drive · EV 80.2 / LA 29.02026-09-01 · field out · FF · line_drive · EV 108.6 / LA 17.02026-09-02 · field out · SI · ground_ball · EV 88.8 / LA -1.02026-09-02 · double · SL · fly_ball · EV 94.8 / LA 27.02026-09-02 · double · FC · fly_ball · EV 105.2 / LA 22.02026-09-02 · field out · FF · line_drive · EV 105.4 / LA 17.02026-09-03 · field out · FF · fly_ball · EV 88.4 / LA 49.02026-09-03 · field out · CH · popup · EV 76.7 / LA 66.02026-09-03 · home run · FF · fly_ball · EV 96.6 / LA 32.02026-09-04 · field out · FF · fly_ball · EV 104.9 / LA 33.02026-09-04 · field out · FF · ground_ball · EV 86.9 / LA -26.02026-09-05 · field out · SI · popup · EV 61.0 / LA 26.02026-09-05 · field out · SI · popup · EV 64.3 / LA 56.02026-09-06 · home run · SI · fly_ball · EV 101.2 / LA 36.02026-09-06 · single · FC · line_drive · EV 100.1 / LA 15.02026-09-06 · grounded into double play · FF · ground_ball · EV 101.5 / LA 2.02026-09-06 · field out · FC · fly_ball · EV 87.0 / LA 38.02026-09-07 · field out · FF · fly_ball · EV 91.7 / LA 44.02026-09-08 · field out · FF · ground_ball · EV 97.2 / LA -11.02026-09-08 · single · FF · ground_ball · EV 93.2 / LA 2.02026-09-08 · field out · FF · line_drive · EV 100.2 / LA 20.02026-09-08 · field out · FF · fly_ball · EV 107.0 / LA 35.02026-09-09 · field out · SI · fly_ball · EV 100.0 / LA 28.02026-09-09 · field out · FF · fly_ball · EV 102.5 / LA 43.02026-09-09 · field out · ST · line_drive · EV 104.5 / LA 7.02026-09-11 · field out · CH · fly_ball · EV 92.5 / LA 31.02026-09-11 · field out · CH · ground_ball · EV 100.9 / LA -23.02026-09-11 · field out · FF · fly_ball · EV 85.0 / LA 43.02026-09-11 · single · ST · ground_ball · EV 87.7 / LA -1.02026-09-12 · field out · SI · ground_ball · EV 83.5 / LA -37.02026-09-12 · field out · SL · fly_ball · EV 103.0 / LA 45.02026-09-12 · single · KC · line_drive · EV 94.8 / LA 14.02026-09-13 · field out · CH · ground_ball · EV 60.7 / LA -18.02026-09-13 · single · SL · ground_ball · EV 41.5 / LA -73.02026-09-18 · single · FF · line_drive · EV 103.7 / LA 9.02026-09-18 · field out · FC · fly_ball · EV 96.6 / LA 43.02026-09-20 · field out · FF · ground_ball · EV 75.9 / LA 0.02026-09-20 · force out · SI · ground_ball · EV 101.8 / LA -14.02026-09-20 · field out · FF · fly_ball · EV 94.5 / LA 59.02026-09-22 · single · FF · ground_ball · EV 107.5 / LA 6.02026-09-22 · field out · FF · fly_ball · EV 99.9 / LA 40.02026-09-22 · field out · ST · line_drive · EV 94.7 / LA 21.02026-09-22 · field out · FF · fly_ball2026-09-23 · field out · FF · ground_ball · EV 81.1 / LA -49.02026-09-23 · field out · FF · ground_ball · EV 101.7 / LA -22.02026-09-25 · single · FF · line_drive · EV 101.4 / LA 8.02026-09-25 · field out · SI · ground_ball · EV 94.4 / LA -15.02026-09-25 · field out · SI · fly_ball · EV 96.0 / LA 35.02026-09-25 · field out · FF · popup · EV 97.1 / LA 80.02026-09-26 · field out · SI · fly_ball · EV 92.1 / LA 34.02026-09-26 · triple · CH · line_drive · EV 107.3 / LA 15.02026-09-26 · field out · SI · fly_ball · EV 101.2 / LA 29.02026-09-27 · home run · CH · fly_ball · EV 105.0 / LA 28.02026-09-27 · double · FC · line_drive · EV 106.7 / LA 14.02026-09-27 · field out · SI · fly_ball · EV 97.3 / LA 29.0 1B2B3BHROut Zone shading = batted-ball density by field third · hover dots for date, pitch, EV, and LA. 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: 46%46%Chase: 24%24%Whiff: 31%31%Zone contact: 79%79%Contact: 69%69%Hard hit: 48%48% 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+0.024
wOBA Δ+0.030

negative regression

Regression watch

Running hot. Expect some cooling.

-0.2σ gap
wOBA (actual)0.354
xwOBA (deserved)0.348

Hernandez’s wOBA sits at 0.354, but the quality of contact underneath says it should be 0.348 — a gap of 0.006, -0.2 standard deviations from the MLB norm over 514 PA. The results have outrun the underlying process; as the sample grows, expect the numbers to drift back toward the deserved level.

Comp Engine · 2026 profile shape

Closest profiles

Full constellation →
PlayerSimilarityAgrees onOpen
Okamoto, Kazuma TOR · R 0.76 Isolated powerBarrel rate Player · Projection
Carroll, Corbin AZ · L 0.70 Ground-ball rateHard-hit rate Player · Projection
Lowe, Brandon PIT · L 0.66 Barrel rateMax exit velocity Player · Projection
Happ, Ian CHC · L 0.65 Ground-ball rateChase rate Player · Projection

Profile-shape similarity, not results: six weighted feature groups standardized within this season's qualified hitters.

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Hitting32026-09-06Impact contact was the main driver
Projection links / recent games

Available detail

Hitter Projections 20260.324 xwOBA | 11 HRProjection
2026-08-15 @ CIN0 HR | 3 RBI / 2 Ch | 0 E2-4 | BB, K, 3 RBI
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