Mithrandir Metrics
Hitter projection 2026 Refreshed Jul 16 06:00 AM ET
Hitter projection / ATL · 2026

Acuña Jr.., Ronald

Middle-order power profile with real damage

Primary
0.381 xwOBA
Range
0.340 to 0.424
Live Δ
yes
Team ATL Archetype Impact slugger Age 29 Status Healthy / active roster
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.

2026-07-16
82
Offense
percentile
Offense9 metrics
82
Defense4 metrics
40
Speed4 metrics
41
Plate skills10 metrics
54
Rolling projection

Preseason / current pace / Bayesian update

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

2026-07-16
xwOBA preseason0.381
xwOBA current pace0.378
xwOBA rolling p500.380
Observed weight53%
xwOBA
0.351 0.364 0.380 0.395 0.408
wOBA
0.334 0.353 0.374 0.395 0.414
ISO
0.150 0.167 0.187 0.206 0.223
K%
18.3% 19.6% 21.2% 22.7% 24.0%
Current percentile strip

Actual percentile with projection tick

100th = best in MLB.

2026-07-16
Hitting · percentile strip
Barrel%7.8%
85
Exit velocity90.3
78
Hard-hit%44.3%
73 -19 vs proj
xBA0.345
74
xSLG0.667
89
xwOBA0.378
96
BB%15.2%
97
Bat speed73.4
91
K%22.1%
51
Defense · percentile strip
Arm Runs0.2 · RF
57
Arm Strength97.8 · RF
86
Outs Above Avg-4.0 · RF
4
Range Runs-4.0 · RF
11
Baserunning · percentile strip
Base Running Runs0.7 · RF
63
Bolts1.0 · RF
15
SB Success Rate76.5% · RF
38
Sprint Speed27.3 · RF
48
Mithrandir+

SEAGER+ and decision components

SEAGER+ is the promoted plate-discipline index; component rows marked rebadged research are visible diagnostic context, not standalone promoted metrics.

2026-07-16
Avoids Bad ChasesST 71.1% · rebadged research
79
Avoids Bad TakesHPT 20.7% · rebadged research
86
Correct Decisions71.1% · rebadged research
89
SEAGER+ Plate Discipline110
89
Resists Breaking - horizontalwOBA 0.300 · borderline
25
Resists Breaking - verticalwOBA 0.295 · insufficient sample
14
Resists ChangeupwOBA 0.302 · validated thin sample
10
Resists Cutters + splitterswOBA 0.339 · insufficient sample
31
Resists FastballwOBA 0.300 · validated
97
Resists SinkerwOBA 0.370 · validated
24
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 Acuña Jr.., Ronald · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.308 0.378 2026-07-05: 0.3782026-07-06: 0.3782026-07-07: 0.3782026-07-08: 0.3782026-07-09: 0.3782026-07-10: 0.3782026-07-11: 0.3782026-07-12: 0.3782026-07-13: 0.3782026-07-14: 0.3782026-07-15: 0.3782026-07-16: 0.378 2026-07-05 2026-07-16 xwOBA MITHRANDIR · CHARTS
Spray profile

Field-coordinate spray profile

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

All BIP Singles Doubles Triples HR vs LHP vs RHP Home / Away
Mithrandir Metrics SPRAY CHART Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Spray Chart Acuña Jr.., Ronald · Statcast batted-ball landing coordinates Left field third: 17% of plotted batted ballsPull 17%Center field third: 66% of plotted batted ballsCenter 66%Right field third: 17% of plotted batted ballsOppo 17% LF 335 CF 400 RF 325 2026-03-23 · double · FF · line_drive · EV 106.4 / LA 14.02026-03-23 · grounded into double play · SI · ground_ball · EV 106.7 / LA 7.02026-03-23 · field out · FC · ground_ball · EV 76.4 / LA 9.02026-03-24 · double · ST · ground_ball · EV 103.6 / LA 5.02026-03-27 · field out · FF · fly_ball · EV 81.1 / LA 41.02026-03-27 · field out · FC · ground_ball · EV 87.1 / LA -6.02026-03-28 · field out · SL · ground_ball · EV 62.4 / LA -7.02026-03-28 · single · FC · line_drive · EV 95.9 / LA 10.02026-03-28 · field out · FC · fly_ball · EV 87.1 / LA 28.02026-03-29 · field out · SI · ground_ball · EV 73.1 / LA -6.02026-03-29 · field out · CU · ground_ball · EV 108.6 / LA 1.02026-03-29 · field out · FF · fly_ball · EV 105.9 / LA 30.02026-03-29 · field out · FC · popup · EV 82.2 / LA 83.02026-03-30 · double · SI · fly_ball · EV 102.8 / LA 25.02026-03-30 · single · SL · ground_ball · EV 53.3 / LA 17.02026-03-31 · sac fly · SI · line_drive · EV 100.6 / LA 19.02026-03-31 · field out · SI · popup · EV 67.0 / LA 43.02026-04-01 · field out · SI · fly_ball · EV 103.4 / LA 42.02026-04-01 · field out · FF · ground_ball · EV 91.3 / LA -9.02026-04-02 · field out · FF · line_drive · EV 105.3 / LA 19.02026-04-02 · single · SI · line_drive · EV 92.5 / LA 11.02026-04-02 · field out · SI · popup · EV 74.3 / LA 63.02026-04-03 · field out · SI · ground_ball · EV 60.8 / LA -13.02026-04-03 · single · CH · ground_ball · EV 88.2 / LA -5.02026-04-03 · field out · CH · fly_ball · EV 101.1 / LA 37.02026-04-03 · field out · FF · popup · EV 78.0 / LA 74.02026-04-04 · field out · SI · ground_ball · EV 69.9 / LA -13.02026-04-04 · field out · SI · popup · EV 58.9 / LA 58.02026-04-04 · field out · SI · ground_ball · EV 112.3 / LA 2.02026-04-05 · field out · SI · fly_ball · EV 81.2 / LA 41.02026-04-05 · field out · SI · ground_ball · EV 75.9 / LA -11.02026-04-05 · single · SI · line_drive · EV 109.6 / LA 9.02026-04-05 · field error · SI · ground_ball · EV 93.5 / LA -20.02026-04-05 · single · SI · line_drive · EV 95.2 / LA 8.02026-04-06 · field out · SI · fly_ball · EV 104.8 / LA 25.02026-04-06 · field out · SI · ground_ball · EV 97.1 / LA -18.02026-04-06 · field out · SI · ground_ball · EV 81.0 / LA -33.02026-04-07 · field out · FS · line_drive · EV 89.6 / LA 11.02026-04-07 · field out · FS · fly_ball · EV 95.8 / LA 33.02026-04-07 · single · ST · line_drive · EV 105.5 / LA 11.02026-04-08 · double · FF · fly_ball · EV 60.3 / LA 39.02026-04-08 · field out · SL · ground_ball · EV 103.0 / LA -6.02026-04-08 · double · CH · fly_ball · EV 106.4 / LA 23.02026-04-10 · field out · FF · fly_ball · EV 100.3 / LA 32.02026-04-10 · single · SI · ground_ball · EV 62.6 / LA 15.02026-04-10 · home run · CU · fly_ball · EV 104.9 / LA 32.02026-04-10 · field out · ST · line_drive · EV 96.0 / LA 24.02026-04-10 · field out · FC · ground_ball · EV 56.6 / LA -59.02026-04-11 · triple · CH · line_drive · EV 91.5 / LA 14.02026-04-11 · field out · FC · ground_ball · EV 44.4 / LA -3.02026-04-12 · single · FF · line_drive · EV 96.0 / LA 16.02026-04-12 · double · FC · line_drive · EV 91.6 / LA 15.02026-04-12 · field out · CH · line_drive · EV 108.0 / LA 16.02026-04-12 · field out · SI · ground_ball · EV 76.8 / LA 5.02026-04-13 · single · FF · ground_ball · EV 85.7 / LA 3.02026-04-13 · double play · SL · fly_ball · EV 103.8 / LA 39.02026-04-14 · field out · SI · ground_ball · EV 102.1 / LA -9.02026-04-14 · field out · CH · fly_ball · EV 93.4 / LA 39.02026-04-14 · field out · ST · ground_ball · EV 82.7 / LA -8.02026-04-15 · double · SL · line_drive · EV 96.5 / LA 23.02026-04-15 · single · CU · ground_ball · EV 106.4 / LA 2.02026-04-17 · field out · FF · fly_ball · EV 92.8 / LA 41.02026-04-17 · field out · FS · ground_ball · EV 32.5 / LA 22.02026-04-17 · field out · SI · line_drive · EV 97.1 / LA 20.02026-04-17 · single · SI · line_drive · EV 61.8 / LA 29.02026-04-18 · single · CH · ground_ball · EV 108.5 / LA 6.02026-04-18 · field out · CH · ground_ball · EV 74.5 / LA -38.02026-04-18 · field out · SI · fly_ball · EV 107.6 / LA 33.02026-04-19 · field out · FF · popup · EV 89.2 / LA 66.02026-04-19 · single · SI · ground_ball · EV 106.8 / LA 6.02026-04-19 · field out · SI · popup · EV 68.3 / LA 86.02026-04-21 · field out · FS · fly_ball · EV 93.0 / LA 26.02026-04-21 · field out · FC · ground_ball · EV 75.8 / LA 3.02026-04-21 · field out · FF · ground_ball · EV 85.4 / LA 2.02026-04-21 · single · FF · ground_ball · EV 101.9 / LA 7.02026-04-22 · field out · SI · ground_ball · EV 94.6 / LA -14.02026-04-22 · field out · FF · fly_ball · EV 102.9 / LA 48.02026-04-22 · sac fly · SL · fly_ball · EV 102.7 / LA 38.02026-04-22 · field out · FF · fly_ball · EV 89.0 / LA 48.02026-04-23 · field out · FF · fly_ball · EV 84.0 / LA 49.02026-04-23 · field out · FF · ground_ball · EV 93.5 / LA -16.02026-04-23 · single · SI · ground_ball · EV 108.3 / LA -9.02026-04-23 · field out · FF · ground_ball · EV 69.6 / LA -23.02026-04-24 · field out · SI · popup · EV 84.5 / LA 60.02026-04-24 · home run · FS · fly_ball · EV 105.8 / LA 30.02026-04-24 · field out · FF · ground_ball · EV 93.4 / LA -11.02026-04-25 · field out · FF · fly_ball · EV 96.0 / LA 37.02026-04-25 · field out · CH · fly_ball · EV 89.9 / LA 34.02026-04-26 · single · SI · line_drive · EV 92.5 / LA 7.02026-04-26 · single · KC · ground_ball · EV 109.4 / LA 8.02026-04-28 · double · SI · line_drive · EV 106.8 / LA 20.02026-04-28 · double · FS · line_drive · EV 80.5 / LA 20.02026-04-28 · field out · SI · ground_ball · EV 86.6 / LA -28.02026-04-30 · field out · SI · fly_ball · EV 89.1 / LA 48.02026-04-30 · field out · CH · ground_ball · EV 87.6 / LA -6.02026-04-30 · double · CH · ground_ball · EV 95.9 / LA -2.02026-05-01 · field out · FF · ground_ball · EV 71.8 / LA -19.02026-05-01 · single · FF · line_drive · EV 109.7 / LA 13.02026-05-01 · field out · FF · line_drive · EV 86.6 / LA 21.02026-05-01 · single · CU · line_drive · EV 88.8 / LA 14.02026-05-02 · single · CH · line_drive · EV 94.7 / LA 17.02026-05-02 · field out · SI · ground_ball · EV 87.1 / LA -25.02026-05-19 · field out · ST · popup · EV 74.9 / LA 88.02026-05-19 · double · SI · line_drive · EV 108.6 / LA 20.02026-05-19 · field out · FF · popup · EV 85.6 / LA 76.02026-05-20 · field out · SL · fly_ball · EV 88.5 / LA 46.02026-05-20 · single · SL · ground_ball · EV 108.1 / LA 6.02026-05-20 · field out · FF · fly_ball · EV 102.8 / LA 56.02026-05-21 · single · SI · ground_ball · EV 95.2 / LA -26.02026-05-21 · field out · SL · fly_ball · EV 94.7 / LA 59.02026-05-21 · single · CH · ground_ball · EV 97.9 / LA 8.02026-05-22 · field out · ST · fly_ball · EV 98.7 / LA 58.02026-05-22 · field out · SI · ground_ball · EV 103.6 / LA 0.02026-05-22 · field out · SL · fly_ball · EV 95.8 / LA 27.02026-05-22 · field out · SL · fly_ball · EV 97.9 / LA 42.02026-05-24 · field out · ST · fly_ball · EV 101.3 / LA 33.02026-05-24 · field out · SI · ground_ball · EV 40.2 / LA 5.02026-05-26 · field out · SL · ground_ball · EV 68.0 / LA -16.02026-05-26 · single · FF · line_drive · EV 100.0 / LA 12.02026-05-26 · field out · FC · ground_ball · EV 75.8 / LA 8.02026-05-27 · field out · CH · ground_ball · EV 89.0 / LA -32.02026-05-27 · field out · CH · line_drive · EV 100.7 / LA 20.02026-05-31 · single · SV · line_drive · EV 87.0 / LA 18.02026-05-31 · home run · SI · fly_ball · EV 112.0 / LA 27.02026-06-04 · field out · FF · ground_ball · EV 91.3 / LA -30.02026-06-04 · field out · ST · fly_ball · EV 97.8 / LA 54.02026-06-04 · single · ST · ground_ball · EV 82.3 / LA -19.02026-06-05 · single · SL · ground_ball · EV 76.0 / LA 11.02026-06-05 · field out · FF · popup · EV 89.4 / LA 58.02026-06-05 · single · FF · line_drive · EV 92.0 / LA 16.02026-06-05 · field out · FF · fly_ball · EV 90.3 / LA 35.02026-06-07 · field out · FF · fly_ball · EV 89.5 / LA 51.0 1B2B3BHROut Zone shading = batted-ball density by field third · hover dots for date, pitch, EV, and LA. MITHRANDIR · CHARTS
Bat tracking

Swing path, attack angle, bat speed

Aggregate Savant bat-tracking metrics; not per-swing motion capture. The full swing, with the recommended path overlaid, lives in the 3D Swing Simulator.

Watch the swing in 3D →

2026
Mithrandir Metrics BAT SPEED DISTRIBUTION Parameterized Mithrandir chart rendered as SVG for templates and exports. Bat Speed Acuña Jr.., Ronald · aggregate bat speed marker 60 mph 85 mph Avg bat speed 75.5 mph Hard swing rate 58% Whiff / swing 24% 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 Acuña Jr.., Ronald · Aggregate zone metrics; not pitch-by-pitch locations Zone: 43%43%Chase: 25%25%Whiff: 26%26%Zone contact: 79%79%Contact: 74%74%Hard hit: 44%44% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Model read

Projection notes

1
templated note
Walk rate keeps the offensive floor healthy even if the batted-ball results wobble.
Live context

Current-season signal

xwOBA Δ-0.003
wOBA Δ-0.008
Sample244 PA

positive regression

Projection table

Point projection and range

MetricPointRangeHalf-width
Plate Appearances430----
Home Runs19----
Stolen Bases0----
xwOBA0.3810.340 to 0.424+/- 0.042
ISO0.2060.150 to 0.288+/- 0.069
Barrel%8.9%6.0% to 10.9%+/- 2.5%
Hard-Hit%50.2%43.7% to 57.5%+/- 6.9%
K%21.6%16.2% to 25.8%+/- 4.8%
BB%12.1%10.7% to 15.5%+/- 2.4%
BABIP0.3310.292 to 0.366+/- 0.037
Platoon / Shape
vs LHP

907 career PA

xwOBA0.319
K%16.7%
BB%12.9%
Barrel6.6%
vs RHP

2980 career PA

xwOBA0.337
K%15.0%
BB%10.5%
Barrel7.7%