Mithrandir Metrics
Hitter projection 2026 Refreshed Sep 1 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.

2026-09-01
85
Offense
percentile
Offense9 metrics
82
Defense4 metrics
48
Speed4 metrics
32
Plate skills10 metrics
58
Rolling projection

Preseason / current pace / Bayesian update

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

Pending

Rolling player projection appears after current-season Statcast and projection joins refresh.

Current percentile strip

Actual percentile with projection tick

100th = best in MLB.

2026-09-01
Hitting · percentile strip
Barrel%7.9%
86
Exit velocity90.3
81
Hard-hit%45.6%
82
xBA0.348
79
xSLG0.644
88
xwOBA0.361
94
BB%12.8%
90
Bat speed73.5
91
K%23.3%
47
Defense · percentile strip
Arm Runs1.9 · RF
89
Arm Strength100.1 · RF
92
Outs Above Avg-8.0 · RF
1
Range Runs-5.6 · RF
9
Baserunning · percentile strip
Base Running Runs-0.0 · RF
42
Bolts1.0 · RF
12
SB Success Rate76.2% · RF
37
Sprint Speed27.0 · RF
39
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.

2026-09-01
Avoids Bad ChasesST 68.4% · rebadged research
65
Avoids Bad TakesHPT 18.9% · rebadged research
93
Correct Decisions70.4% · rebadged research
88
SEAGER+ Plate Discipline110
89
Resists Breaking - horizontalwOBA 0.292 · borderline
43
Resists Breaking - verticalwOBA 0.288 · insufficient sample
23
Resists ChangeupwOBA 0.310 · validated thin sample
5
Resists Cutters + splitterswOBA 0.329 · insufficient sample
46
Resists FastballwOBA 0.293 · validated
99
Resists SinkerwOBA 0.364 · validated
29
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 0.303 0.361 2026-08-21: 0.3702026-08-22: 0.3702026-08-23: 0.3702026-08-24: 0.3702026-08-25: 0.3602026-08-26: 0.3602026-08-27: 0.3572026-08-28: 0.3572026-08-29: 0.3572026-08-30: 0.3632026-08-31: 0.3642026-09-01: 0.361 2026-08-21 2026-09-01 xwOBA MITHRANDIR · CHARTS
Spray profile

Field-coordinate spray profile

185 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: 16% of plotted batted ballsPull 16%Center field third: 69% of plotted batted ballsCenter 69%Right field third: 16% of plotted batted ballsOppo 16% 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 · FC · fly_ball · EV 87.1 / LA 28.02026-03-28 · field out · SL · ground_ball · EV 62.4 / LA -7.02026-03-28 · single · FC · line_drive · EV 95.9 / LA 10.02026-03-29 · 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 · field out · SI · popup · EV 74.3 / LA 63.02026-04-02 · single · SI · line_drive · EV 92.5 / LA 11.02026-04-03 · field out · FF · popup · EV 78.0 / LA 74.02026-04-03 · field out · SI · ground_ball · EV 60.8 / LA -13.02026-04-03 · field out · CH · fly_ball · EV 101.1 / LA 37.02026-04-03 · single · CH · ground_ball · EV 88.2 / LA -5.02026-04-04 · 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 81.0 / LA -33.02026-04-06 · field out · SI · ground_ball · EV 97.1 / LA -18.02026-04-07 · 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 · FC · ground_ball · EV 56.6 / LA -59.02026-04-10 · field out · ST · line_drive · EV 96.0 / LA 24.02026-04-11 · field out · FC · ground_ball · EV 44.4 / LA -3.02026-04-11 · triple · CH · line_drive · EV 91.5 / LA 14.02026-04-12 · 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 · single · SI · line_drive · EV 61.8 / LA 29.02026-04-17 · field out · FS · ground_ball · EV 32.5 / LA 22.02026-04-17 · field out · SI · line_drive · EV 97.1 / LA 20.02026-04-18 · field out · CH · ground_ball · EV 74.5 / LA -38.02026-04-18 · single · CH · ground_ball · EV 108.5 / LA 6.02026-04-18 · field out · SI · fly_ball · EV 107.6 / LA 33.02026-04-19 · field out · SI · popup · EV 68.3 / LA 86.02026-04-19 · field out · FF · popup · EV 89.2 / LA 66.02026-04-19 · single · SI · ground_ball · EV 106.8 / LA 6.02026-04-21 · 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 · FF · fly_ball · EV 102.9 / LA 48.02026-04-22 · field out · SI · ground_ball · EV 94.6 / LA -14.02026-04-22 · 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 · single · SI · ground_ball · EV 108.3 / LA -9.02026-04-23 · field out · FF · ground_ball · EV 69.6 / LA -23.02026-04-23 · field out · FF · ground_ball · EV 93.5 / LA -16.02026-04-24 · 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 · KC · ground_ball · EV 109.4 / LA 8.02026-04-26 · single · SI · line_drive · EV 92.5 / LA 7.02026-04-28 · double · FS · line_drive · EV 80.5 / LA 20.02026-04-28 · double · SI · line_drive · EV 106.8 / 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 · single · CU · line_drive · EV 88.8 / LA 14.02026-05-01 · field out · FF · line_drive · EV 86.6 / LA 21.02026-05-01 · field out · FF · ground_ball · EV 71.8 / LA -19.02026-05-01 · single · FF · line_drive · EV 109.7 / LA 13.02026-05-02 · 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 · FF · popup · EV 85.6 / LA 76.02026-05-19 · field out · ST · popup · EV 74.9 / LA 88.02026-05-19 · double · SI · line_drive · EV 108.6 / LA 20.02026-05-20 · field out · FF · fly_ball · EV 102.8 / LA 56.02026-05-20 · field out · SL · fly_ball · EV 88.5 / LA 46.02026-05-20 · single · SL · ground_ball · EV 108.1 / LA 6.02026-05-21 · single · CH · ground_ball · EV 97.9 / LA 8.02026-05-21 · field out · SL · fly_ball · EV 94.7 / LA 59.02026-05-21 · single · SI · ground_ball · EV 95.2 / LA -26.02026-05-22 · field out · SL · fly_ball · EV 97.9 / LA 42.02026-05-22 · 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 · ST · fly_ball · EV 98.7 / LA 58.02026-05-24 · 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 · FC · ground_ball · EV 75.8 / LA 8.02026-05-26 · single · FF · line_drive · EV 100.0 / LA 12.02026-05-26 · field out · SL · ground_ball · EV 68.0 / LA -16.02026-05-27 · field out · CH · line_drive · EV 100.7 / LA 20.02026-05-27 · field out · CH · ground_ball · EV 89.0 / LA -32.02026-05-31 · 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 · field out · FF · popup · EV 89.4 / LA 58.02026-06-05 · single · SL · ground_ball · EV 76.0 / LA 11.02026-06-05 · field out · FF · fly_ball · EV 90.3 / LA 35.02026-06-05 · single · FF · line_drive · EV 92.0 / LA 16.02026-06-07 · field out · FF · fly_ball · EV 89.5 / LA 51.02026-07-27 · grounded into double play · FF · ground_ball · EV 91.3 / LA -2.02026-07-27 · single · SI · line_drive · EV 107.8 / LA 13.02026-07-31 · fielders choice · ST · ground_ball · EV 88.3 / LA -14.02026-07-31 · field out · CH · ground_ball · EV 45.7 / LA -38.02026-07-31 · field out · FC · ground_ball · EV 71.5 / LA -15.02026-08-02 · field out · FF · ground_ball · EV 95.8 / LA 1.02026-08-02 · single · FF · ground_ball · EV 101.4 / LA -5.02026-08-04 · single · FF · line_drive · EV 99.9 / LA 12.02026-08-04 · field out · SL · line_drive · EV 79.7 / LA 29.02026-08-04 · field out · FF · line_drive · EV 102.6 / LA 22.02026-08-04 · field out · FF · ground_ball · EV 81.6 / LA 0.02026-08-05 · single · SI · line_drive · EV 72.6 / LA 23.02026-08-07 · single · FC · line_drive · EV 102.1 / LA 14.02026-08-07 · field out · ST · ground_ball · EV 81.8 / LA -8.02026-08-07 · field out · FF · ground_ball · EV 102.4 / LA -8.02026-08-07 · field out · FS · popup · EV 67.5 / LA 51.02026-08-07 · single · SL · ground_ball · EV 53.1 / LA -42.02026-08-08 · home run · FF · fly_ball · EV 109.0 / LA 23.02026-08-08 · field out · FF · line_drive · EV 96.6 / LA 17.02026-08-08 · field out · FF · popup · EV 76.8 / LA 80.02026-08-08 · field out · FF · line_drive · EV 91.1 / LA 23.02026-08-11 · field out · FF · fly_ball · EV 103.0 / LA 53.02026-08-11 · field out · FF · ground_ball · EV 81.8 / LA 0.02026-08-11 · field out · FC · ground_ball · EV 82.1 / LA 5.02026-08-11 · field out · SI · fly_ball · EV 92.2 / LA 35.02026-08-14 · field out · ST · ground_ball · EV 90.2 / LA 3.02026-08-15 · field out · SL · line_drive · EV 87.6 / LA 25.02026-08-15 · single · FC · ground_ball · EV 74.9 / LA 4.02026-08-15 · field out · FC · popup · EV 74.8 / LA 74.02026-08-15 · home run · CH · fly_ball · EV 105.4 / LA 30.02026-08-16 · double · SV · line_drive · EV 88.7 / LA 18.02026-08-17 · single · FF · line_drive · EV 85.9 / LA 15.02026-08-19 · field out · FF · ground_ball · EV 106.0 / LA -8.02026-08-19 · field out · FC · ground_ball · EV 69.2 / LA -51.02026-08-19 · single · FC · line_drive · EV 104.4 / LA 17.02026-08-21 · force out · SI · ground_ball · EV 109.0 / LA -11.02026-08-21 · field out · SL · ground_ball · EV 74.9 / LA -17.02026-08-21 · field out · SL · ground_ball · EV 82.5 / LA -45.02026-08-22 · field out · FF · fly_ball · EV 85.8 / LA 35.02026-08-23 · field out · SI · ground_ball · EV 115.2 / LA -46.02026-08-23 · field out · CH · line_drive · EV 92.0 / LA 20.02026-08-23 · single · CH · line_drive · EV 89.6 / LA 6.02026-08-26 · force out · FS · ground_ball · EV 102.8 / LA 1.02026-08-26 · field out · FF · ground_ball · EV 35.0 / LA 18.02026-08-26 · field out · FS · ground_ball · EV 80.5 / LA -12.02026-08-29 · field out · SI · line_drive · EV 105.4 / LA 17.02026-08-29 · single · FF · fly_ball · EV 97.9 / LA 26.02026-08-30 · single · SI · line_drive · EV 76.3 / LA 25.02026-08-30 · grounded into double play · SI · ground_ball · EV 73.9 / LA 0.02026-08-30 · single · SI · ground_ball · EV 93.8 / LA -16.02026-08-31 · single · SL · ground_ball · EV 73.7 / LA -27.02026-08-31 · force out · CH · ground_ball · EV 93.7 / LA -21.02026-08-31 · field out · CU · fly_ball · EV 95.2 / LA 46.0 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: 27%27%Whiff: 27%27%Zone contact: 79%79%Contact: 73%73%Hard hit: 46%46% 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--
wOBA Δ--
Sample382 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%