Mithrandir Metrics
Hitter projection 2026 Refreshed Jun 15 06:00 AM ET
Hitter projection / LAA · 2026

Rivero, Sebastián

Everyday offensive profile with usable floor

Primary
0.266 xwOBA
Range
0.091 to 0.293
Live Δ
yes
Team LAA Archetype Balanced regular Age 28 Status IL-10
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.

2026-06-15
16
Offense
percentile
Offense9 metrics
23
Defense4 metrics
62
Speed1 metrics
11
Plate skills10 metrics
41
Rolling projection

Preseason / current pace / Bayesian update

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

2026-06-15
xwOBA preseason0.251
xwOBA current pace0.267
xwOBA rolling p500.255
Observed weight25%
xwOBA
0.177 0.214 0.255 0.296 0.333
wOBA
0.276 0.310 0.348 0.386 0.420
ISO
0.009 0.042 0.079 0.116 0.149
K%
15.2% 19.7% 24.7% 29.7% 34.2%
Current percentile strip

Actual percentile with projection tick

100th = best in MLB.

2026-06-15
Hitting · percentile strip
Barrel%1.4%
7 -18 vs proj
Exit velocity82.6
6
Hard-hit%21.2%
3
xBA0.331
58
xSLG0.386
10
xwOBA0.267
14
BB%5.6%
15
Bat speed68.1
28
K%19.4%
66 +36 vs proj
Defense · percentile strip
Blocking Runs0.9 · C
89
Catcher Throwing-0.5 · C
35
Framing Runs1.3 · C
69
Pop Time1.9 · C
55
Baserunning · percentile strip
Sprint Speed25.5 · C
11
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.

2026-06-15
Avoids Bad ChasesST 49.0% · rebadged research
4
Avoids Bad TakesHPT 24.6% · rebadged research
56
Correct Decisions61.0% · rebadged research
11
Resists Breaking - horizontalwOBA 0.290 · borderline
38
Resists Breaking - verticalwOBA 0.276 · insufficient sample
60
Resists ChangeupwOBA 0.273 · validated thin sample
63
Resists Cutters + splitterswOBA 0.332 · insufficient sample
49
Resists FastballwOBA 0.336 · validated
57
Resists SinkerwOBA 0.355 · validated
62
SEAGER+ Plate Discipline86
7
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 Rivero, Sebastián · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.312 0.267 2026-06-04: 0.2182026-06-05: 0.2182026-06-06: 0.2182026-06-07: 0.2182026-06-08: 0.2632026-06-09: 0.2632026-06-10: 0.2632026-06-11: 0.2672026-06-12: 0.2672026-06-13: 0.2672026-06-14: 0.2672026-06-15: 0.267 2026-06-04 2026-06-15 xwOBA MITHRANDIR · CHARTS
Spray profile

Field-coordinate spray profile

42 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 Rivero, Sebastián · Statcast batted-ball landing coordinates Left field third: 7% of plotted batted ballsPull 7%Center field third: 86% of plotted batted ballsCenter 86%Right field third: 7% of plotted batted ballsOppo 7% LF 347 CF 396 RF 350 2026-03-15 · field out · FF · line_drive · EV 97.3 / LA 14.02026-03-15 · field out · SL · ground_ball · EV 62.8 / LA -7.02026-03-18 · single · FF · line_drive · EV 78.3 / LA 17.02026-03-19 · field out · pitch · line_drive · EV 84.6 / LA 22.02026-03-19 · field out · pitch · line_drive · EV 102.3 / LA 15.02026-03-20 · field out · FF · popup · EV 74.9 / LA 59.02026-03-20 · single · SI · ground_ball · EV 97.2 / LA 0.02026-03-22 · field out · FF · line_drive · EV 103.8 / LA 14.02026-03-24 · field out · SL · fly_ball · EV 100.0 / LA 25.02026-03-24 · field out · SL · line_drive · EV 94.1 / LA 22.02026-04-28 · field out · SL · ground_ball · EV 94.2 / LA -2.02026-04-28 · single · FF · line_drive · EV 80.8 / LA 17.02026-04-28 · single · FC · ground_ball · EV 90.4 / LA 4.02026-04-28 · field out · SI · popup · EV 68.7 / LA 55.02026-05-03 · single · ST · line_drive · EV 80.5 / LA 21.02026-05-05 · field out · FC · popup · EV 87.6 / LA 62.02026-05-05 · field out · FC · ground_ball · EV 92.2 / LA -5.02026-05-05 · field out · FF · popup · EV 83.2 / LA 66.02026-05-06 · field out · FF · ground_ball · EV 93.4 / LA 8.02026-05-06 · field out · FF · ground_ball · EV 86.2 / LA -10.02026-05-08 · field out · ST · popup · EV 71.8 / LA 47.02026-05-08 · field out · SL · ground_ball · EV 50.8 / LA -49.02026-05-09 · field out · CU · ground_ball · EV 102.7 / LA 3.02026-05-09 · grounded into double play · FF · ground_ball · EV 71.2 / LA -35.02026-05-10 · field out · FF · fly_ball · EV 91.0 / LA 53.02026-05-10 · field out · CH · fly_ball · EV 75.1 / LA 48.02026-05-10 · field out · CH · ground_ball · EV 106.3 / LA 7.02026-05-10 · field out · SI · popup · EV 77.0 / LA 60.02026-05-11 · field out · FF · popup · EV 81.7 / LA 63.02026-05-11 · fielders choice · CU · ground_ball · EV 81.1 / LA -11.02026-05-13 · single · FC · ground_ball · EV 93.0 / LA -13.02026-05-13 · sac bunt · SI · ground_ball · EV 37.1 / LA -70.02026-05-23 · field out · FS · fly_ball · EV 90.1 / LA 60.02026-05-23 · field out · CU · fly_ball · EV 70.0 / LA 47.02026-05-23 · fielders choice out · SI · ground_ball · EV 97.3 / LA -14.02026-05-24 · field out · FF · line_drive · EV 70.0 / LA 19.02026-05-24 · field out · SL · ground_ball · EV 80.6 / LA 3.02026-06-07 · double · FF · line_drive · EV 102.7 / LA 16.02026-06-07 · single · SL · line_drive · EV 83.7 / LA 16.02026-06-07 · single · SI · fly_ball · EV 72.9 / LA 25.02026-06-07 · single · ST · line_drive · EV 56.2 / LA 26.02026-06-07 · single · FF · line_drive · EV 71.7 / LA 20.0 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

No bat-tracking aggregate is available for this hitter. The full swing, with the recommended path overlaid, lives in the 3D Swing Simulator.

Watch the swing in 3D →

No bat tracking

No Savant bat-tracking aggregate is available for this hitter.

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 Rivero, Sebastián · Aggregate zone metrics; not pitch-by-pitch locations Zone: 44%44%Chase: 41%41%Whiff: 21%21%Zone contact: 89%89%Contact: 79%79%Hard hit: 21%21% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Model read

Projection notes

1
templated note
Home park adds a small power tailwind to the HR projection.
Live context

Current-season signal

xwOBA Δ+0.002
wOBA Δ+0.083
Sample72 PA
Projection table

Point projection and range

MetricPointRangeHalf-width
Plate Appearances217----
Home Runs6----
Stolen Bases0----
xwOBA0.2660.091 to 0.293+/- 0.101
ISO0.1090.014 to 0.199+/- 0.092
Barrel%3.3%0.3% to 5.3%+/- 2.5%
Hard-Hit%29.7%12.0% to 37.4%+/- 12.7%
K%25.7%11.6% to 36.6%+/- 12.5%
BB%5.5%0.9% to 8.6%+/- 3.8%
BABIP0.2820.157 to 0.342+/- 0.092
Platoon / Shape
vs LHP

27 career PA

xwOBA0.027
K%4.2%
BB%0.5%
Barrel0.7%
vs RHP

95 career PA

xwOBA0.025
K%4.7%
BB%0.4%
Barrel0.7%