Mithrandir Metrics
Hitter projection 2026 Refreshed Jun 1 06:00 AM ET
Hitter projection / LAA · 2026

Rivero, Sebastián

Everyday offensive profile with usable floor

Primary
0.266 xwOBA
Range
0.091 to 0.291
Live Δ
yes
Team LAA Archetype Balanced regular Age 28 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 preseason0.251
xwOBA current pace0.207
xwOBA rolling p500.242
Observed weight22%
xwOBA
0.162 0.200 0.242 0.284 0.321
wOBA
0.211 0.247 0.286 0.325 0.360
ISO
0.002 0.037 0.075 0.113 0.147
K%
15.4% 20.1% 25.3% 30.5% 35.2%
Current percentile strip

Actual percentile with projection tick

100th = best in MLB.

2026-06-01
Hitting · percentile strip
BB%6.6%
25
Barrel%1.6%
9 -16 vs proj
Bat speed69.0
40
Exit velocity82.7
6
Hard-hit%21.4%
4
K%21.3%
54 +23 vs proj
xBA0.243
4
xSLG0.288
1
xwOBA0.207
2
Defense · percentile strip
Blocking Runs0.5 · C
74
Catcher Throwing-0.4 · C
26
Framing Runs1.0 · C
64
Pop Time1.9 · C
57
Baserunning · percentile strip
Sprint Speed25.6 · C
13
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.

2026-06-01
Avoids Bad ChasesST 50.0% · rebadged research
4
Avoids Bad TakesHPT 23.0% · rebadged research
72
Correct Decisions61.6% · rebadged research
13
Resists Breaking - horizontalwOBA 0.278 · borderline
69
Resists Breaking - verticalwOBA 0.274 · insufficient sample
61
Resists ChangeupwOBA 0.272 · validated thin sample
63
Resists Cutters + splitterswOBA 0.332 · insufficient sample
50
Resists FastballwOBA 0.323 · validated
81
Resists SinkerwOBA 0.347 · validated
74
SEAGER+ Plate Discipline90
10
Rolling form chart

xwOBA snapshot line

Live snapshot series; true 50/100 PA windows require PA-level logs

7 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 0.313 2026-05-25: 0.2182026-05-26: 0.2182026-05-28: 0.2182026-05-29: 0.2182026-05-30: 0.1992026-05-31: 0.1992026-06-01: 0.207 2026-05-25 2026-06-01 xwOBA MITHRANDIR · CHARTS
Spray profile

Field-coordinate spray profile

37 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: 8% of plotted batted ballsPull 8%Center field third: 84% of plotted batted ballsCenter 84%Right field third: 8% of plotted batted ballsOppo 8% 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 · ground_ball · EV 92.2 / LA -5.02026-05-05 · field out · FF · popup · EV 83.2 / LA 66.02026-05-05 · field out · FC · popup · EV 87.6 / LA 62.02026-05-06 · field out · FF · ground_ball · EV 86.2 / LA -10.02026-05-06 · field out · FF · ground_ball · EV 93.4 / LA 8.02026-05-08 · field out · SL · ground_ball · EV 50.8 / LA -49.02026-05-08 · field out · ST · popup · EV 71.8 / LA 47.02026-05-09 · grounded into double play · FF · ground_ball · EV 71.2 / LA -35.02026-05-09 · field out · CU · ground_ball · EV 102.7 / LA 3.02026-05-10 · field out · SI · popup · EV 77.0 / LA 60.02026-05-10 · field out · CH · ground_ball · EV 106.3 / LA 7.02026-05-10 · field out · CH · fly_ball · EV 75.1 / LA 48.02026-05-10 · field out · FF · fly_ball · EV 91.0 / LA 53.02026-05-11 · fielders choice · CU · ground_ball · EV 81.1 / LA -11.02026-05-11 · field out · FF · popup · EV 81.7 / LA 63.02026-05-13 · 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 · SL · ground_ball · EV 80.6 / LA 3.02026-05-24 · field out · FF · line_drive · EV 70.0 / LA 19.0 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.

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: 43%43%Chase: 41%41%Whiff: 21%21%Zone contact: 88%88%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-0.059
wOBA Δ+0.020
Sample61 PA
Projection table

Point projection and range

MetricPointRangeHalf-width
Plate Appearances217----
Home Runs6----
Stolen Bases0----
xwOBA0.2660.091 to 0.291+/- 0.100
ISO0.1090.014 to 0.199+/- 0.092
Barrel%3.3%0.3% to 5.3%+/- 2.5%
Hard-Hit%29.7%11.9% 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%
BABIP0.2820.156 to 0.342+/- 0.093
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%