Players · P · Pitcher · 2026 regular season

Luis Perales

Washington Nationals National League East

Age: 23
B/T: R/R
Height: 6' 0"
Weight: 160 lb
Number: #43

Born: April 14, 2003 in Guacara, Venezuela
MLB debut: August 26, 2026

dbWAR: -.7
IP: 11.0
ERA: 11.45
FIP: 10.19
K/9: 10.6
FIP−: 244

Luis Perales is a relief pitcher for the Washington Nationals. In 2026 he struck out 13 batters over 11.0 innings across 6 appearances, going 0-0. His ERA of 11.45 was 174.0% higher than the league average of 4.18. Stripping out defence, his 10.19 FIP suggests he pitched better than his ERA shows. He missed bats on 33.6% of swings (16.8% of every pitch he threw), walked 21.7% of the batters he faced and struck out 21.7%. His -0.7 dbWAR is built from that FIP rather than runs allowed, so it credits him for what he controls and not for the defence behind him.

League context

Percentile among qualified pitchers, 2026 regular season.

FIP10.19

K/910.6

WHIP2.55

WAR-.7

Pitching Regular season

Standard and advanced, by season. Regular-season games only.

																				Trend
2026	WSH	6	0	11.0	0	0	0	15	14	13	13	11.45	10.19	2.55	10.6	10.6	274	244	-0.7	—

Platoon splits

How left- and right-handed hitters fare against him.

Opponent batting by the side the hitter bats from, 2026. Counted from play-by-play, so totals can differ from the box-score season line by a plate appearance or two.
Split	PA	AB	H	HR	BB	SO	AVG	OBP	SLG	wOBA	K%
vs LHB	23	18	6	2	5	7	.333	.478	.667	.489	30.4%
vs RHB	37	29	9	3	8	6	.310	.459	.690	.485	16.2%

Pitch sequencing

What Luis Perales throws in each count, and what he follows each pitch with. Select any cell for the breakdown.

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SplitterCutterFour-seamSlider

Select a count to see exactly what Luis Perales throws in it.

Pitch arsenal

What he throws, how hard, how often it misses, and what hitters do with it.


Splitter	32.4%	81	87.6	1,341	50.6%	48.9%	16	.063	.313
Cutter	32.0%	80	93.3	2,338	45.0%	22.9%	16	.375	1.313
Four-Seam Fastball	22.4%	56	99.1	2,263	44.6%	20.0%	13	—	—
Slider	13.2%	33	87.7	2,236	51.5%	38.5%	2	—	—

Luis Perales's arsenal by usage. Velocity is average release speed in mph, spin in rpm, and whiff rate is misses per swing — the cleanest single measure of whether a pitch beats hitters. BAA and OPS are what hitters did against each pitch, credited to the one that ended the plate appearance, and are left blank under 15 at-bats.

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Luis Perales

How these are computed

wOBA uses linear weights measured from this season's own play-by-play rather than published constants, and wRC+ is park-adjusted against that same league. dbWAR is our own open implementation — not fWAR or bWAR — and the full derivation, including its simplifications, is on the methodology page.