Players · P · Pitcher · 2025

Luis Peralta

Age: 24
B/T: L/L
Height: 5' 11"
Weight: 203 lb

Born: January 6, 2001 in Moca, Dominican Republic
MLB debut: August 24, 2024

dbWAR: -.5
IP: 19.0
ERA: 9.47
FIP: 8.71
K/9: 7.6
FIP−: 210

Luis Peralta was a relief pitcher for the Colorado Rockies. In 2025 he struck out 16 batters over 19.0 innings across 22 appearances, going 1-3. His ERA of 9.47 was 127.8% higher than the league average of 4.16. Stripping out defence, his 8.71 FIP suggests he pitched better than his ERA shows. He missed bats on 20.8% of swings (8.7% of every pitch he threw), walked 17.8% of the batters he faced and struck out 15.8%. His -0.8 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, 2025.

FIP8.71

K/97.6

WHIP2.32

WAR-.8

WAR by season

Pitching

Standard and advanced, by season.

																				Trend
2025	COL	22	0	19.0	1	3	0	26	20	16	18	9.47	8.71	2.32	7.6	8.5	228	210	-0.8
2024	COL	15	0	12.1	0	0	0	7	1	14	5	0.73	2.60	0.97	10.2	3.6	18	64	0.3

Platoon splits

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

Season

Opponent batting by the side the hitter bats from, 2025. 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	46	37	13	2	8	5	.351	.478	.541	.449	10.9%
vs RHB	55	43	13	4	10	11	.302	.436	.628	.449	20.0%

Pitch sequencing

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

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Four-seamCurveballChangeup

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

Pitch arsenal

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

Season


Four-Seam Fastball	70.6%	308	94.6	2,232	46.8%	15.8%	65	.323	1.095
Curveball	27.1%	118	81.6	2,318	33.1%	42.9%	14	—	—
Changeup	2.3%	10	86.7	1,719	20.0%	0.0%	2	—	—

Luis Peralta'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.

Head to head

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Luis Peralta

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.