Players · C · Pitcher · 2018

William Cuevas

Age: 28
B/T: S/R
Height: 6' 2"
Weight: 215 lb

Born: October 14, 1990 in Caracas, Venezuela
MLB debut: April 21, 2016

dbWAR: -.2
IP: 17.0
ERA: 7.41
FIP: 5.75
K/9: 10.6
FIP−: 139

William Cuevas was a relief pitcher for the Boston Red Sox. In 2018 he struck out 20 batters over 17.0 innings across 9 appearances, going 0-2. His ERA of 7.41 was 78.6% higher than the league average of 4.15. Stripping out defence, his 5.75 FIP suggests he pitched better than his ERA shows. He missed bats on 31.9% of swings (15.0% of every pitch he threw), walked 13.1% of the batters he faced and struck out 23.8%. His -0.2 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, 2018.

FIP5.75

K/910.6

WHIP1.82

WAR-.2

WAR by season

Pitching

Standard and advanced, by season.


2018	BOS	9	1	17.0	2	20	14	20	11	7.41	5.75	1.82	10.6	5.8	179	139	-0.2
2017	DET	1	0	0.1	0	3	4	1	0	108.00	6.16	9.00	27.0	0.0	2,478	141	-0.0
2016	BOS	3	0	5.0	1	5	2	3	6	3.60	5.55	2.20	5.4	10.8	86	132	-0.0

Platoon splits

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

Season

Opponent batting by the side the hitter bats from, 2018. 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	37	30	8	3	4	7	.267	.405	.667	.451	18.9%
vs RHB	46	38	12	0	6	13	.316	.422	.395	.371	28.3%

Pitch sequencing

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

ShowBatter

Four-seamSliderChangeupCurveballSinker

Select a count to see exactly what William Cuevas throws in it.

Pitch arsenal

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

Season


Four-Seam Fastball	29.5%	102	90.8	2,505	45.1%	23.1%	21	.286	.924
Slider	28.0%	97	85.2	2,418	60.8%	37.0%	17	.294	.890
Changeup	19.9%	69	82.7	2,143	39.1%	34.5%	15	.267	1.086
Curveball	15.0%	52	79.4	2,424	38.5%	38.9%	10	—	—
Sinker	7.5%	26	90.1	2,479	46.2%	30.0%	5	—	—

William Cuevas'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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William Cuevas

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.