who leads the mlb in relief pitcher wins as a rookie

Hoyt Wilhelm has won the most games by a rookie relief pitcher, with 15 wins in 1952.

Interpreted as:

Who leads the MLB in relief pitcher regular-season wins as a rookie?

	NAME	W	SEASON	TM	L	W%	G	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Hoyt Wilhelm H. Wilhelm	15	1952	NYG	3	.833	71	0	2.43	107	0	0	11	159.1	127	43	60	12	56	5	32		646	3	6.04	3.16	1.91	0.68	16.6	8.7	1.15	.247	3.39	7.17
2	Ryan Yarbrough R. Yarbrough	14	2018	TBR	4	.778	32	0	3.72	106	0	0	0	118.2	110	49	52	15	42	6	3	5	505	0	8.04	3.19	2.52	1.14	21.0	8.3	1.28	.283	3.94	8.34
3	Mark Eichhorn M. Eichhorn	14	1986	TOR	6	.700	69	0	1.72	166	0	0	10	157.0	105	30	32	8	45	7	38	14	612	2	9.52	2.58	3.69	0.46	27.1	7.4	0.96	.251	1.83	6.02
4	Ron Davis R. Davis	14	1979	NYY	2	.875	44	0	2.85	43	0	0	9	85.1	84	27	29	5	28	1	21	9	357	1	4.54	2.95	1.54	0.53	12.0	7.8	1.31	.282	3.06	8.86
5	Joe Black J. Black	14	1952	BKN	3	.824	54	0	2.03	80	0	0	15	128.1	94	29	33	7	36	1	41		509	0	5.61	2.52	2.22	0.49	15.7	7.1	1.01	.226	2.31	6.59
6	Wilcy Moore W. Moore	13	1927	NYY	3	.813	38	0	1.96	48	0	0	13	119.2	89	26	33	1	42	0	30		479	2	3.61	3.16	1.14	0.08	10.0	8.8	1.09	.227	2.48	6.69
7	Jesse Crain J. Crain	12	2005	MIN	5	.706	75	0	2.71	25	0	0	1	79.2	61	24	28	6	29	5	17	7	326	2	2.82	3.28	0.86	0.68	7.7	8.9	1.13	.211	3.16	6.89
8	Scott Williamson S. Williamson	12	1999	CIN	7	.632	62	0	2.41	107	0	0	19	93.1	54	25	29	8	43	1	40	6	366	13	10.32	4.15	2.49	0.77	29.2	11.7	1.04	.222	2.80	5.21
9	Jeff Musselman J. Musselman	12	1987	TOR	5	.706	67	0	4.27	53	0	0	3	84.1	72	40	42	7	53	3	14	12	363	5	5.66	5.66	1.00	0.75	14.6	14.6	1.48	.263	4.48	7.68
10	Matt Herges M. Herges	11	2000	LAD	0	1.000	55	0	2.57	64	0	0	1	87.2	76	25	28	6	28	4	17	4	359	3	6.57	2.87	2.29	0.62	17.8	7.8	1.19	.272	2.87	7.80
11	Bill Sampen B. Sampen	11	1990	MON	6	.647	55	0	2.59	56	0	0	2	76.1	74	22	24	5	30	2	26	6	331	4	6.60	3.54	1.87	0.59	16.9	9.1	1.36	.290	2.83	8.72
12	Mike Henneman M. Henneman	11	1987	DET	3	.786	55	0	2.98	75	0	0	7	96.2	86	32	36	8	30	3	28	5	399	7	6.98	2.79	2.50	0.74	18.8	7.5	1.20	.276	3.35	8.01
13	Charlie Kerfeld C. Kerfeld	11	1986	HOU	2	.846	61	0	2.59	77	0	0	7	93.2	71	27	32	5	42	2	29	3	390	7	7.40	4.04	1.83	0.48	19.7	10.8	1.21	.250	3.07	6.82
14	Mark Clear M. Clear	11	1979	CAL	5	.688	52	0	3.63	98	0	0	14	109.0	87	44	48	6	68	3	37	5	481	9	8.09	5.61	1.44	0.50	20.4	14.1	1.42	.265	3.96	7.18
15	Butch Metzger B. Metzger	11	1976	SDP	4	.733	77	0	2.92	89	0	0	16	123.1	119	40	44	5	52	3	62	14	528	0	6.49	3.79	1.71	0.36	16.9	9.8	1.39	.301	3.21	8.68
16	Frank Funk F. Funk	11	1961	CLE	11	.500	56	0	3.31	64	0	0	11	92.1	79	34	35	9	31	4	43	6	383	3	6.24	3.02	2.06	0.88	16.7	8.1	1.19	.255	3.41	7.70
17	Dave Jolly D. Jolly	11	1954	MIL	6	.647	46	0	2.58	60	0	0	10	101.1	83	29	35	6	58	2	31		443	2	5.33	5.15	1.03	0.53	13.5	13.1	1.39	.243	3.11	7.37
18	Eddie Yuhas E. Yuhas	11	1952	SLN	1	.917	52	0	2.06	37	0	0	6	91.2	75	21	27	4	32	2	30		374	4	3.63	3.14	1.16	0.39	9.9	8.6	1.17	.237	2.65	7.36
19	Mike Baumann M. Baumann	10	2023	BAL	1	.909	60	0	3.76	61	0	0	0	64.2	52	27	29	7	33	2	15	2	273	7	8.49	4.59	1.85	0.97	22.3	12.1	1.31	.265	4.04	7.24
20	Alfredo Aceves A. Aceves	10	2009	NYY	1	.909	42	0	3.35	67	0	0	1	80.2	65	30	32	9	15	4	10	2	320	0	7.48	1.67	4.47	1.00	20.9	4.7	0.99	.249	3.57	7.25
21	Jose Arredondo J. Arredondo	10	2008	LAA	2	.833	52	0	1.62	55	0	0	0	61.0	42	11	15	3	22	1	10	0	244	1	8.11	3.25	2.50	0.44	22.5	9.0	1.05	.239	2.21	6.20
22	Luis Ayala L. Ayala	10	2003	MON	3	.769	65	0	2.92	46	0	0	5	71.0	65	23	27	8	13	5	24	3	288	1	5.83	1.65	3.54	1.01	16.0	4.5	1.10	.264	3.42	8.24
23	Oscar Villarreal O. Villarreal	10	2003	ARI	7	.588	85	0	2.46	78	0	0	0	95.0	76	26	38	6	43	3	14	10	406	2	7.39	4.07	1.81	0.57	19.2	10.6	1.25	.254	3.60	7.20
24	Danny Patterson D. Patterson	10	1997	TEX	6	.625	54	0	3.42	69	0	0	1	71.0	70	27	29	3	23	0	17	4	296	7	8.75	2.92	3.00	0.38	23.3	7.8	1.31	.333	3.68	8.87
25	Julian Tavarez J. Tavarez	10	1995	CLE	2	.833	57	0	2.44	68	0	0	0	85.0	76	23	36	7	21	3	15	0	350	3	7.20	2.22	3.24	0.74	19.4	6.0	1.14	.275	3.81	8.05

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StatMuse has game-level data for pitcher wins going back to the 1901 season.

Some of the information used here was obtained free of charge from Retrosheet.

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TEAM	W	L	PCT	GB
Dodgers	90	57	.612
Padres	79	68	.537	11.0
Diamondbacks	79	69	.534	11.5
Giants	62	86	.419	28.5
Rockies	55	92	.374	35.0

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DATE	MATCHUP			TIME (ET)
Sat 9/12	SDP	@	SFG	4:05 PM
Sun 9/13	SDP	@	SFG	7:20 PM
Mon 9/14	SFG	@	STL	7:45 PM
Tue 9/15	SFG	@	STL	7:45 PM
Wed 9/16	SFG	@	STL	1:15 PM

Last Game

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Final

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Fri 11 Sep 2026

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Hit Leaders

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Crow-Armstrong

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OBP Leaders

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Bauers

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Wood

SLG Leaders

.590

Alvarez

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Crow-Armstrong

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SB Leaders

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Nuñez

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Simpson

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MLB 2026 Pitching Leaders

Win Leaders

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Sánchez

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Gray

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Strikeout Leaders

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Misiorowski

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Williams

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Cease

ERA Leaders

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WHIP Leaders

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K/9 Leaders

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K/BB Leaders

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Mets	68	79	.463	18.5
Nationals	68	81	.456	19.5
NL Central	W	L	PCT	GB
Brewers - x	92	56	.622
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Pirates	74	74	.500	18.0
Cardinals	73	75	.493	19.0
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Dodgers	90	57	.612
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Giants	62	86	.419	28.5
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AL East	W	L	PCT	GB
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Yankees	85	62	.578	3.0
Red Sox	80	68	.541	8.5
Blue Jays	73	75	.493	15.5
Orioles	72	76	.486	16.5
AL Central	W	L	PCT	GB
White Sox	75	72	.510
Guardians	75	73	.507	0.5
Twins	69	78	.469	6.0
Tigers	68	79	.463	7.0
Royals	66	82	.446	9.5
AL West	W	L	PCT	GB
Astros	75	73	.507
Rangers	72	76	.486	3.0
Mariners	69	79	.466	6.0
Athletics	60	88	.405	15.0
Angels	56	91	.381	18.5

MLB 2026 Scores & Schedule

Scores

DATE	MATCHUP			SCORE
Fri 8/28	CIN	@	CHC	10-8
Fri 8/28	MIA	@	WSH	2-9
Fri 8/28	SDP	@	TBR	4-9
Fri 8/28	SEA	@	TOR	1-8
Fri 8/28	BOS	@	NYY	0-1

Schedule

DATE	MATCHUP			TIME (ET)
Sat 9/12	COL	@	DET	1:10 PM
Sat 9/12	NYM	@	NYY	1:35 PM
Sat 9/12	PIT	@	CHC	2:20 PM
Sat 9/12	BAL	@	TOR	3:07 PM
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Hoyt Wilhelm has won the most games by a rookie relief pitcher, with 15 wins in 1952.

Interpreted as:

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