most home runs allowed by a relief pitcher in a season

John Wyatt has allowed the most home runs by a relief pitcher in a season, with 23 HR in 1964.

	NAME	HR	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	John Wyatt J. Wyatt	23	1964	KCA	81	9	8	.529	0	3.59	74	0	0	20	128.0	111	51	53	53	1	57	5	540	4	5.20	3.73	1.40	1.62	13.7	9.8	1.28	.226	3.73	7.80
2	Bill Henry B. Henry	19	1959	CHC	65	9	8	.529	0	2.68	115	0	0	12	134.1	111	40	42	26	1	36	3	526	3	7.70	1.74	4.42	1.27	21.9	4.9	1.02	.252	2.81	7.44
3	Tommy Milone T. Milone	18	2019	SEA	17	3	7	.300	0	4.80	60	0	0	0	80.2	72	43	44	15	2	0	1	324	1	6.69	1.67	4.00	2.01	18.5	4.6	1.08	.236	4.91	8.03
4	Sam Gaviglio S. Gaviglio	18	2019	TOR	52	4	2	.667	0	4.61	88	0	0	0	95.2	85	49	51	22	4	9	0	392	0	8.28	2.07	4.00	1.69	22.4	5.6	1.12	.258	4.80	8.00
5	Gabe White G. White	18	2001	COL	69	1	7	.125	0	6.25	47	0	0	0	67.2	70	47	47	26	1	16	5	290	1	6.25	3.46	1.81	2.39	16.2	9.0	1.42	.263	6.25	9.31
6	Steve Ridzik S. Ridzik	18	1965	WSH	63	6	4	.600	0	4.02	72	0	0	8	109.2	108	49	61	43	7	25	4	480	3	5.91	3.53	1.67	1.48	15.0	9.0	1.38	.265	5.01	8.86
7	Mike Fornieles M. Fornieles	18	1961	BOS	55	8	7	.533	0	4.71	65	0	0	15	105.0	102	55	58	50	2	42	7	462	4	5.57	4.29	1.30	1.54	14.1	10.8	1.45	.257	4.97	8.74
8	Enyel De Los Santos E. De Los Santos	17	2024	TOT	64	1	2	.333	0	5.20	66	0	0	2	64.0	65	37	38	25	5	20	1	278	2	9.28	3.52	2.64	2.39	23.7	9.0	1.41	.291	5.34	9.14
9	Brett Oberholtzer B. Oberholtzer	17	2016	TOT	35	3	2	.600	0	5.43	49	0	0	1	66.1	79	40	41	24	1	14	1	299	1	6.65	3.26	2.04	2.31	16.4	8.0	1.55	.298	5.56	10.72
10	Carlos Villanueva C. Villanueva	17	2016	SDP	51	2	2	.500	0	5.96	61	0	0	1	74.0	89	49	50	14	3	11	4	321	2	7.42	1.70	4.36	2.07	19.0	4.4	1.39	.319	6.08	10.82
11	Doug Jones D. Jones	17	1998	TOT	69	4	6	.400	0	4.54	71	0	0	13	85.1	99	43	44	17	4	42	4	372	0	7.49	1.79	4.18	1.79	19.1	4.6	1.36	.312	4.64	10.44
12	Doug Bochtler D. Bochtler	17	1998	DET	51	0	2	.000	0	6.15	45	0	0	0	67.1	73	46	48	42	3	11	6	312	6	6.01	5.61	1.07	2.27	14.4	13.5	1.71	.273	6.42	9.76
13	Joe Boever J. Boever	17	1995	DET	60	5	7	.417	0	6.39	71	0	0	3	98.2	128	70	74	44	3	27	12	463	1	6.48	4.01	1.61	1.55	15.3	9.5	1.74	.338	6.75	11.68
14	Keith Atherton K. Atherton	17	1985	OAK	56	4	7	.364	0	4.30	77	0	0	3	104.2	89	50	51	42	0	21	9	435	2	6.62	3.61	1.83	1.46	17.7	9.7	1.25	.241	4.39	7.65
15	Oscar Zamora O. Zamora	17	1975	CHC	52	5	2	.714	0	5.07	28	0	0	10	71.0	84	40	42	15	0	31	5	307	1	3.55	1.90	1.87	2.15	9.1	4.9	1.39	.271	5.32	10.65
16	Don Elston D. Elston	17	1960	CHC	60	8	9	.471	0	3.38	86	0	0	10	128.0	108	48	57	55	4	33	8	548	1	6.05	3.87	1.56	1.20	15.7	10.0	1.27	.236	4.01	7.59
17	Jackson Rutledge J. Rutledge	16	2025	WSH	63	4	2	.667	0	5.77	65	0	0	0	73.1	87	47	49	24	7	17	0	330	6	7.98	2.95	2.71	1.96	19.7	7.3	1.51	.326	6.01	10.68
18	Emilio Pagán E. Pagán	16	2021	SDP	67	4	3	.571	0	4.83	69	0	0	0	63.1	56	34	35	18	2	10	0	263	0	9.81	2.56	3.83	2.27	26.2	6.8	1.17	.253	4.97	7.96
19	Wade LeBlanc W. LeBlanc	16	2019	SEA	18	4	3	.571	0	4.57	62	0	0	0	84.2	86	43	44	22	1	4	1	354	0	6.59	2.34	2.82	1.70	17.5	6.2	1.28	.277	4.68	9.14
20	Nestor Cortes N. Cortes	16	2019	NYY	32	5	1	.833	0	5.60	67	0	0	0	64.1	69	40	40	27	1	7	1	285	1	9.37	3.78	2.48	2.24	23.5	9.5	1.49	.305	5.60	9.65
21	Chris Beck C. Beck	16	2017	CWS	57	2	1	.667	0	6.40	42	0	0	0	64.2	73	46	48	34	4	12	3	294	1	5.85	4.73	1.24	2.23	14.3	11.6	1.65	.288	6.68	10.16
22	Chad Gaudin C. Gaudin	16	2010	TOT	42	1	4	.200	0	5.65	53	0	0	0	65.1	73	41	45	25	8	23	0	295	3	7.30	3.44	2.12	2.20	18.0	8.5	1.50	.295	6.20	10.06
23	Ambiorix Burgos A. Burgos	16	2006	KCR	67	4	5	.444	0	5.60	70	0	0	18	70.2	77	44	45	36	6	41	4	320	9	8.92	4.58	1.94	2.04	21.9	11.3	1.60	.318	5.73	9.81
24	Luis Vizcaino L. Vizcaino	16	2003	MIL	75	4	3	.571	0	6.39	61	0	0	0	62.0	64	44	45	25	1	21	3	272	3	8.85	3.63	2.44	2.32	22.4	9.2	1.44	.284	6.53	9.29
25	Jose Bautista J. Bautista	16	1995	SFG	46	2	5	.286	0	6.96	33	0	0	0	64.2	84	50	51	17	2	19	2	295	0	4.59	2.37	1.94	2.23	11.2	5.8	1.56	.300	7.10	11.69