Victor Diaz has hit the most homers with exactly 1 base on balls in a season, with 9 homers in 2007.

Interpreted as:

most hr by a player with bb=1 season

	NAME	HR	BB	SEASON	TM	G	AB	R	H	2B	3B	RBI	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Victor Diaz V. Diaz	9	1	2007	TEX	37	104	13	25	4	0	25	2	33	0	0	108	56	13	0	1	0	4	.240	.259	.538	.798	14	0.2	.333	97	-0.4
2	Andy Kosco A. Kosco	8	1	1970	LAD	74	224	21	51	12	0	27	0	40	1	1	228	87	20	2	1	0	7	.228	.230	.388	.618	17	-8.4	.272	67	-9.4
3	Francisco Arcia F. Arcia	6	1	2018	LAA	40	103	10	21	5	0	23	2	27	1	0	106	44	11	0	0	0	4	.204	.226	.427	.654	9	-3.3	.277	73	-3.4
4	J.P. Arencibia	6	1	2015	TBR	24	71	9	22	3	0	17	0	22	0	0	73	43	9	0	1	0	1	.310	.315	.606	.921	13	4.3	.388	151	4.3
5	Carlos Zambrano C. Zambrano	6	1	2006	CHC	35	73	9	11	0	0	11	0	27	1	0	80	29	6	5	1	0	2	.151	.160	.397	.557	3	-7.2	.226	23	-8
6	Greg Pirkl G. Pirkl	6	1	1994	SEA	19	53	7	14	3	0	11	1	12	0	0	56	35	9	0	1	1	1	.264	.286	.660	.946	9	2.2	.381	126	1.9
7	Sonny Siebert S. Siebert	6	1	1971	BOS	32	79	10	21	3	0	15	2	20	0	0	90	42	9	7	1	0	2	.266	.289	.532	.821	13	3.7	.367	125	2.5
8	Franklin Barreto F. Barreto	5	1	2018	OAK	32	73	10	17	4	0	16	1	29	0	0	75	36	9	0	0	0	3	.233	.253	.493	.746	9	0	.315	102	0.1
9	Jeff Baker J. Baker	5	1	2006	COL	18	57	13	21	7	2	21	0	14	2	0	58	47	14	0	0	0	0	.368	.379	.825	1.204	15	8	.493	193	7
10	Bob Gibson B. Gibson	5	1	1972	STL	34	103	12	20	6	0	12	0	25	0	1	106	41	11	2	0	0	0	.194	.202	.398	.600	8	-2.4	.272	68	-3.7
11	Renato Nunez R. Nunez	4	1	2021	DET	14	53	7	10	3	0	7	1	16	0	0	55	25	7	0	0	0	2	.189	.218	.472	.690	5	-1.2	.287	81	-1.3
12	Jose Siri J. Siri	4	1	2021	HOU	21	46	10	14	0	1	9	2	17	3	1	49	28	5	0	0	0	0	.304	.347	.609	.956	9	3.5	.401	158	3.5
13	Chadwick Tromp C. Tromp	4	1	2020	SFG	24	61	11	13	1	0	10	0	20	0	0	64	26	5	0	2	0	3	.213	.219	.426	.645	5	-3	.264	64	-3
14	Hunter Renfroe H. Renfroe	4	1	2016	SDP	11	35	8	13	3	0	14	0	5	0	0	36	28	7	0	0	1	1	.371	.389	.800	1.189	9	5	.487	212	5
15	Brandon Snyder B. Snyder	4	1	2016	ATL	37	46	8	11	5	1	9	0	16	0	0	47	30	10	0	0	0	1	.239	.255	.652	.907	8	2	.370	132	1.8
16	John McDonald J. McDonald	4	1	2009	TOR	73	151	18	39	7	0	13	2	18	0	2	156	58	11	1	1	0	1	.258	.271	.384	.655	13	-5.7	.285	67	-6.4
17	Carlos Zambrano C. Zambrano	4	1	2009	CHC	33	69	7	15	5	0	11	0	28	0	0	72	32	9	1	1	0	0	.217	.225	.464	.689	6	-2.4	.288	66	-3
18	Ozzie Timmons O. Timmons	4	1	2000	TBD	12	41	9	14	3	0	13	0	7	0	0	42	29	7	0	0	0	2	.341	.357	.707	1.064	9	3.7	.441	160	3.4
19	Bernardo Brito B. Brito	4	1	1993	MIN	27	54	8	13	2	0	9	0	20	0	0	55	27	6	0	0	0	1	.241	.255	.500	.755	6	-0.1	.325	94	-0.4
20	Sam Horn S. Horn	4	1	1993	CLE	12	33	8	15	1	0	8	1	5	0	0	36	28	5	0	1	0	1	.455	.472	.848	1.321	11	6.7	.557	248	6.6
21	Bill Schroeder B. Schroeder	4	1	1990	CAL	18	58	7	13	3	0	9	0	10	0	0	59	28	7	0	0	0	3	.224	.237	.483	.720	6	-0.2	.315	98	-0.2
22	Jim Rooker J. Rooker	4	1	1969	KCR	34	57	7	16	3	0	8	1	19	0	0	59	31	7	0	0	0	2	.281	.305	.544	.849	9	2.9	.379	135	2.4
23	Hawk Taylor H. Taylor	4	1	1965	NYM	25	46	5	7	0	0	10	0	8	0	0	48	19	4	0	1	0	2	.152	.167	.413	.580	3	-1.9	.252	59	-2.3
24	Milt Pappas M. Pappas	4	1	1962	BAL	35	69	5	6	1	0	8	0	41	0	0	75	19	5	3	2	0	2	.087	.097	.275	.373	-1	-9.8	.157	-8	-10.1
25	Lou Klimchock L. Klimchock	4	1	1959	KCA	17	66	10	18	1	0	13	0	6	0	0	68	31	5	1	0	0	2	.273	.284	.470	.753	8	0.6	.330	100	0