The Pittsburgh Pirates had their most bases on balls in a game versus the Reds 4 times, with 11 walks.

Interpreted as:

pirates most walks in a regular-season game vs reds

	TEAM	BB	DATE	TM		OPP	RESULT	AB	R	H	2B	3B	HR	RBI	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Pirates	11	5/23/1986	PIT	vs	CIN	L 9-12	41	9	11	1	0	0	8	0	11	1	3	56	12	1	2	2	2	2	.268	.407	.293	.700
2	Pirates	11	9/6/1965	PIT	@	CIN	W 4-2	31	4	6	1	0	0	4	0	8	2	0	42	7	1	0	0	0	2	.194	.405	.226	.631
3	Pirates	11	6/7/1953	PIT	vs	CIN	L 6-11	33	6	8	0	0	0	5	0	4	0	0	45	8	0	1		0	1	.242	.432	.242	.674
4	Pirates	11	4/18/1917	PIT	@	CIN	L 5-7	24	5	4	1	2	0	5	1	1	1		39	9	3	3				.167	.444	.375	.819
5	Pirates	10	9/17/2016	PIT	@	CIN	W 10-4	37	10	11	3	0	1	9	0	8	1	0	48	17	4	0	1	1	3	.297	.438	.459	.897
6	Pirates	10	4/17/1999	PIT	@	CIN	W 7-6	37	7	11	4	0	0	7	0	9	0	1	48	15	4	1	0	0	3	.297	.447	.405	.852
7	Pirates	10	4/30/1996	PIT	@	CIN	W 10-7	33	10	12	1	0	4	10	2	4	3	1	48	25	5	2	1	1	1	.364	.522	.758	1.279
8	Pirates	10	8/12/1966	PIT	@	CIN	W 14-11	51	14	13	1	0	6	12	1	11	1	0	62	32	7	0	0	3	2	.255	.387	.627	1.015
9	Pirates	10	8/5/1947	PIT	vs	CIN	W 12-4	34	12	11	1	0	0	11	0	5	1	0	44	12	1	0			0	.324	.477	.353	.830
10	Pirates	10	9/20/1942	PIT	vs	CIN	W 2-1	44	2	8	1	1	0	2	0	3	2	0	56	11	2	2			1	.182	.333	.250	.583
11	Pirates	10	4/17/1905	PIT	@	CIN	W 6-4	34	6	10	0	0	0		0	6	4		46	10	0	2				.294	.455	.294	.749
12	Pirates	9	3/30/2023	PIT	@	CIN	W 5-4	30	5	6	1	0	1	4	0	11	2	0	41	10	2	1	1	0	1	.200	.375	.333	.708
13	Pirates	9	9/17/2016	PIT	@	CIN	W 7-3	36	7	11	1	0	1	6	0	4	0	0	47	15	2	1	1	0	0	.306	.435	.417	.851
14	Pirates	9	9/10/2012	PIT	@	CIN	L 3-4	50	3	9	3	0	1	3	1	13	0	0	60	15	4	0	0	0	1	.180	.317	.300	.617
15	Pirates	9	4/17/2010	PIT	vs	CIN	W 5-4	31	5	7	2	0	1	5	0	6	0	1	40	12	3	0	0	1	1	.226	.400	.387	.787
16	Pirates	9	9/17/2002	PIT	vs	CIN	W 11-3	36	11	9	3	0	0	9	2	4	0	1	48	12	3	0	1	0	0	.250	.417	.333	.750
17	Pirates	9	8/23/1990	PIT	vs	CIN	W 9-3	31	9	10	2	1	2	9	0	3	0	0	41	20	5	1	0	0	1	.323	.475	.645	1.120
18	Pirates	9	5/8/1982	PIT	@	CIN	W 4-2	51	4	9	1	0	0	3	0	8	1	0	61	10	1	1	0	3	2	.176	.300	.196	.496
19	Pirates	9	8/23/1975	PIT	vs	CIN	L 7-12	36	7	12	2	0	1	6	1	5	0	0	47	17	3	0	1	0	2	.333	.468	.472	.940
20	Pirates	9	7/19/1970	PIT	vs	CIN	W 7-3	32	7	11	1	1	1	6	0	4	0	0	43	17	3	2	0	3	2	.344	.488	.531	1.019
21	Pirates	9	6/20/1962	PIT	vs	CIN	W 5-4	30	5	8	4	0	0	4	0	4	0	1	40	12	4	1	0	3	0	.267	.436	.400	.836
22	Pirates	9	7/1/1948	PIT	@	CIN	W 5-2	37	5	12	3	0	0	4	0	3	0	0	46	15	3	0			0	.324	.457	.405	.862
23	Pirates	9	6/24/1945	PIT	@	CIN	W 7-5	33	7	10	3	0	0	7	0	1	0	0	43	13	3	1			2	.303	.452	.394	.846
24	Pirates	9	5/2/1937	PIT	@	CIN	W 7-2	35	7	11	2	2	0	7	0	5	1	0	46	17	4	2			1	.314	.455	.486	.940
25	Pirates	9	4/16/1935	PIT	@	CIN	W 12-6	40	12	14	0	0	0	10	0	4	1	0	51	14	0	2			1	.350	.469	.350	.819