Since 1920, the Cleveland Indians have the highest on-base percentage by a team in a game, with an on-base percentage of .672 versus the Red Sox on July 7, 1923.

Interpreted as:

best obp by a team in a regular-season game since 1920

	TEAM	OBP	DATE	TM		OPP	RESULT	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	SLG	OPS
1	Indians	.672	7/7/1923	CLE	vs	BSA	W 27-3	43	27	24	5	2	0	25	14	1	1	4	2	61	33	7	3				.558	.767	1.440
2	Cardinals	.648	8/22/2008	STL	vs	ATL	W 18-3	44	18	26	5	0	0	18	9	0	6	0	2	55	31	5	1	1	2	1	.591	.705	1.353
3	Senators	.643	8/24/1923	WSH	@	CLE	W 20-8	42	20	22	6	3	0	18	14	0	0	3	2	59	34	9	3				.524	.810	1.452
4	Athletics	.635	5/21/1932	PHA	vs	BSA	W 18-6	36	18	17	5	1	2	18	15	1	1	0	0	54	30	8	2				.472	.833	1.468
5	Red Sox	.632	6/27/2003	BOS	vs	FLA	W 25-8	46	25	28	8	1	3	25	7	1	7	0	0	57	47	12	0	3	0	1	.609	1.022	1.653
6	Cubs	.632	8/25/1922	CHC	vs	PHN	W 26-23	46	26	25	8	0	3	24	10	1	4	1	0	59	42	11	2				.543	.913	1.545
7	Indians	.630	8/7/1923	CLE	@	WSH	W 22-2	46	22	26	3	4	0	19	8	0	2	0	1	56	37	7	2				.565	.804	1.434
8	Twins	.623	4/24/1990	MIN	vs	DET	W 16-4	37	16	19	7	0	2	15	12	2	2	0	0	53	32	9	0	2	1	2	.514	.865	1.488
9	Robins	.619	6/10/1922	BKN	vs	CHC	W 13-0	40	13	24	2	2	0	13	1	1	0	1	0	46	30	4	4				.600	.750	1.369
10	White Sox	.617	8/11/1996	CWS	vs	BAL	W 8-5	36	8	19	3	0	0	8	9	1	2	3	1	49	22	3	2	1	1	2	.528	.611	1.228
11	Red Sox	.617	6/24/1949	BSA	vs	SLA	W 21-2	48	21	25	3	0	2	20	12	0	4	2	0	60	34	5	0			1	.521	.708	1.325
12	Robins	.615	9/6/1930	BKN	vs	PHN	W 22-8	44	22	24	1	3	3	22	8	0	1	0	0	52	40	7	0				.545	.909	1.524
13	Giants	.615	8/5/1922	NYG	vs	CHC	W 19-7	47	19	27	6	4	0	17	4	1	2	1	2	53	41	10	1				.574	.872	1.488
14	White Sox	.614	8/31/1922	CWS	@	DET	W 10-1	38	10	21	3	0	1	10	6	0	0	1	1	49	27	4	5				.553	.711	1.324
15	Yankees	.612	9/6/1945	NYY	vs	DET	W 14-5	32	14	13	1	0	4	14	15	2	3	1	1	52	26	5	3			0	.406	.813	1.425
16	Browns	.612	9/17/1920	SLA	vs	PHA	W 17-8	43	17	24	4	2	0	17	6	0	1	2	2	49	32	6	0				.558	.744	1.356
17	Giants	.611	7/22/1923	NYG	vs	PHN	W 5-4	15	5	8	2	0	0	5	3	0	2	0	1	20	10	2	2				.533	.667	1.278
18	Red Sox	.610	6/18/1953	BOS	vs	DET	W 23-3	50	23	27	2	0	1	22	9	0	6	1	1	60	32	3	1		1	0	.540	.640	1.250
19	Athletics	.610	5/1/1929	PHA	@	BSA	W 24-6	52	24	29	6	0	3	23	6	1	4	1	2	60	44	9	1				.558	.846	1.456
20	Yankees	.610	6/16/1929	NYY	vs	DET	W 11-7	33	11	17	0	1	1	11	8	0	2	1	1	45	22	2	4				.515	.667	1.276
21	Athletics	.610	7/16/1925	PHA	@	CWS	W 12-3	32	12	16	4	0	0	11	9	0	4	0	3	46	20	4	5				.500	.625	1.235
22	Red Sox	.609	6/8/1950	BSA	vs	SLA	W 29-4	53	29	28	9	1	7	29	11	0	2	0	0	64	60	17	0		0	0	.528	1.132	1.741
23	Diamondbacks	.609	8/4/2008	ARI	vs	PIT	W 13-7	36	13	18	3	1	1	11	10	0	4	2	1	47	26	5	1	0	0	3	.500	.722	1.331
24	Yankees	.609	8/28/1936	NYY	vs	DET	W 19-4	35	19	17	0	2	1	19	10	1	0	1	0	46	24	3	0				.486	.686	1.294
25	Orioles	.608	7/22/2006	BAL	@	TBD	L 12-13	41	12	22	4	0	0	12	9	0	5	1	2	51	26	4	0	1	0	4	.537	.634	1.242