The Boston Red Sox have the highest OPS by a team in a day, with an OPS of 1.741 on June 8, 1950.

	TEAM	OPS	DAY	W%	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG
1	Red Sox	1.741	6/8/1950	1.000	1	0	53	29	28	9	1	7	29	11	0	2	0	0	64	60	17	0		0	0	.528	.609	1.132
2	Rockies	1.738	5/31/2016	1.000	1	0	39	17	19	7	0	7	17	5	0	5	0	0	46	47	14	1	1	0	2	.487	.533	1.205
3	Pirates	1.728	8/16/1947	1.000	1	0	34	12	16	2	0	7	12	8	1	2	0	0	44	39	9	1			2	.471	.581	1.147
4	Blue Jays	1.725	9/14/1987	1.000	1	0	44	18	21	2	0	10	18	4	0	4	0	0	48	53	12	0	0	0	1	.477	.521	1.205
5	Senators	1.712	6/20/1920	1.000	1	0	18	9	8	3	2	2	8	4	0	1	2	1	24	21	7	2				.444	.545	1.167
6	Expos	1.709	7/30/1978	1.000	1	0	51	19	28	6	0	8	19	3	1	6	0	0	57	58	14	1	1	0	1	.549	.571	1.137
7	Nationals	1.698	8/18/2019	1.000	1	0	40	16	19	2	1	8	16	4	0	3	0	0	46	47	11	2	0	0	1	.475	.523	1.175
8	Braves	1.692	5/21/2021	1.000	1	0	41	20	20	7	0	7	20	5	0	9	0	0	49	48	14	1	2	0	0	.488	.521	1.171
9	Tigers	1.686	6/20/2000	1.000	1	0	41	18	18	3	1	8	18	9	0	3	0	0	50	47	12	0	0	0	4	.439	.540	1.146
10	Dodgers	1.680	7/10/2021	1.000	1	0	44	22	21	2	1	8	22	8	1	4	0	0	53	49	11	0	0	0	2	.477	.566	1.114
11	Rangers	1.679	4/19/1996	1.000	1	0	38	26	19	5	1	5	26	13	1	2	1	1	55	41	11	0	3	0	1	.500	.600	1.079
12	Tigers	1.671	7/25/1937	1.000	1	0	26	12	13	1	1	4	9	6	0	3	0	1	33	28	6	1				.500	.594	1.077
13	Red Sox	1.667	9/4/2013	1.000	1	0	41	20	19	4	0	8	20	4	2	10	1	0	48	47	12	0	1	1	1	.463	.521	1.146
14	Nationals	1.653	7/27/2017	1.000	1	0	42	15	19	5	0	8	15	5	0	9	1	0	48	48	13	1	0	0	0	.452	.511	1.143
15	Red Sox	1.653	6/27/2003	1.000	1	0	46	25	28	8	1	3	25	7	1	7	0	0	57	47	12	0	3	0	1	.609	.632	1.022
16	Blue Jays	1.647	8/7/2010	1.000	1	0	43	17	20	4	0	8	17	6	0	4	0	0	49	48	12	0	0	0	1	.465	.531	1.116
17	Yankees	1.645	6/3/1932	1.000	1	0	46	20	23	2	2	7	19	6	0	9	1	1	53	50	11	1				.500	.558	1.087
18	Diamondbacks	1.644	5/17/2014	1.000	1	0	43	18	21	5	3	5	18	6	0	9	2	0	50	47	13	1	0	0	1	.488	.551	1.093
19	Giants	1.640	6/24/1950	1.000	1	0	34	12	13	2	1	7	12	9	1	1	0	0	45	38	10	1		2	2	.382	.523	1.118
20	Cardinals	1.640	5/7/1940	1.000	1	0	43	18	20	4	2	7	18	0	3	1	1	0	47	49	13	1			1	.465	.500	1.140
21	Athletics	1.637	5/18/1912	1.000	1	0	43	24	26	4	6	0	22	7	0	1	10		52	42	10	2				.605	.660	.977
22	Yankees	1.635	3/29/2025	1.000	1	0	40	20	16	2	0	9	20	8	2	5	0	0	51	45	11	0	1	0	0	.400	.510	1.125
23	Orioles	1.633	6/16/2015	1.000	1	0	39	19	17	2	0	8	17	8	1	7	0	0	49	43	10	0	1	0	2	.436	.531	1.103
24	Giants	1.631	6/6/1939	1.000	1	0	40	17	20	2	0	7	17	5	0	4	0	0	46	43	9	1			1	.500	.556	1.075
25	Redlegs	1.630	6/1/1957	1.000	1	0	45	22	22	5	0	7	22	8	1	6	0	1	56	48	12	1	1	2	0	.489	.564	1.067