which team has the most wins in a calendar month in the last 50 years

Between June 26, 1975 and June 26, 2025, the Cleveland Indians and the Kansas City Royals are tied for the most wins in a month, with 25 wins.

	TEAM	W	MONTH	L	W%	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Indians	25	September 2017	4	.862	29	1,001	164	283	68	7	44	158	103	15	180	12	3	1,132	497	119	0	13	7	22	.283	.354	.497	.851
2	Royals	25	September 1977	5	.833	30	1,062	170	322	52	17	30	160	98	10	120	41	20	1,194	498	99	15	9	14	27	.303	.365	.469	.834
3	Dodgers	24	August 2023	5	.828	29	989	176	290	71	1	44	173	107	13	214	23	5	1,123	495	116	1	13	6	23	.293	.365	.501	.866
4	Athletics	24	August 2002	4	.857	28	998	164	278	55	10	40	161	93	14	148	7	5	1,112	473	105	2	5	12	19	.279	.347	.474	.821
5	Dodgers	23	August 2013	6	.793	29	974	128	265	59	3	19	122	90	13	189	15	7	1,098	387	81	12	9	11	26	.272	.339	.397	.736
6	Red Sox	23	August 1995	7	.767	30	1,034	179	295	64	10	37	170	128	10	178	21	9	1,194	490	111	12	10	9	29	.285	.366	.474	.840
7	Royals	23	August 1980	7	.767	30	1,090	165	316	51	8	25	158	102	10	130	35	8	1,222	458	84	8	12	8	19	.290	.353	.420	.773
8	Expos	23	September 1979	11	.676	34	1,180	151	324	67	11	25	137	84	6	180	31	13	1,294	488	103	14	10	16	22	.275	.323	.414	.737
9	Orioles	23	June 1979	6	.793	29	924	131	241	37	4	34	120	117	3	149	20	7	1,063	388	75	10	9	9	32	.261	.343	.420	.763
10	Red Sox	23	May 1978	7	.767	30	998	146	279	49	9	37	137	117	5	138	11	12	1,143	457	95	8	15	5	33	.280	.353	.458	.811
11	Rays	22	April 2023	6	.786	28	973	191	276	56	4	59	184	91	19	241	25	9	1,092	517	119	0	9	1	10	.284	.353	.531	.885
12	Cardinals	22	August 2022	7	.759	29	1,002	173	282	57	6	51	168	109	21	207	12	5	1,141	504	114	1	8	1	22	.281	.361	.503	.864
13	Dodgers	22	August 2022	6	.786	28	981	165	268	68	5	40	160	96	11	245	19	3	1,100	466	113	0	12	3	16	.273	.341	.475	.816
14	Yankees	22	June 2022	6	.786	28	919	155	216	36	2	58	151	122	12	236	20	4	1,062	430	96	2	7	10	19	.235	.330	.468	.798
15	Cardinals	22	September 2021	7	.759	29	952	158	251	50	2	52	151	69	12	253	19	1	1,057	461	104	10	14	4	17	.264	.317	.484	.801
16	Rays	22	May 2021	6	.786	28	963	160	228	53	3	40	153	120	14	311	23	8	1,100	407	96	1	2	7	12	.237	.329	.423	.752
17	Cardinals	22	August 2018	6	.786	28	970	148	265	58	2	40	144	85	21	219	14	5	1,085	447	100	4	5	12	11	.273	.343	.461	.804
18	Astros	22	May 2017	7	.759	29	1,003	180	281	57	4	52	169	98	14	189	14	3	1,125	502	113	0	10	4	24	.280	.349	.500	.850
19	Cubs	22	August 2016	6	.786	28	969	143	267	52	8	37	134	100	12	215	8	6	1,099	446	97	7	11	7	15	.276	.347	.460	.807
20	Indians	22	June 2016	6	.786	28	947	143	256	45	10	44	134	76	7	199	26	5	1,047	453	99	8	9	2	21	.270	.326	.478	.805
21	Astros	22	July 2005	7	.759	29	1,008	150	285	59	7	35	140	79	14	168	31	7	1,128	463	101	17	10	10	23	.283	.340	.459	.800
22	Padres	22	May 2005	6	.786	28	983	160	284	54	8	28	155	115	8	177	20	11	1,129	438	90	12	11	8	25	.289	.364	.446	.810
23	Athletics	22	August 2001	7	.759	29	1,002	188	279	58	5	43	178	121	12	155	19	3	1,151	476	106	5	11	12	25	.278	.360	.475	.835
24	Yankees	22	August 1998	10	.688	32	1,158	222	367	69	3	54	208	129	3	211	16	11	1,307	604	126	3	14	8	30	.317	.383	.522	.904
25	Astros	22	August 1998	7	.759	29	1,015	163	288	53	5	36	153	114	13	193	22	6	1,156	459	94	6	8	13	27	.284	.361	.452	.813