The Oakland Athletics had the worst record by a team in May 2023, with a record of 6-23.

	TEAM	REC	MONTH	W%	G	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Athletics	6-23	May 2023	.207	29	6	23	947	87	197	38	3	24	84	93	13	264	25	8	1,062	313	65	6	3	4	20	.208	.287	.331	.617
2	Pirates	8-18	May 2023	.308	26	8	18	851	85	191	43	6	19	81	83	8	238	19	11	950	303	68	6	2	1	14	.224	.299	.356	.655
3	Cubs	10-18	May 2023	.357	28	10	18	933	102	217	43	2	29	101	115	8	282	20	5	1,067	351	74	3	8	3	15	.233	.320	.376	.696
4	Royals	10-17	May 2023	.370	27	10	17	913	125	224	47	6	36	123	82	14	244	21	4	1,021	391	89	2	10	3	9	.245	.314	.428	.742
5	Phillies	10-16	May 2023	.385	26	10	16	869	102	203	44	4	23	98	90	8	234	17	5	978	324	71	2	9	6	14	.234	.308	.373	.681
6	Padres	10-16	May 2023	.385	26	10	16	849	103	180	37	1	29	97	120	9	234	27	6	986	306	67	3	5	3	17	.212	.314	.360	.675
7	Blue Jays	11-17	May 2023	.393	28	11	17	998	134	273	56	5	31	123	83	6	212	23	5	1,094	432	92	1	6	1	28	.274	.331	.433	.764
8	Brewers	11-16	May 2023	.407	27	11	16	867	92	190	30	2	32	86	80	10	242	26	6	961	320	64	0	4	3	25	.219	.291	.369	.660
9	Twins	12-15	May 2023	.444	27	12	15	933	122	215	43	1	36	114	115	15	299	21	3	1,068	368	80	2	3	4	18	.230	.324	.394	.718
10	Guardians	12-15	May 2023	.444	27	12	15	884	92	206	44	5	16	86	72	5	183	13	3	968	308	65	1	6	6	20	.233	.293	.348	.641
11	Marlins	13-14	May 2023	.481	27	13	14	938	110	251	38	6	28	103	82	6	221	18	7	1,039	385	72	8	5	7	32	.268	.329	.410	.739
12	Mets	14-15	May 2023	.483	29	14	15	972	127	243	32	7	37	122	87	15	204	15	3	1,084	400	76	3	7	1	16	.250	.319	.412	.731
13	Nationals	14-15	May 2023	.483	29	14	15	993	136	273	57	5	29	130	79	15	208	15	3	1,093	427	91	3	3	1	22	.275	.337	.430	.767
14	Red Sox	13-13	May 2023	.500	26	13	13	896	122	244	62	2	26	121	73	10	211	20	5	984	388	90	2	3	1	21	.272	.333	.433	.766
15	White Sox	15-14	May 2023	.517	29	15	14	979	133	243	48	6	32	131	69	8	234	13	3	1,070	399	86	5	9	6	22	.248	.300	.408	.708
16	Braves	15-14	May 2023	.517	29	15	14	989	144	254	53	1	51	142	82	15	232	17	5	1,094	462	105	0	8	5	26	.257	.321	.467	.788
17	Reds	14-13	May 2023	.519	27	14	13	932	131	248	61	5	24	128	93	10	244	24	8	1,045	391	90	3	7	1	19	.266	.337	.420	.756
18	Cardinals	15-13	May 2023	.536	28	15	13	956	150	232	48	3	44	144	101	8	232	25	5	1,073	418	95	1	7	5	15	.243	.318	.437	.755
19	Angels	15-13	May 2023	.536	28	15	13	960	132	253	46	4	39	130	83	14	254	12	3	1,069	424	89	0	12	3	24	.264	.327	.442	.769
20	Rockies	15-13	May 2023	.536	28	15	13	943	141	256	68	6	25	135	88	5	226	13	4	1,047	411	99	1	10	1	22	.271	.334	.436	.769
21	Orioles	16-12	May 2023	.571	28	16	12	960	134	238	54	7	31	131	94	8	233	15	5	1,070	399	92	3	5	3	21	.248	.319	.416	.734
22	Rays	17-12	May 2023	.586	29	17	12	955	145	242	46	5	42	139	103	16	235	52	7	1,082	424	93	2	6	0	25	.253	.334	.444	.778
23	Giants	17-12	May 2023	.586	29	17	12	977	131	247	52	2	30	130	91	7	260	15	4	1,087	393	84	4	8	1	16	.253	.319	.402	.721
24	Tigers	16-11	May 2023	.593	27	16	11	912	116	218	43	1	26	112	106	10	212	18	1	1,034	341	70	0	6	1	17	.239	.323	.374	.697
25	Mariners	17-11	May 2023	.607	28	17	11	938	129	223	47	2	30	122	100	16	262	14	5	1,059	364	79	0	5	2	15	.238	.320	.388	.708