The Atlanta Braves had the highest OPS by a team against left-handed pitchers in May 2023, with an OPS of .995.

	TEAM	OPS	MONTH	G	W%	W	L	AB	H	2B	3B	HR	RBI	BB	HBP	SO	PA	TB	XBH	SH	SF	IBB	AVG	OBP	SLG
1	Braves	.995	May 2023	21	.747	195	66	239	77	16	0	19	49	16	3	50	261	150	35	0	3	2	.322	.368	.628
2	Rays	.942	May 2023	18	.580	94	68	146	43	7	1	11	27	14	1	35	162	85	19	1	0	1	.295	.360	.582
3	Dodgers	.930	May 2023	22	.675	216	104	277	77	19	0	21	55	34	3	63	320	159	40	0	6	1	.278	.356	.574
4	Rangers	.877	May 2023	24	.699	242	104	300	97	21	1	8	55	37	3	67	346	144	30	1	5	2	.323	.397	.480
5	Yankees	.851	May 2023	16	.669	115	57	150	37	7	2	10	27	18	2	41	172	78	19	0	2	0	.247	.331	.520
6	White Sox	.851	May 2023	20	.500	113	113	204	62	21	2	5	35	13	3	42	226	102	28	3	2	0	.304	.351	.500
7	Reds	.841	May 2023	18	.638	180	102	255	79	21	2	6	43	21	2	62	282	122	29	1	3	0	.310	.363	.478
8	Nationals	.834	May 2023	23	.382	141	228	327	98	27	1	8	49	34	5	72	369	151	36	1	2	1	.300	.372	.462
9	Red Sox	.823	May 2023	24	.567	148	113	229	66	20	0	6	36	25	5	50	261	104	26	1	1	0	.288	.369	.454
10	Marlins	.819	May 2023	17	.376	117	194	283	84	7	3	12	33	24	0	61	311	133	22	2	2	2	.297	.350	.470
11	Angels	.791	May 2023	19	.493	113	116	206	57	13	0	8	30	19	0	59	229	94	21	0	2	2	.277	.335	.456
12	Giants	.775	May 2023	21	.788	223	60	262	75	16	1	8	38	15	2	62	283	117	25	3	1	0	.286	.329	.447
13	Padres	.772	May 2023	18	.339	85	166	225	55	7	0	13	25	25	1	68	251	101	20	0	0	0	.244	.323	.449
14	Diamondbacks	.770	May 2023	21	.588	177	124	270	70	13	2	11	34	26	1	69	301	120	26	3	1	2	.259	.326	.444
15	Cardinals	.761	May 2023	18	.495	140	143	253	63	13	1	11	40	26	2	62	283	111	25	1	1	1	.249	.323	.439
16	Mets	.756	May 2023	22	.339	97	189	260	70	11	1	10	27	19	2	45	286	113	22	3	2	0	.269	.322	.435
17	Cubs	.756	May 2023	18	.527	127	114	215	57	13	1	6	32	23	1	64	241	90	20	1	1	1	.265	.338	.419
18	Royals	.753	May 2023	19	.377	100	165	230	60	13	0	7	30	26	5	60	265	94	20	1	3	2	.261	.345	.409
19	Twins	.736	May 2023	20	.420	97	134	201	52	11	0	5	23	24	4	61	231	78	16	1	1	1	.259	.348	.388
20	Orioles	.736	May 2023	23	.548	182	150	290	71	20	1	8	33	37	2	70	332	117	29	1	2	0	.245	.332	.403
21	Astros	.712	May 2023	21	.716	169	67	215	49	20	1	7	28	16	2	51	236	92	28	0	3	1	.228	.284	.428
22	Mariners	.711	May 2023	22	.720	229	89	288	70	13	1	10	40	25	4	82	318	115	24	0	1	0	.243	.311	.399
23	Guardians	.703	May 2023	18	.553	135	109	217	54	13	2	4	21	21	3	37	244	83	19	1	2	2	.249	.321	.382
24	Tigers	.697	May 2023	19	.442	110	139	225	51	9	0	10	28	22	1	46	249	90	19	0	1	0	.227	.297	.400
25	Athletics	.688	May 2023	23	.275	81	214	262	64	10	1	7	27	26	3	57	295	97	18	2	2	2	.244	.317	.370