The New York Mets and the Kansas City Royals were tied for the worst record in June 2018, with a record of 5-21.

	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	Mets	5-21	June 2018	.192	26	5	21	868	89	182	42	4	27	86	93	11	236	9	3	984	313	73	6	6	7	23	.210	.292	.361	.653
2	Royals	5-21	June 2018	.192	26	5	21	839	58	162	37	5	15	56	57	12	205	12	8	913	254	57	1	4	1	23	.193	.253	.303	.556
3	Orioles	6-20	June 2018	.231	26	6	20	898	88	194	31	3	30	83	71	14	221	11	3	992	321	64	2	7	4	23	.216	.282	.357	.639
4	Tigers	10-18	June 2018	.357	28	10	18	938	94	208	42	7	19	89	79	8	249	16	7	1,035	321	68	4	6	4	12	.222	.286	.342	.628
5	Nationals	9-16	June 2018	.360	25	9	16	837	100	199	42	4	20	93	79	8	223	21	7	933	309	66	3	6	4	9	.238	.308	.369	.677
6	Pirates	10-16	June 2018	.385	26	10	16	860	97	197	42	5	17	93	77	13	205	10	5	968	300	64	5	13	5	19	.229	.298	.349	.647
7	Rockies	11-16	June 2018	.407	27	11	16	940	153	256	56	5	36	148	71	11	237	6	10	1,038	430	97	7	9	3	20	.272	.328	.457	.785
8	White Sox	12-17	June 2018	.414	29	12	17	978	107	229	46	7	20	105	62	14	285	17	10	1,061	349	73	4	3	4	11	.234	.289	.357	.645
9	Cardinals	12-15	June 2018	.444	27	12	15	902	108	216	33	1	37	101	75	10	228	4	4	996	362	71	3	6	3	13	.239	.303	.401	.704
10	Padres	12-15	June 2018	.444	27	12	15	891	94	218	43	4	19	90	72	3	238	11	8	982	326	66	10	6	5	21	.245	.301	.366	.667
11	Brewers	12-13	June 2018	.480	25	12	13	842	115	204	39	3	36	108	73	14	242	23	4	940	357	78	5	6	1	21	.242	.311	.424	.735
12	Phillies	13-14	June 2018	.481	27	13	14	889	116	210	38	5	35	112	105	10	254	11	2	1,019	363	78	7	8	7	18	.236	.321	.408	.729
13	Twins	13-14	June 2018	.481	27	13	14	892	115	206	58	6	27	109	87	6	203	11	3	992	357	91	3	4	6	13	.231	.302	.400	.703
14	Angels	13-14	June 2018	.481	27	13	14	914	113	219	31	3	39	105	81	13	206	6	5	1,014	373	73	0	6	9	13	.240	.309	.408	.717
15	Rays	13-14	June 2018	.481	27	13	14	880	87	200	37	5	19	79	74	17	252	17	7	982	304	61	5	6	0	18	.227	.298	.345	.643
16	Marlins	14-14	June 2018	.500	28	14	14	974	117	248	52	7	24	110	85	10	251	6	3	1,081	386	83	3	9	5	27	.255	.318	.396	.714
17	Indians	14-12	June 2018	.538	26	14	12	869	113	209	46	3	30	108	87	12	204	29	2	975	351	79	1	6	7	16	.241	.316	.404	.720
18	Blue Jays	14-12	June 2018	.538	26	14	12	885	109	228	49	2	40	109	76	4	204	4	7	971	401	91	0	6	1	26	.258	.317	.453	.770
19	Braves	14-11	June 2018	.560	25	14	11	897	125	231	62	4	26	121	64	13	200	10	4	985	379	92	7	4	8	14	.258	.315	.423	.737
20	Rangers	14-11	June 2018	.560	25	14	11	839	132	214	41	3	31	125	109	22	217	15	4	983	354	75	6	7	3	16	.255	.353	.422	.775
21	Cubs	16-12	June 2018	.571	28	16	12	965	132	259	47	2	27	130	102	12	253	17	9	1,101	391	76	8	14	14	19	.268	.341	.405	.746
22	Reds	15-11	June 2018	.577	26	15	11	922	146	259	41	6	33	142	119	9	211	13	7	1,060	411	80	6	4	9	18	.281	.367	.446	.813
23	Red Sox	17-10	June 2018	.630	27	17	10	934	135	249	47	3	38	128	89	11	213	25	4	1,041	416	88	0	7	6	20	.267	.335	.445	.781
24	Athletics	17-10	June 2018	.630	27	17	10	933	144	242	48	3	43	136	79	15	214	5	2	1,036	425	94	0	9	3	22	.259	.324	.456	.780
25	Giants	18-10	June 2018	.643	28	18	10	949	118	230	52	5	28	113	88	13	229	10	6	1,066	376	85	6	10	14	18	.242	.312	.396	.708