The Colorado Rockies had the best record by a team in June 2009, with a record of 21-7.

	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	Rockies	21-7	June 2009	.750	28	21	7	962	154	266	59	5	39	146	108	9	231	21	9	1,110	452	103	16	15	10	13	.277	.350	.470	.820
2	Rays	19-7	June 2009	.731	26	19	7	864	148	245	50	6	41	142	106	11	188	39	16	991	430	97	2	8	9	18	.284	.366	.498	.864
3	Red Sox	18-8	June 2009	.692	26	18	8	876	138	228	44	7	31	130	113	10	178	24	6	1,011	379	82	3	9	6	20	.260	.348	.433	.781
4	Angels	17-9	June 2009	.654	26	17	9	890	148	249	54	7	33	140	83	10	189	15	11	998	416	94	7	8	3	16	.280	.345	.467	.813
5	Giants	17-10	June 2009	.630	27	17	10	922	118	249	59	4	25	111	51	6	203	10	2	1,002	391	88	9	14	5	16	.270	.308	.424	.732
6	Marlins	17-11	June 2009	.607	28	17	11	943	131	264	50	2	30	120	79	8	191	16	6	1,044	408	82	8	6	3	17	.280	.339	.433	.771
7	Mariners	15-10	June 2009	.600	25	15	10	848	99	229	39	5	29	94	69	6	162	18	3	938	365	73	8	7	10	19	.270	.327	.430	.757
8	Astros	16-11	June 2009	.593	27	16	11	901	108	237	42	6	23	106	79	7	147	18	10	1,014	360	71	14	13	8	30	.263	.323	.400	.723
9	Yankees	15-11	June 2009	.577	26	15	11	868	140	220	51	3	33	130	131	7	141	25	2	1,016	376	87	6	4	10	23	.253	.354	.433	.788
10	Twins	15-12	June 2009	.556	27	15	12	906	112	240	43	5	25	104	93	2	170	8	4	1,023	368	73	11	11	10	31	.265	.331	.406	.737
11	Dodgers	14-12	June 2009	.538	26	14	12	884	93	213	38	3	23	88	77	11	165	26	9	993	326	64	15	6	8	17	.241	.308	.369	.677
12	Tigers	15-13	June 2009	.536	28	15	13	908	112	226	36	6	35	108	86	11	201	14	8	1,025	379	77	14	6	3	23	.249	.319	.417	.737
13	White Sox	15-13	June 2009	.536	28	15	13	924	131	238	41	4	41	124	107	11	178	23	9	1,059	410	86	13	4	6	28	.258	.340	.444	.784
14	Pirates	14-13	June 2009	.519	27	14	13	919	123	255	46	11	17	122	81	8	169	18	7	1,030	374	74	13	9	10	26	.277	.338	.407	.745
15	Athletics	13-15	June 2009	.464	28	13	15	904	115	210	46	5	25	111	86	11	184	17	7	1,017	341	76	10	6	4	26	.232	.305	.377	.682
16	Blue Jays	12-14	June 2009	.462	26	12	14	911	121	233	48	2	34	118	94	5	145	20	4	1,018	387	84	3	5	5	21	.256	.327	.425	.752
17	Orioles	12-14	June 2009	.462	26	12	14	897	110	252	42	2	20	104	80	2	155	10	5	993	358	64	3	11	1	25	.281	.337	.399	.736
18	Brewers	12-15	June 2009	.444	27	12	15	921	133	241	49	10	31	130	108	8	206	13	3	1,051	403	90	5	9	9	25	.262	.341	.438	.779
19	Cubs	11-14	June 2009	.440	25	11	14	902	89	210	39	2	25	87	87	7	206	8	5	1,016	328	66	13	7	11	19	.233	.303	.364	.667
20	Braves	11-15	June 2009	.423	26	11	15	904	93	223	44	3	23	91	76	9	149	17	2	1,009	342	70	13	7	10	19	.247	.309	.378	.688
21	Rangers	11-15	June 2009	.423	26	11	15	868	99	195	36	5	32	89	74	6	208	26	4	961	337	73	7	6	3	17	.225	.288	.388	.677
22	Reds	11-15	June 2009	.423	26	11	15	879	97	201	49	3	17	92	85	10	162	18	6	1,002	307	69	16	12	8	17	.229	.300	.349	.649
23	Phillies	11-15	June 2009	.423	26	11	15	924	124	229	43	2	38	122	93	9	202	11	4	1,045	390	83	10	9	11	17	.248	.320	.422	.742
24	Cardinals	12-17	June 2009	.414	29	12	17	965	118	242	52	5	29	107	78	5	181	10	6	1,061	391	86	11	2	12	28	.251	.310	.405	.715
25	Royals	10-16	June 2009	.385	26	10	16	891	96	219	36	9	26	92	52	4	177	13	2	951	351	71	1	3	1	25	.246	.289	.394	.683