The Colorado Rockies allowed the most runs by a team in June 2012, with 169 runs.

	TEAM	R	MONTH	G	W%	W	L	ERA	SO	SHO	SV	IP	H	ER	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Rockies	169	June 2012	27	.333	9	18	5.88	197	0	3	238.2	300	156	45	94	10	12	1,096	12	7.43	3.54	2.10	1.70	18.0	8.6	1.65	.340	6.37	11.31
2	Marlins	151	June 2012	26	.308	8	18	5.40	176	0	6	235.0	250	141	33	89	8	7	1,030	5	6.74	3.41	1.98	1.26	17.1	8.6	1.44	.300	5.78	9.57
3	Astros	149	June 2012	27	.370	10	17	5.26	176	1	6	236.0	255	138	37	81	5	2	1,033	9	6.71	3.09	2.17	1.41	17.0	7.8	1.42	.297	5.68	9.72
4	Phillies	146	June 2012	28	.321	9	19	4.79	241	0	4	250.0	259	133	32	90	7	6	1,089	7	8.68	3.24	2.68	1.15	22.1	8.3	1.40	.316	5.26	9.32
5	Indians	137	June 2012	27	.444	12	15	4.87	179	0	6	233.0	243	126	35	76	8	6	1,002	14	6.91	2.94	2.36	1.35	17.9	7.6	1.37	.295	5.29	9.39
6	Blue Jays	136	June 2012	27	.481	13	14	4.73	179	1	4	238.0	251	125	38	81	11	2	1,030	5	6.77	3.06	2.21	1.44	17.4	7.9	1.39	.295	5.14	9.49
7	Twins	132	June 2012	27	.519	14	13	4.33	160	0	8	245.0	264	118	33	64	8	7	1,062	11	5.88	2.35	2.50	1.21	15.1	6.0	1.34	.290	4.85	9.70
8	Cardinals	129	June 2012	27	.481	13	14	4.57	192	0	8	244.1	258	124	30	81	9	6	1,061	5	7.07	2.98	2.37	1.11	18.1	7.6	1.39	.304	4.75	9.50
9	Mariners	128	June 2012	27	.407	11	16	4.31	225	1	7	242.0	245	116	36	82	9	12	1,028	12	8.37	3.05	2.74	1.34	21.9	8.0	1.35	.309	4.76	9.11
10	Orioles	127	June 2012	26	.500	13	13	4.66	178	1	7	232.0	244	120	26	77	10	5	1,012	6	6.91	2.99	2.31	1.01	17.6	7.6	1.38	.302	4.93	9.47
11	Cubs	126	June 2012	27	.370	10	17	4.59	176	0	6	233.1	244	119	22	92	12	6	1,024	6	6.79	3.55	1.91	0.85	17.2	9.0	1.44	.307	4.86	9.41
12	Padres	123	June 2012	27	.444	12	15	3.84	219	0	7	237.0	218	101	32	102	9	4	1,026	17	8.32	3.87	2.15	1.22	21.3	9.9	1.35	.280	4.67	8.28
13	Tigers	120	June 2012	27	.519	14	13	3.76	216	0	6	239.1	240	100	26	79	6	11	1,017	10	8.12	2.97	2.73	0.98	21.2	7.8	1.33	.310	4.51	9.03
14	White Sox	118	June 2012	27	.481	13	14	4.14	216	0	5	243.2	244	112	32	69	13	4	1,027	13	7.98	2.55	3.13	1.18	21.0	6.7	1.28	.304	4.36	9.01
15	Royals	118	June 2012	27	.519	14	13	3.95	205	1	9	244.0	245	107	21	100	11	7	1,046	5	7.56	3.69	2.05	0.77	19.6	9.6	1.41	.316	4.35	9.04
16	Rays	118	June 2012	27	.444	12	15	3.96	222	0	6	241.0	224	106	27	83	9	8	1,018	9	8.29	3.10	2.67	1.01	21.8	8.2	1.27	.291	4.41	8.37
17	Brewers	113	June 2012	26	.462	12	14	4.03	237	0	4	238.2	239	107	34	76	4	5	1,014	13	8.94	2.87	3.12	1.28	23.4	7.5	1.32	.309	4.26	9.01
18	Rangers	112	June 2012	28	.679	19	9	3.84	215	1	8	246.0	247	105	21	60	7	0	1,035	10	7.87	2.20	3.58	0.77	20.8	5.8	1.25	.309	4.10	9.04
19	Reds	110	June 2012	27	.556	15	12	3.62	209	0	7	241.1	219	97	29	62	11	1	989	3	7.79	2.31	3.37	1.08	21.1	6.3	1.16	.280	4.10	8.17
20	Pirates	110	June 2012	27	.630	17	10	3.97	191	0	10	236.0	224	104	33	87	4	2	1,009	7	7.28	3.32	2.20	1.26	18.9	8.6	1.32	.275	4.19	8.54
21	Dodgers	110	June 2012	28	.393	11	17	3.57	197	0	6	242.0	233	96	23	93	7	6	1,037	11	7.33	3.46	2.12	0.86	19.0	9.0	1.35	.293	4.09	8.67
22	Angels	106	June 2012	26	.654	17	9	3.66	177	1	9	231.0	227	94	22	87	6	2	989	6	6.90	3.39	2.03	0.86	17.9	8.8	1.36	.294	4.13	8.84
23	Diamondbacks	104	June 2012	26	.615	16	10	3.85	213	1	4	227.0	233	97	22	53	8	2	957	6	8.44	2.10	4.02	0.87	22.3	5.5	1.26	.319	4.12	9.24
24	Athletics	99	June 2012	28	.536	15	13	3.32	197	0	8	243.2	203	90	19	92	7	6	998	5	7.28	3.40	2.14	0.70	19.7	9.2	1.21	.269	3.66	7.50
25	Red Sox	98	June 2012	27	.556	15	12	3.31	196	2	5	242.0	214	89	20	47	10	6	972	4	7.29	1.75	4.17	0.74	20.2	4.8	1.08	.278	3.64	7.96