what team allowed the lowest runs per game in 2015

The St. Louis Cardinals had the fewest runs allowed per game pitched by a team in 2015, with 3.24.

	TEAM	R/G	R	G	SEASON	W%	W	L	GS	ERA	SO	CG	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	Cardinals	3.24	525	162	2015	.617	100	62	162	2.94	1,329	1	0	62	1464.2	1,359	478	123	477	45	37	6,134	48	8.17	2.93	2.79	0.76	21.7	7.8	1.25	.297	3.23	8.35
2	Dodgers	3.67	595	162	2015	.568	92	70	162	3.44	1,396	6	3	47	1445.2	1,317	553	145	395	38	32	5,932	52	8.69	2.46	3.53	0.90	23.5	6.7	1.18	.296	3.70	8.20
3	Pirates	3.68	596	162	2015	.605	98	64	162	3.21	1,338	0	0	54	1489.2	1,392	532	110	453	75	38	6,215	67	8.08	2.74	2.95	0.66	21.5	7.3	1.24	.302	3.60	8.41
4	Cubs	3.75	608	162	2015	.599	97	65	162	3.36	1,431	6	4	48	1461.1	1,276	546	134	407	46	38	5,997	66	8.81	2.51	3.52	0.83	23.9	6.8	1.15	.287	3.74	7.86
5	Mets	3.78	613	162	2015	.556	90	72	162	3.43	1,337	1	1	50	1462.2	1,341	557	152	383	44	43	6,046	46	8.23	2.36	3.49	0.94	22.1	6.3	1.18	.288	3.77	8.25
6	Astros	3.81	618	162	2015	.531	86	76	162	3.57	1,280	5	3	39	1441.0	1,308	572	148	423	43	17	5,965	61	7.99	2.64	3.03	0.92	21.5	7.1	1.20	.285	3.86	8.17
7	Giants	3.87	627	162	2015	.519	84	78	162	3.72	1,165	7	4	41	1444.1	1,344	597	155	431	50	28	6,009	40	7.26	2.69	2.70	0.97	19.4	7.2	1.23	.283	3.91	8.37
8	Nationals	3.92	635	162	2015	.512	83	79	162	3.62	1,342	4	3	41	1434.2	1,366	577	145	364	55	37	5,975	39	8.42	2.28	3.69	0.91	22.5	6.1	1.21	.300	3.98	8.57
9	Royals	3.96	641	162	2015	.586	95	67	162	3.73	1,160	2	1	56	1452.0	1,372	601	155	489	52	10	6,112	62	7.19	3.03	2.37	0.96	19.0	8.0	1.28	.286	3.97	8.50
10	Rays	3.96	642	162	2015	.494	80	82	162	3.74	1,355	1	1	60	1453.1	1,314	604	175	477	46	23	6,069	81	8.39	2.95	2.84	1.08	22.3	7.9	1.23	.284	3.98	8.14
11	Indians	3.98	640	161	2015	.503	81	80	161	3.67	1,407	11	1	38	1432.2	1,274	584	161	425	48	27	5,904	48	8.84	2.67	3.31	1.01	23.8	7.2	1.19	.288	4.02	8.00
12	Blue Jays	4.14	670	162	2015	.574	93	69	162	3.80	1,117	7	2	34	1441.0	1,353	609	173	397	59	20	5,984	62	6.98	2.48	2.81	1.08	18.7	6.6	1.21	.278	4.18	8.45
13	Angels	4.17	675	162	2015	.525	85	77	162	3.94	1,221	2	2	46	1440.2	1,355	630	166	466	71	45	6,096	61	7.63	2.91	2.62	1.04	20.0	7.6	1.26	.285	4.22	8.46
14	Marlins	4.19	678	162	2015	.438	71	91	162	4.02	1,152	0	0	35	1427.0	1,374	638	141	508	52	25	6,050	53	7.27	3.20	2.27	0.89	19.0	8.4	1.32	.294	4.28	8.67
15	Orioles	4.28	693	162	2015	.500	81	81	162	4.05	1,233	0	0	43	1434.2	1,406	646	174	483	54	27	6,085	46	7.73	3.03	2.55	1.09	20.3	7.9	1.32	.298	4.35	8.82
16	Yankees	4.31	698	162	2015	.537	87	75	162	4.03	1,370	3	0	48	1457.2	1,416	652	182	474	56	16	6,191	78	8.46	2.93	2.89	1.12	22.1	7.7	1.30	.300	4.31	8.74
17	Twins	4.32	700	162	2015	.512	83	79	162	4.07	1,046	2	0	45	1443.0	1,506	653	163	413	41	34	6,139	54	6.52	2.58	2.53	1.02	17.0	6.7	1.33	.300	4.37	9.39
18	White Sox	4.33	701	162	2015	.469	76	86	162	3.98	1,359	7	4	37	1452.2	1,443	643	162	474	62	34	6,181	61	8.42	2.94	2.87	1.00	22.0	7.7	1.32	.311	4.34	8.94
19	Diamondbacks	4.4	713	162	2015	.488	79	83	162	4.04	1,215	1	1	44	1466.2	1,450	659	182	500	48	45	6,257	51	7.46	3.07	2.43	1.12	19.4	8.0	1.33	.294	4.38	8.90
20	Mariners	4.48	726	162	2015	.469	76	86	162	4.16	1,283	6	5	45	1463.0	1,430	677	181	491	70	41	6,223	72	7.89	3.02	2.61	1.11	20.6	7.9	1.31	.298	4.47	8.80
21	Athletics	4.5	729	162	2015	.420	68	94	162	4.14	1,179	5	3	28	1444.2	1,402	664	172	474	47	19	6,128	62	7.34	2.95	2.49	1.07	19.2	7.7	1.30	.289	4.54	8.73
22	Padres	4.51	731	162	2015	.457	74	88	162	4.09	1,393	1	0	41	1440.1	1,371	655	171	516	54	35	6,093	54	8.70	3.22	2.70	1.07	22.9	8.5	1.31	.303	4.57	8.57
23	Rangers	4.52	733	162	2015	.543	88	74	162	4.24	1,095	5	3	45	1442.2	1,459	680	171	508	63	29	6,215	51	6.83	3.17	2.16	1.07	17.6	8.2	1.36	.294	4.57	9.10
24	Brewers	4.55	737	162	2015	.420	68	94	162	4.28	1,260	1	0	40	1435.0	1,432	682	176	517	55	36	6,148	71	7.90	3.24	2.44	1.10	20.5	8.4	1.36	.303	4.62	8.98
25	Red Sox	4.65	753	162	2015	.481	78	84	162	4.31	1,218	3	1	40	1448.1	1,486	694	178	478	62	17	6,225	79	7.57	2.97	2.55	1.11	19.6	7.7	1.36	.305	4.68	9.23