lowest earned runs allowed by a team in a season min 162 games

The Chicago White Sox have allowed the fewest earned runs by a team with 162+ games pitched in a season, with 406 earned runs in 1967.

	TEAM	ER	G	SEASON	W%	W	L	GS	ERA	SO	CG	SHO	SV	IP	H	R	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	White Sox	406	162	1967	.549	89	73	162	2.45	927	36	17	39	1490.1	1,197	491	87	465	58	46	6,074	54	5.60	2.81	1.99	0.53	15.3	7.7	1.12	.245	2.97	7.23
2	Cardinals	409	162	1968	.599	97	65	162	2.49	971	63	27	32	1479.0	1,282	472	82	375	28	62	6,006	30	5.91	2.28	2.59	0.50	16.2	6.2	1.12	.264	2.87	7.80
3	Dodgers	425	162	1966	.586	95	67	162	2.62	1,084	52	13	34	1458.0	1,287	490	84	356	27	67	5,941	42	6.69	2.20	3.04	0.52	18.2	6.0	1.13	.274	3.02	7.94
4	Orioles	429	162	1968	.562	91	71	162	2.66	1,044	53	15	31	1451.0	1,111	497	101	502	46	42	5,864	53	6.48	3.11	2.08	0.63	17.8	8.6	1.11	.242	3.08	6.89
5	Indians	432	162	1968	.534	86	75	162	2.66	1,157	48	20	32	1464.1	1,087	504	98	540	53	64	5,966	42	7.11	3.32	2.14	0.60	19.4	9.1	1.11	.240	3.10	6.68
6	Dodgers	433	162	1968	.469	76	86	162	2.69	994	38	20	32	1449.1	1,293	509	65	414	37	79	5,951	43	6.17	2.57	2.40	0.40	16.7	7.0	1.18	.277	3.16	8.03
7	White Sox	440	163	1966	.512	83	79	163	2.68	896	38	19	34	1475.1	1,229	517	101	403	36	55	5,982	68	5.47	2.46	2.22	0.62	15.0	6.7	1.11	.248	3.15	7.50
8	Tigers	440	162	1904	.408	62	90	162	2.77	556	143	15	0	1430.0	1,345	627	16	433	69		5,894	37	3.50	2.73	1.28	0.10	9.4	7.3	1.24	.276	3.95	8.47
9	Giants	442	163	1968	.543	88	74	163	2.71	942	77	19	16	1468.2	1,302	529	86	344	24	87	5,990	56	5.77	2.11	2.74	0.53	15.7	5.7	1.12	.265	3.24	7.98
10	White Sox	444	162	1964	.605	98	64	162	2.72	955	44	16	45	1467.2	1,216	501	124	401	31	42	5,910	49	5.86	2.46	2.38	0.76	16.2	6.8	1.10	.248	3.07	7.46
11	White Sox	448	162	1968	.414	67	95	162	2.75	834	20	4	40	1468.0	1,290	527	97	451	66	69	6,080	40	5.11	2.76	1.85	0.59	13.7	7.4	1.19	.258	3.23	7.91
12	Tigers	449	164	1968	.636	103	59	164	2.71	1,115	59	16	29	1489.2	1,180	492	129	486	32	40	6,043	38	6.74	2.94	2.29	0.78	18.5	8.0	1.12	.246	2.97	7.13
13	Mets	449	163	1968	.451	73	89	163	2.72	1,014	45	17	33	1483.1	1,250	499	87	430	45	67	6,028	59	6.15	2.61	2.36	0.53	16.8	7.1	1.13	.261	3.03	7.58
14	Dodgers	451	162	2022	.685	111	51	162	2.80	1,465	1	1	43	1451.1	1,114	513	152	407	75	13	5,865	38	9.08	2.52	3.60	0.94	25.0	6.9	1.05	.255	3.18	6.91
15	Pirates	453	163	1968	.494	80	82	163	2.74	897	42	17	30	1487.1	1,322	532	73	485	36	61	6,140	51	5.43	2.93	1.85	0.44	14.6	7.9	1.21	.269	3.22	8.00
16	Yankees	455	164	1968	.512	83	79	164	2.79	831	45	11	27	1467.1	1,308	531	99	424	30	62	6,032	27	5.10	2.60	1.96	0.61	13.8	7.0	1.18	.260	3.26	8.02
17	Twins	461	162	1968	.488	79	83	162	2.89	996	46	13	29	1433.1	1,224	546	92	414	42	46	5,909	52	6.25	2.60	2.41	0.58	16.9	7.0	1.14	.259	3.43	7.69
18	Dodgers	461	162	1965	.599	97	65	162	2.81	1,079	58	17	35	1476.0	1,223	521	127	425	33	53	6,018	51	6.58	2.59	2.54	0.77	17.9	7.1	1.12	.252	3.18	7.46
19	Orioles	463	162	1969	.673	109	53	162	2.83	897	50	19	36	1473.2	1,194	517	117	498	22	55	5,972	34	5.48	3.04	1.80	0.71	15.0	8.3	1.15	.243	3.16	7.29
20	Astros	465	162	2022	.654	106	56	162	2.90	1,524	3	1	53	1445.1	1,121	518	134	458	60	6	5,856	56	9.49	2.85	3.33	0.83	26.0	7.8	1.09	.268	3.23	6.98
21	Dodgers	466	163	1963	.611	99	63	163	2.85	1,095	51	20	29	1469.2	1,329	550	111	402	33	74	6,083	45	6.71	2.46	2.72	0.68	18.0	6.6	1.18	.274	3.37	8.14
22	Angels	469	162	1964	.506	82	80	162	2.91	965	30	17	41	1450.2	1,273	551	100	530	50	54	6,062	42	5.99	3.29	1.82	0.62	15.9	8.7	1.24	.266	3.42	7.90
23	Athletics	472	162	1974	.556	90	72	162	2.95	755	49	11	28	1439.2	1,322	551	90	430	25	41	5,937	27	4.72	2.69	1.76	0.56	12.7	7.2	1.22	.266	3.44	8.26
24	Mets	473	162	1976	.531	86	76	162	2.94	1,025	53	17	25	1449.0	1,248	538	97	419	23	56	5,908	43	6.37	2.60	2.45	0.60	17.3	7.1	1.15	.265	3.34	7.75
25	Athletics	476	163	1968	.506	82	80	163	2.94	997	45	15	30	1455.2	1,220	544	124	505	31	78	6,009	55	6.16	3.12	1.97	0.77	16.6	8.4	1.19	.252	3.36	7.54