mlb teams with the least runs given up per game in a season from 1946 to 1980

Between the 1946 and 1980 seasons, the Baltimore Orioles allowed the fewest runs by a team in a season, with 430 runs in 1972.

	TEAM	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	Orioles	430	154	1972	.519	80	74	154	2.53	788	62	18	21	1371.2	1,116	386	85	395	15	52	5,493	35	5.17	2.59	1.99	0.56	14.3	7.2	1.10	.245	2.82	7.32
2	Athletics	457	155	1972	.600	93	62	155	2.58	862	42	15	43	1417.2	1,170	406	96	418	19	41	5,718	29	5.47	2.65	2.06	0.61	15.1	7.3	1.12	.248	2.90	7.43
3	Cardinals	472	162	1968	.599	97	65	162	2.49	971	63	27	32	1479.0	1,282	409	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
4	Dodgers	490	162	1966	.586	95	67	162	2.62	1,084	52	13	34	1458.0	1,287	425	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
5	White Sox	491	162	1967	.549	89	73	162	2.45	927	36	17	39	1490.1	1,197	406	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
6	Tigers	492	164	1968	.636	103	59	164	2.71	1,115	59	16	29	1489.2	1,180	449	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
7	Orioles	497	162	1968	.562	91	71	162	2.66	1,044	53	15	31	1451.0	1,111	429	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
8	Mets	499	163	1968	.451	73	89	163	2.72	1,014	45	17	33	1483.1	1,250	449	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
9	White Sox	501	162	1964	.605	98	64	162	2.72	955	44	16	45	1467.2	1,216	444	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
10	Indians	504	162	1968	.534	86	75	162	2.66	1,157	48	20	32	1464.1	1,087	432	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
11	Indians	504	156	1954	.721	111	43	156	2.78	678	77	12	38	1419.1	1,220	439	89	486	16		5,866	13	4.30	3.08	1.40	0.56	11.6	8.3	1.20	.246	3.20	7.74
12	Dodgers	509	162	1968	.469	76	86	162	2.69	994	38	20	32	1449.1	1,293	433	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
13	Pirates	512	155	1972	.619	96	59	155	2.81	838	39	9	48	1414.1	1,282	441	90	433	29	60	5,845	34	5.33	2.76	1.94	0.57	14.3	7.4	1.21	.268	3.26	8.16
14	Tigers	514	156	1972	.551	86	70	156	2.96	952	46	11	33	1388.1	1,212	457	101	465	47	41	5,748	41	6.17	3.01	2.05	0.65	16.6	8.1	1.21	.266	3.33	7.86
15	Orioles	517	162	1969	.673	109	53	162	2.83	897	50	19	36	1473.2	1,194	463	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
16	White Sox	517	163	1966	.512	83	79	163	2.68	896	38	19	34	1475.1	1,229	440	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
17	Indians	519	156	1972	.462	72	84	156	2.92	846	47	11	25	1410.0	1,232	457	123	534	40	92	5,877	43	5.40	3.41	1.58	0.79	14.4	9.1	1.25	.256	3.31	7.86
18	Dodgers	521	162	1965	.599	97	65	162	2.81	1,079	58	17	35	1476.0	1,223	461	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	White Sox	521	155	1954	.610	94	60	155	3.05	701	60	21	34	1383.0	1,255	469	94	517	12		5,776	23	4.56	3.36	1.36	0.61	12.1	9.0	1.28	.261	3.39	8.17
20	Dodgers	527	155	1972	.548	85	70	155	2.78	856	50	21	29	1403.0	1,196	434	83	429	34	36	5,795	43	5.49	2.75	2.00	0.53	14.8	7.4	1.16	.253	3.38	7.67
21	Yankees	527	155	1972	.510	79	76	155	3.05	625	35	14	39	1373.1	1,306	465	87	419	30	61	5,726	47	4.10	2.75	1.49	0.57	10.9	7.3	1.26	.267	3.45	8.56
22	White Sox	527	162	1968	.414	67	95	162	2.75	834	20	4	40	1468.0	1,290	448	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
23	Giants	529	163	1968	.543	88	74	163	2.71	942	77	19	16	1468.2	1,302	442	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
24	Orioles	530	158	1971	.639	101	57	158	2.99	793	71	13	22	1415.1	1,257	470	125	416	18	37	5,799	37	5.04	2.65	1.91	0.79	13.7	7.2	1.18	.255	3.37	7.99
25	Yankees	531	164	1968	.512	83	79	164	2.79	831	45	11	27	1467.1	1,308	455	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