mlb teams with the least allowed average runs per game in a season since 1950

The Boston Braves had 4.72 runs allowed per game pitched in 1950.

	TEAM	R/G	R	G	SEASON	W%	W	L	GS	ERA	SO	CG	SHO	SV	IP	H	ER	HR	BB	HBP	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Braves	4.72	736	156	1950	.539	83	71	156	4.14	615	88	7	10	1385.1	1,411	637	129	554	30	6,019	26	4.00	3.60	1.11	0.84	10.2	9.2	1.42	.273	4.78	9.17
2	Cubs	5.01	772	154	1950	.418	64	89	154	4.28	559	55	9	18	1371.1	1,452	652	130	593	27	6,048	31	3.67	3.89	0.94	0.85	9.2	9.8	1.49	.279	5.07	9.53
3	Reds	4.8	734	153	1950	.431	66	87	153	4.32	686	67	7	13	1357.2	1,363	651	145	582	41	5,945	32	4.55	3.86	1.18	0.96	11.5	9.8	1.43	.271	4.87	9.04
4	Pirates	5.56	857	154	1950	.373	57	96	154	4.96	556	42	6	16	1368.2	1,472	754	152	616	32	6,079	30	3.66	4.05	0.90	1.00	9.1	10.1	1.53	.279	5.64	9.68
5	Giants	4.18	643	154	1950	.558	86	68	154	3.71	596	70	18	15	1375.0	1,268	567	140	536	31	5,802	25	3.90	3.51	1.11	0.92	10.3	9.2	1.31	.251	4.21	8.30
6	Phillies	3.97	624	157	1950	.591	91	63	157	3.50	620	57	13	27	1406.0	1,324	546	122	530	13	5,896	28	3.97	3.39	1.17	0.78	10.5	9.0	1.32	.261	3.99	8.48
7	Dodgers	4.67	724	155	1950	.578	89	65	155	4.28	772	62	10	20	1389.2	1,397	661	163	591	21	5,977	27	5.00	3.83	1.31	1.06	12.9	9.9	1.43	.279	4.69	9.05
8	Cardinals	4.38	670	153	1950	.510	78	75	153	3.97	603	56	9	14	1356.0	1,398	598	119	535	25	5,863	20	4.00	3.55	1.13	0.79	10.3	9.1	1.43	.279	4.45	9.28
9	Red Sox	5.22	804	154	1950	.610	94	60	154	4.88	630	66	5	28	1362.1	1,413	739	121	748	23	6,085	27	4.16	4.94	0.84	0.80	10.4	12.3	1.59	.283	5.31	9.33
10	White Sox	4.8	749	156	1950	.390	60	94	156	4.41	566	62	7	9	1365.2	1,370	669	107	734	21	6,061	27	3.73	4.84	0.77	0.71	9.3	12.1	1.54	.273	4.94	9.03
11	Indians	4.22	654	155	1950	.597	92	62	155	3.75	674	69	10	16	1378.2	1,289	575	120	647	18	5,948	23	4.40	4.22	1.04	0.78	11.3	10.9	1.40	.260	4.27	8.41
12	Tigers	4.54	713	157	1950	.617	95	59	157	4.12	576	72	9	20	1407.1	1,444	645	141	553	31	6,076	22	3.68	3.54	1.04	0.90	9.5	9.1	1.42	.273	4.56	9.23
13	Browns	5.95	916	154	1950	.377	58	96	154	5.20	448	56	7	14	1365.1	1,629	789	129	651	32	6,285	28	2.95	4.29	0.69	0.85	7.1	10.4	1.67	.299	6.04	10.74
14	Athletics	5.93	913	154	1950	.338	52	102	154	5.49	466	50	3	18	1346.1	1,528	821	138	729	30	6,167	40	3.12	4.87	0.64	0.92	7.6	11.8	1.68	.289	6.10	10.21
15	Senators	5.25	813	155	1950	.435	67	87	155	4.66	486	59	7	18	1364.2	1,479	706	99	648	26	6,110	27	3.21	4.27	0.75	0.65	8.0	10.6	1.56	.284	5.36	9.75
16	Yankees	4.46	691	155	1950	.636	98	56	155	4.15	712	66	11	31	1372.2	1,322	633	118	708	35	6,002	20	4.67	4.64	1.01	0.77	11.9	11.8	1.48	.272	4.53	8.67
17	Braves	4.27	662	155	1951	.494	76	78	155	3.75	604	73	16	12	1389.0	1,378	578	96	595	32	6,019	31	3.91	3.86	1.02	0.62	10.0	9.9	1.42	.273	4.29	8.93
18	Cubs	4.84	750	155	1951	.403	62	92	155	4.34	544	48	10	10	1385.2	1,416	668	125	572	29	6,028	43	3.53	3.72	0.95	0.81	9.0	9.5	1.43	.271	4.87	9.20
19	Reds	4.3	667	155	1951	.442	68	86	155	3.70	584	55	14	23	1390.2	1,357	572	119	490	42	5,938	34	3.78	3.17	1.19	0.77	9.8	8.3	1.33	.263	4.32	8.78
20	Pirates	5.45	845	155	1951	.416	64	90	155	4.79	580	40	9	22	1380.1	1,479	735	157	627	31	6,132	27	3.78	4.09	0.93	1.02	9.5	10.2	1.53	.279	5.51	9.64
21	Giants	4.08	641	157	1951	.624	98	59	157	3.48	625	64	9	18	1412.2	1,334	546	148	482	20	5,945	26	3.98	3.07	1.30	0.94	10.5	8.1	1.29	.254	4.08	8.50
22	Phillies	4.18	644	154	1951	.474	73	81	154	3.81	570	57	18	15	1384.2	1,373	586	110	496	22	5,903	32	3.70	3.22	1.15	0.71	9.7	8.4	1.35	.268	4.19	8.92
23	Dodgers	4.25	672	158	1951	.618	97	60	158	3.88	693	64	10	13	1423.1	1,360	613	150	549	25	6,006	35	4.38	3.47	1.26	0.95	11.5	9.1	1.34	.264	4.25	8.60
24	Cardinals	4.33	671	155	1951	.526	81	73	155	3.95	546	58	9	21	1387.2	1,391	609	119	558	21	5,938	18	3.54	3.62	0.98	0.77	9.2	9.4	1.40	.271	4.35	9.02
25	Red Sox	4.71	725	154	1951	.565	87	67	154	4.14	658	46	7	26	1399.0	1,413	643	99	599	34	6,071	27	4.23	3.85	1.10	0.64	10.8	9.9	1.44	.281	4.66	9.09