fewest runs per game allowed by a team from 1919 to 1948

Between the 1919 and 1948 seasons, the Cincinnati Reds had the fewest runs allowed per game pitched by a team, with 4.25.

	TEAM	R/G	R	G	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	Reds	4.25	19,604	4,609	.494	2,263	2,322	4,609	3.61	13,749	2,268	332	335	41194.1	42,697	16,530	1,659	12,435	656	175,155	550	3.00	2.72	1.11	0.36	7.8	7.1	1.34	.280	4.28	9.33
2	Cubs	4.27	19,759	4,622	.532	2,446	2,148	4,622	3.66	15,920	2,224	322	349	41360.2	43,089	16,807	2,098	13,863	761	177,638	685	3.46	3.02	1.15	0.46	9.0	7.8	1.38	.283	4.30	9.38
3	Cardinals	4.28	19,799	4,631	.568	2,609	1,982	4,631	3.63	16,394	2,193	348	442	41539.2	42,988	16,774	2,150	13,628	837	177,744	749	3.55	2.95	1.20	0.47	9.2	7.7	1.36	.282	4.29	9.31
4	Yankees	4.28	19,742	4,611	.614	2,815	1,767	4,611	3.68	17,059	2,400	330	505	41231.2	41,208	16,858	2,225	15,555	603	176,891	704	3.72	3.40	1.10	0.49	9.6	8.8	1.38	.276	4.31	8.99
5	Giants	4.31	19,826	4,602	.546	2,496	2,076	4,602	3.70	14,739	1,941	278	499	41074.2	42,464	16,904	2,595	13,315	642	175,752	730	3.23	2.92	1.11	0.57	8.4	7.6	1.36	.276	4.34	9.30
6	Pirates	4.41	20,385	4,618	.534	2,445	2,135	4,618	3.75	13,551	2,218	293	364	41206.0	43,609	17,156	2,028	12,379	732	176,907	647	2.96	2.70	1.09	0.44	7.7	7.0	1.36	.281	4.45	9.52
7	Dodgers	4.49	20,750	4,624	.516	2,365	2,221	4,624	3.77	16,510	2,069	292	440	41354.0	42,849	17,345	2,158	14,209	869	178,444	781	3.59	3.09	1.16	0.47	9.3	8.0	1.38	.281	4.52	9.33
8	Braves	4.59	21,119	4,599	.438	2,004	2,568	4,599	3.94	12,369	2,107	279	304	41134.2	44,282	18,001	2,113	13,688	707	177,840	579	2.71	2.99	0.90	0.46	7.0	7.7	1.41	.283	4.62	9.69
9	Indians	4.63	21,351	4,610	.525	2,405	2,178	4,610	3.97	15,230	2,204	291	417	41097.0	43,516	18,121	1,800	15,933	809	179,033	687	3.34	3.49	0.96	0.39	8.5	8.9	1.45	.287	4.68	9.53
10	Senators	4.77	22,006	4,612	.498	2,281	2,295	4,612	4.08	14,736	2,091	260	449	41131.0	43,550	18,632	1,832	16,254	796	179,487	802	3.22	3.56	0.91	0.40	8.2	9.1	1.45	.286	4.82	9.53
11	Tigers	4.81	22,283	4,633	.523	2,405	2,192	4,633	4.08	16,627	2,137	270	444	41339.1	43,758	18,736	2,204	16,460	917	180,824	714	3.62	3.58	1.01	0.48	9.2	9.1	1.46	.287	4.85	9.53
12	White Sox	4.83	22,210	4,594	.469	2,141	2,426	4,594	4.14	13,590	2,225	232	370	41022.0	44,052	18,877	2,296	15,350	763	178,842	733	2.98	3.37	0.89	0.50	7.6	8.6	1.45	.284	4.87	9.66
13	Red Sox	4.88	22,491	4,605	.464	2,124	2,449	4,605	4.24	14,178	2,098	236	348	40939.1	44,368	19,272	2,029	16,209	835	179,663	761	3.12	3.56	0.87	0.45	7.9	9.0	1.48	.289	4.94	9.75
14	Athletics	5.05	23,181	4,593	.457	2,086	2,478	4,593	4.33	14,700	2,084	208	377	40771.2	44,046	19,621	2,534	16,499	705	179,430	863	3.24	3.64	0.89	0.56	8.2	9.2	1.48	.286	5.12	9.72
15	Browns	5.22	24,119	4,618	.448	2,052	2,524	4,618	4.54	14,294	1,991	220	345	41018.1	45,805	20,713	2,696	16,958	771	181,983	742	3.14	3.72	0.84	0.59	7.9	9.3	1.53	.293	5.29	10.05
16	Phillies	5.46	25,070	4,595	.371	1,697	2,873	4,595	4.69	13,047	1,832	174	354	40644.0	47,338	21,183	2,620	15,193	959	181,153	865	2.89	3.36	0.86	0.58	7.2	8.4	1.54	.299	5.55	10.48