team with best run differential in a season from 1920 to 1970

Between the 1920 and 1970 seasons, the New York Yankees had the highest run differential by a team in a season, with a differential of 411 runs in 1939.

	TEAM	DIFF	SEASON	G	W%	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Yankees	411	1939	152	.702	106	45	5,300	967	1,521	259	55	166	904	701	36	543	72	37	6,129	2,388	480	92			99	.287	.374	.451	.825
2	Yankees	371	1927	155	.714	110	44	5,354	976	1,644	291	103	158	907	642	22	610	90	64	6,222	2,615	552	204				.307	.384	.488	.872
3	Yankees	334	1936	155	.667	102	51	5,591	1,065	1,676	315	83	182	997	700	33	593	77	40	6,391	2,703	580	67				.300	.381	.483	.864
4	Yankees	308	1937	157	.662	102	52	5,487	979	1,554	282	73	174	921	712	34	607	60	36	6,294	2,504	529	61				.283	.369	.456	.825
5	Yankees	307	1931	155	.614	94	59	5,608	1,067	1,667	276	78	155	990	750	28	554	139	68	6,473	2,564	509	87				.297	.383	.457	.840
6	Yankees	294	1942	154	.669	103	51	5,305	801	1,429	223	57	108	744	591	29	556	69	33	6,009	2,090	388	84			103	.269	.346	.394	.740
7	Athletics	285	1929	151	.693	104	46	5,204	901	1,537	288	75	122	845	540	29	440	63	42	5,987	2,341	485	214				.295	.365	.450	.815
8	Cardinals	282	1944	157	.682	105	49	5,474	772	1,507	274	59	100	722	543	27	471	37		6,168	2,199	433	124			96	.275	.344	.402	.745
9	Yankees	278	1932	156	.695	107	47	5,476	1,002	1,564	279	82	160	954	765	27	526	77	66	6,344	2,487	521	76				.286	.376	.454	.830
10	Cardinals	275	1942	156	.688	106	48	5,422	755	1,454	282	69	60	680	551	22	505	71		6,125	2,054	411	130			90	.268	.338	.379	.717
11	Indians	273	1948	156	.626	97	58	5,446	840	1,534	242	54	155	801	646	24	575	54	44	6,201	2,349	451	85			132	.282	.360	.431	.792
12	Dodgers	266	1953	155	.682	105	49	5,373	955	1,529	274	59	208	887	655	35	686	90	47	6,138	2,545	541	75			115	.285	.366	.474	.840
13	Orioles	262	1969	162	.673	109	53	5,518	779	1,465	234	29	175	722	634	43	806	82	45	6,328	2,282	438	74	59	62	138	.265	.343	.414	.756
14	Yankees	255	1938	157	.651	99	53	5,410	966	1,480	283	63	174	918	749	39	617	91	28	6,259	2,411	520	61				.274	.366	.446	.812
15	Yankees	254	1953	151	.656	99	52	5,194	801	1,420	226	52	139	762	655	34	643	34	44	5,960	2,167	417	77			105	.273	.358	.417	.776
16	Tigers	253	1935	152	.616	93	58	5,423	918	1,573	301	83	106	841	628	19	453	70	45	6,182	2,358	490	112				.290	.366	.435	.801
17	Cubs	251	1935	154	.649	100	54	5,486	847	1,581	303	62	88	782	464	33	471	66		6,133	2,272	453	150			115	.288	.347	.414	.761
18	Tigers	251	1934	154	.656	101	53	5,471	959	1,643	349	53	74	871	636	24	526	125	55	6,232	2,320	476	101				.300	.376	.424	.800
19	Indians	242	1954	156	.721	111	43	5,222	746	1,368	188	39	156	714	637	23	668	30	33	6,048	2,102	383	107	59		114	.262	.341	.403	.744
20	Yankees	242	1954	155	.669	103	51	5,226	805	1,400	215	59	133	747	650	20	632	34	41	6,027	2,132	407	84	47		94	.268	.348	.408	.756
21	Yankees	242	1921	153	.641	98	55	5,250	948	1,576	284	87	134	875	575	41	571	89	64	6,056	2,436	505	190				.300	.374	.464	.838
22	Browns	234	1922	154	.604	93	61	5,425	868	1,684	292	94	98	785	471	35	380	136	75	6,130	2,458	484	199				.310	.369	.453	.822
23	Athletics	232	1931	153	.704	107	45	5,377	858	1,544	311	64	118	798	528	35	543	25	23	6,018	2,337	493	78				.287	.355	.435	.789
24	Dodgers	230	1942	155	.675	104	50	5,286	742	1,398	263	34	62	678	572	14	485	81		5,991	1,915	359	119			95	.264	.338	.362	.700
25	Athletics	230	1932	154	.610	94	60	5,535	981	1,606	303	52	172	923	650	21	629	37	24	6,300	2,529	527	94				.290	.367	.457	.824