team with best run differential in a season from 1920 to 1940

Between the 1920 and 1940 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	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	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
7	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
8	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
9	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
10	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
11	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
12	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
13	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
14	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
15	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
16	Cubs	223	1929	156	.645	98	54	5,471	982	1,655	310	46	139	933	589	29	567	103		6,252	2,474	495	163		.303	.373	.452	.825
17	Cardinals	220	1930	154	.597	92	62	5,512	1,004	1,732	373	89	104	942	479	28	496	72		6,204	2,595	566	185		.314	.372	.471	.843
18	Giants	216	1924	154	.608	93	60	5,445	857	1,634	269	81	95	781	467	28	479	82	53	6,067	2,350	445	127		.300	.358	.432	.790
19	Indians	216	1921	154	.610	94	60	5,376	925	1,657	355	91	42	847	619	37	373	51	42	6,264	2,320	488	232		.308	.383	.432	.815
20	Athletics	213	1928	153	.641	98	55	5,241	828	1,541	326	75	89	760	532	37	435	59	54	6,006	2,284	490	196		.294	.363	.436	.799
21	Indians	212	1920	154	.636	98	56	5,203	856	1,575	301	95	35	757	574	36	376	73	93	6,067	2,171	431	254		.303	.376	.417	.793
22	Yankees	209	1928	154	.656	101	53	5,337	894	1,576	267	79	133	826	562	23	553	51	52	6,067	2,400	479	145		.295	.365	.450	.815
23	Senators	205	1930	154	.610	94	60	5,369	892	1,620	297	98	57	819	533	38	438	101	68	6,113	2,284	452	173		.302	.369	.425	.794
24	Yankees	205	1920	154	.617	95	59	5,174	837	1,447	268	71	115	751	532	23	621	64	81	5,901	2,202	454	172		.280	.349	.426	.775
25	Cardinals	204	1935	154	.623	96	58	5,457	829	1,548	286	59	86	762	404	19	521	71		5,977	2,210	431	97	100	.284	.335	.405	.740