highest regular season run differential by mlb champion in a season from 1930 to 1949

Between the 1930 and 1949 seasons, the New York Yankees had the highest run differential by a team with more than 0 championships in a season, with a differential of 411 runs in 1939.

	TEAM	DIFF	CHAMPS	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	1	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	334	1	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
3	Yankees	308	1	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
4	Cardinals	282	1	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
5	Yankees	278	1	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
6	Cardinals	275	1	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
7	Indians	273	1	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
8	Yankees	255	1	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	1	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	Yankees	226	1	1947	155	.630	97	57	5,308	794	1,439	230	72	115	748	610	27	581	27	23	6,031	2,158	417	86	122	.271	.349	.407	.756
11	Cardinals	201	1	1931	154	.656	101	53	5,435	815	1,554	353	74	60	751	432	32	475	114		5,989	2,235	487	90		.286	.342	.411	.753
12	Athletics	200	1	1930	154	.662	102	52	5,346	951	1,573	320	74	125	895	600	32	531	50	33	6,161	2,416	519	183		.294	.369	.452	.821
13	Yankees	199	1	1941	156	.656	101	53	5,444	830	1,464	243	60	151	774	616	28	564	51	33	6,137	2,280	454	49	102	.269	.346	.419	.765
14	Yankees	192	1	1949	155	.630	97	57	5,196	829	1,396	215	60	115	760	729	32	539	58	30	6,041	2,076	390	84	141	.269	.362	.400	.762
15	Reds	179	1	1940	155	.654	100	53	5,372	707	1,427	264	38	89	649	453	36	503	72		5,986	2,034	391	125	108	.266	.327	.379	.706
16	Cardinals	167	1	1946	156	.628	98	58	5,372	712	1,426	265	56	81	665	530	21	537	58		6,020	2,046	402	97	90	.265	.334	.381	.715
17	Cardinals	143	1	1934	154	.621	95	58	5,502	799	1,582	294	75	104	748	392	18	535	69		5,988	2,338	473	76	117	.288	.337	.425	.762
18	Yankees	127	1	1943	155	.636	98	56	5,282	669	1,350	218	59	100	635	624	25	561	46	60	6,024	1,986	377	93	132	.256	.337	.376	.713
19	Giants	122	1	1933	156	.599	91	61	5,461	636	1,437	204	41	82	598	377	15	477	31		5,939	1,969	327	86	137	.263	.312	.361	.673
20	Tigers	68	1	1945	155	.575	88	65	5,257	633	1,345	227	47	77	588	517	9	533	60	54	5,885	1,897	351	102	112	.256	.324	.361	.684