highest mlb run differential by team in season in last 100 years

Between May 30, 1925 and May 30, 2025, the New York Yankees have 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	905	701	36	543	72		6,129	2,388	480	92			99	.287	.374	.451	.825
2	Yankees	376	1927	155	.714	110	44	5,353	975	1,644	291	103	158	907	642	22	612	90		6,220	2,615	552	203				.307	.384	.489	.872
3	Dodgers	334	2022	162	.685	111	51	5,526	847	1,418	325	31	212	812	607	56	1,374	98	18	6,245	2,441	568	3	53	22	85	.257	.333	.442	.775
4	Yankees	334	1936	155	.667	102	51	5,591	1,065	1,676	315	83	182	995	702	33	594	77		6,393	2,703	580	67				.300	.381	.483	.865
5	Yankees	309	1998	162	.704	114	48	5,643	965	1,625	290	31	207	907	653	57	1,025	153	63	6,444	2,598	528	32	59	34	145	.288	.364	.460	.825
6	Yankees	308	1937	157	.662	102	52	5,487	979	1,554	282	73	174	922	710	34	609	60		6,292	2,504	529	61				.283	.369	.456	.825
7	Yankees	307	1931	155	.614	94	59	5,608	1,067	1,667	277	78	155	993	750	28	560	139		6,473	2,565	510	87				.297	.383	.457	.840
8	Mariners	300	2001	162	.716	116	46	5,680	927	1,637	310	38	169	881	614	62	989	174	42	6,474	2,530	517	48	70	54	112	.288	.360	.445	.805
9	Yankees	294	1942	154	.669	103	51	5,305	801	1,429	223	57	108	745	591	29	556	69		6,009	2,090	388	84			103	.269	.346	.394	.740
10	Athletics	286	1929	151	.693	104	46	5,202	901	1,539	288	76	122	843	542	29	440	63		5,988	2,345	486	215				.296	.365	.451	.816
11	Cardinals	282	1944	157	.682	105	49	5,476	772	1,507	274	59	100	722	544	27	473	37		6,172	2,199	433	125			96	.275	.344	.402	.745
12	Astros	280	2019	162	.660	107	55	5,613	920	1,538	323	28	288	891	645	66	1,166	67	27	6,391	2,781	639	10	57	17	146	.274	.352	.495	.848
13	Yankees	278	1932	156	.695	107	47	5,477	1,002	1,564	279	82	160	954	766	27	526	77		6,346	2,487	521	76				.286	.376	.454	.830
14	Cardinals	275	1942	156	.688	106	48	5,421	755	1,454	282	69	60	682	551	22	507	71		6,124	2,054	411	130			90	.268	.338	.379	.717
15	Dodgers	273	2019	162	.654	106	56	5,493	886	1,414	302	20	279	861	607	81	1,356	57	10	6,281	2,593	601	55	45	47	100	.257	.338	.472	.810
16	Indians	272	1948	156	.626	97	58	5,446	840	1,534	242	54	155	802	646	24	575	54		6,201	2,349	451	85			132	.282	.360	.431	.792
17	Dodgers	269	2021	162	.654	106	56	5,445	830	1,330	247	24	237	799	613	104	1,408	65	17	6,239	2,336	508	32	45	36	96	.244	.330	.429	.759
18	Dodgers	266	1953	155	.682	105	49	5,373	955	1,529	274	59	208	886	655	35	686	90	47	6,138	2,545	541	75			115	.285	.366	.474	.840
19	Astros	263	2018	162	.636	103	59	5,453	797	1,390	278	18	205	763	565	61	1,197	71	26	6,138	2,319	501	14	45	19	156	.255	.329	.425	.754
20	Orioles	262	1969	162	.673	109	53	5,518	779	1,465	235	29	175	723	634	43	806	82	45	6,328	2,283	439	74	59	62	138	.265	.343	.414	.756
21	Yankees	256	1938	157	.651	99	53	5,410	966	1,480	283	63	174	917	749	39	616	91		6,259	2,411	520	61				.274	.366	.446	.812
22	Indians	254	2017	162	.630	102	60	5,511	818	1,449	333	29	212	780	604	50	1,153	88	23	6,233	2,476	574	23	45	30	125	.263	.339	.449	.788
23	Astros	254	1998	162	.630	102	60	5,641	874	1,578	326	28	166	818	621	72	1,122	155	51	6,441	2,458	520	58	49	52	146	.280	.356	.436	.792
24	Reds	254	1975	162	.667	108	54	5,581	840	1,515	278	37	124	779	691	35	916	168	36	6,418	2,239	439	66	45	67	122	.271	.353	.401	.754
25	Yankees	254	1953	151	.656	99	52	5,194	801	1,420	226	52	139	763	656	34	644	34	46	5,961	2,167	417	77			107	.273	.359	.417	.776