highest regular season run differential by mlb champion in a season from 1970 to 1989

Between the 1970 and 1989 seasons, the Cincinnati Reds had the highest run differential by a team with more than 0 championships in a season, with a differential of 254 runs in 1975.

	TEAM	DIFF	CHAMPS	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	Reds	254	1	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
2	Reds	224	1	1976	162	.630	102	60	5,702	857	1,599	271	63	141	802	681	28	902	210	57	6,538	2,419	475	67	60	63	103	.280	.357	.424	.781
3	Orioles	218	1	1970	162	.667	108	54	5,545	792	1,424	213	25	179	748	717	44	952	84	39	6,416	2,224	417	64	46	64	110	.257	.344	.401	.745
4	Mets	205	1	1986	162	.667	108	54	5,558	783	1,462	261	31	148	730	631	31	968	118	48	6,348	2,229	440	75	53	68	122	.263	.339	.401	.740
5	Pirates	189	1	1971	162	.599	97	65	5,674	788	1,555	223	61	154	744	469	29	919	65	31	6,283	2,362	438	62	49	73	120	.274	.330	.416	.746
6	Tigers	186	1	1984	162	.642	104	58	5,644	829	1,529	254	46	187	788	602	34	941	106	68	6,373	2,436	487	48	45	51	102	.271	.342	.432	.774
7	Yankees	180	1	1977	162	.617	100	62	5,605	831	1,576	267	47	184	784	533	28	681	93	57	6,260	2,489	498	46	48	49	117	.281	.344	.444	.788
8	Yankees	153	1	1978	163	.613	100	63	5,583	735	1,489	228	38	125	693	505	42	695	98	42	6,219	2,168	391	37	52	45	126	.267	.329	.388	.718
9	Orioles	147	1	1983	162	.605	98	64	5,546	799	1,492	283	27	168	761	601	23	800	61	33	6,272	2,333	478	46	56	48	144	.269	.340	.421	.761
10	Athletics	147	1	1972	155	.600	93	62	5,200	604	1,248	195	29	134	565	463	47	886	87	48	5,846	1,903	358	100	36	55	112	.240	.306	.366	.672
11	Athletics	143	1	1973	162	.580	94	68	5,507	758	1,431	216	28	147	714	595	35	919	128	57	6,257	2,144	391	67	53	53	118	.260	.333	.389	.722
12	Athletics	138	1	1974	162	.556	90	72	5,331	689	1,315	205	37	132	637	568	38	876	164	93	6,048	1,990	374	60	51	48	108	.247	.321	.373	.694
13	Athletics	136	1	1989	162	.611	99	63	5,416	712	1,414	220	25	127	659	562	34	855	157	55	6,110	2,065	372	36	62	37	163	.261	.331	.381	.712
14	Pirates	132	1	1979	163	.605	98	64	5,661	775	1,541	264	52	148	710	483	32	855	180	66	6,330	2,353	464	98	56	102	113	.272	.330	.416	.746
15	Dodgers	94	1	1981	110	.573	63	47	3,751	450	984	133	20	82	427	331	17	550	73	46	4,188	1,403	235	62	27	38	83	.262	.323	.374	.697
16	Phillies	89	1	1980	162	.562	91	71	5,625	728	1,517	272	54	117	674	472	33	708	140	62	6,265	2,248	443	77	58	65	120	.270	.327	.400	.726
17	Dodgers	84	1	1988	162	.584	94	67	5,431	628	1,346	217	25	99	587	437	32	947	131	46	6,045	1,910	341	95	50	65	118	.248	.305	.352	.657
18	Cardinals	76	1	1982	162	.568	92	70	5,455	685	1,439	239	52	67	632	569	30	805	200	91	6,196	1,983	358	87	55	66	110	.264	.334	.364	.697
19	Royals	48	1	1985	162	.562	91	71	5,500	687	1,384	261	49	154	657	473	36	840	128	48	6,094	2,205	464	44	41	57	125	.252	.313	.401	.714
20	Twins	-20	1	1987	162	.525	85	77	5,441	786	1,422	258	35	196	733	523	38	898	113	65	6,088	2,338	489	47	39	45	128	.261	.328	.430	.758