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

Between the 1970 and 1989 seasons, the Baltimore Orioles had the highest run differential by a team with more than 0 championships in a postseason, with a differential of 30 runs in 1970.

	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	Orioles	30	1	1970	8	.875	7	1	280	60	86	14	0	16	56	32	1	52	1	2	318	148	30	3	2	4	7	.307	.378	.529	.906
2	Orioles	25	1	1983	9	.778	7	2	293	37	63	17	0	9	34	26	3	61	3	0	329	107	26	1	6	5	8	.215	.280	.365	.646
3	Athletics	23	1	1989	9	.889	8	1	304	58	87	17	4	16	53	38	2	54	17	3	349	160	37	3	2	3	4	.286	.367	.526	.893
4	Twins	23	1	1987	12	.667	8	4	409	72	110	23	4	15	71	49	8	61	10	2	471	186	42	3	2	6	3	.269	.357	.455	.812
5	Reds	22	1	1976	7	1.000	7	0	233	41	67	15	6	7	38	27	0	32	12	5	266	115	28	1	5	5	6	.288	.355	.494	.848
6	Tigers	18	1	1984	8	.875	7	1	265	37	65	8	1	11	37	32	2	44	11	4	306	108	20	4	3	1	4	.245	.328	.408	.735
7	Cardinals	18	1	1982	10	.700	7	3	348	56	101	20	5	5	50	32	1	42	8	3	391	146	30	6	4	4	3	.290	.348	.420	.768
8	Dodgers	17	1	1981	16	.625	10	6	523	55	121	15	3	13	53	45	3	101	13	1	586	181	31	12	3	9	10	.231	.294	.346	.641
9	Royals	16	1	1985	14	.571	8	6	463	54	119	21	3	9	52	50	2	107	9	8	524	173	33	7	2	9	10	.257	.331	.374	.704
10	Pirates	16	1	1979	10	.700	7	3	356	47	109	21	3	7	46	29	3	48	4	4	404	157	31	8	8	11	6	.306	.356	.441	.797
11	Yankees	15	1	1978	10	.700	7	3	362	55	110	11	1	8	52	23	2	58	5	3	389	147	20	1	1	2	7	.304	.348	.406	.754
12	Dodgers	14	1	1988	12	.667	8	4	410	52	93	15	2	8	49	38	3	90	13	5	455	136	25	2	2	4	4	.227	.296	.332	.628
13	Reds	11	1	1975	10	.700	7	3	346	48	88	13	3	11	47	34	2	58	20	2	389	140	27	2	5	4	4	.254	.320	.405	.725
14	Mets	9	1	1986	13	.615	8	5	467	53	108	10	2	10	48	35	1	100	11	2	515	152	22	7	5	9	8	.231	.283	.325	.609
15	Athletics	9	1	1974	9	.778	7	2	262	27	52	8	1	7	25	38	3	58	6	6	314	83	16	9	2	5	6	.198	.305	.317	.622
16	Pirates	8	1	1971	11	.636	7	4	382	47	95	13	2	13	44	31	3	80	7	1	421	151	28	5	0	5	1	.249	.310	.395	.705
17	Phillies	5	1	1980	11	.636	7	4	391	47	114	21	1	4	45	28	3	54	10	6	434	149	26	7	5	8	7	.292	.340	.381	.721
18	Athletics	-2	1	1972	12	.583	7	5	390	29	84	12	0	6	26	33	4	72	8	5	438	114	18	10	1	5	4	.215	.283	.292	.575
19	Yankees	-3	1	1977	11	.636	7	4	380	47	96	22	0	10	42	20	2	53	3	0	410	148	32	5	3	3	5	.253	.291	.389	.681
20	Athletics	-3	1	1973	12	.583	7	5	401	36	83	17	4	7	35	45	4	101	6	4	458	129	28	6	2	6	4	.207	.292	.322	.614