which mlb team had the best run differential season 1970 to 1979

Between the 1970 and 1979 seasons, the Cincinnati Reds had the highest run differential by a team in a season, with a differential of 254 runs in 1975.

	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	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
2	Dodgers	237	1974	162	.630	102	60	5,557	798	1,511	231	34	139	744	597	28	820	149	75	6,332	2,227	404	86	64	95	117	.272	.342	.401	.743
3	Reds	224	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
4	Orioles	218	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
5	Phillies	213	1976	162	.623	101	61	5,528	770	1,505	259	45	110	708	542	40	793	127	70	6,236	2,184	414	59	67	55	119	.272	.338	.395	.733
6	Orioles	212	1971	158	.639	101	57	5,303	742	1,382	207	25	158	702	672	46	844	66	38	6,143	2,113	390	85	37	69	127	.261	.347	.398	.745
7	Orioles	193	1973	162	.599	97	65	5,537	754	1,474	229	48	119	692	648	43	752	146	64	6,335	2,156	396	58	49	49	126	.266	.345	.389	.734
8	Pirates	189	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
9	Dodgers	187	1977	162	.605	98	64	5,589	769	1,484	223	28	191	729	588	23	896	114	62	6,327	2,336	442	83	44	67	103	.266	.336	.418	.753
10	Yankees	180	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
11	Phillies	179	1977	162	.623	101	61	5,546	847	1,548	266	56	186	795	573	38	806	135	68	6,290	2,484	508	59	74	75	121	.279	.346	.448	.794
12	Pirates	179	1972	155	.619	96	59	5,490	691	1,505	251	47	110	654	404	25	871	49	30	6,021	2,180	408	52	50	69	110	.274	.324	.397	.721
13	Orioles	175	1979	159	.642	102	57	5,371	757	1,401	258	24	181	717	608	31	847	99	49	6,106	2,250	463	42	54	52	143	.261	.336	.419	.755
14	Royals	171	1977	162	.630	102	60	5,594	822	1,549	299	77	146	773	522	45	687	170	87	6,268	2,440	522	49	58	50	104	.277	.340	.436	.776
15	Yankees	155	1976	159	.610	97	62	5,555	730	1,496	231	36	120	681	470	35	616	163	65	6,156	2,159	387	50	46	36	94	.269	.328	.389	.716
16	Dodgers	154	1978	162	.586	95	67	5,437	727	1,435	251	27	149	686	610	20	818	137	52	6,225	2,187	427	111	47	76	101	.264	.338	.402	.740
17	Brewers	154	1978	162	.574	93	69	5,536	804	1,530	265	38	173	762	520	32	805	95	53	6,227	2,390	476	89	50	38	94	.276	.339	.432	.771
18	Yankees	153	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
19	Athletics	152	1975	162	.605	98	64	5,415	758	1,376	220	33	151	703	609	51	846	183	82	6,184	2,115	404	74	35	45	107	.254	.333	.391	.724
20	Reds	150	1972	154	.617	95	59	5,241	707	1,317	214	44	124	650	606	37	914	140	63	6,003	1,991	382	65	54	85	109	.251	.330	.380	.710
21	Red Sox	147	1977	161	.602	97	64	5,510	859	1,551	258	56	213	828	528	42	905	66	47	6,184	2,560	527	45	59	38	132	.281	.345	.465	.810
22	Pirates	147	1975	161	.571	92	69	5,489	712	1,444	255	47	138	669	468	38	832	49	28	6,111	2,207	440	76	40	55	124	.263	.323	.402	.725
23	Athletics	147	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
24	Reds	145	1974	163	.605	98	64	5,535	776	1,437	271	35	135	714	693	30	940	146	49	6,372	2,183	441	68	46	87	121	.260	.343	.394	.737
25	Athletics	143	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