which mlb team had the best run differential season 1990 to 1999

Between the 1990 and 1999 seasons, the New York Yankees had the highest run differential by a team in a season, with a differential of 309 runs in 1998.

	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	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
2	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
3	Braves	245	1998	162	.654	106	56	5,484	826	1,489	297	26	215	794	548	61	1,062	98	43	6,215	2,483	538	76	46	37	104	.272	.342	.453	.795
4	Indians	233	1995	144	.694	100	44	5,028	840	1,461	279	23	207	803	542	35	766	132	53	5,684	2,407	509	31	48	40	128	.291	.361	.479	.839
5	Diamondbacks	232	1999	162	.617	100	62	5,658	908	1,566	289	46	216	865	588	48	1,045	137	39	6,415	2,595	551	61	60	52	94	.277	.347	.459	.805
6	Braves	210	1997	162	.623	101	61	5,528	791	1,490	268	37	174	755	597	52	1,160	108	58	6,312	2,354	479	83	52	45	143	.270	.343	.426	.769
7	Braves	208	1993	162	.642	104	58	5,515	767	1,444	239	29	169	712	560	36	946	125	48	6,234	2,248	437	73	50	46	127	.262	.331	.408	.739
8	Yankees	203	1997	162	.593	96	66	5,710	891	1,636	325	23	161	846	676	37	954	99	58	6,527	2,490	509	34	70	51	138	.287	.362	.436	.798
9	Indians	183	1996	161	.615	99	62	5,681	952	1,665	335	23	218	904	671	43	844	160	50	6,486	2,700	576	34	57	44	164	.293	.369	.475	.844
10	Braves	179	1999	162	.636	103	59	5,569	840	1,481	309	23	197	791	608	53	962	148	66	6,351	2,427	529	74	47	62	120	.266	.341	.436	.777
11	Giants	172	1993	162	.636	103	59	5,557	808	1,534	269	33	168	759	516	46	930	120	65	6,271	2,373	470	102	50	88	121	.276	.340	.427	.767
12	Yankees	169	1999	162	.605	98	64	5,568	900	1,568	302	36	193	855	718	55	978	104	57	6,416	2,521	531	22	53	47	137	.282	.366	.453	.819
13	Athletics	163	1990	162	.636	103	59	5,433	733	1,379	209	22	164	693	651	46	992	141	54	6,238	2,124	395	60	48	38	122	.254	.336	.391	.727
14	Mets	162	1990	162	.562	91	71	5,504	775	1,410	278	21	172	734	536	32	851	110	33	6,182	2,246	471	54	56	65	89	.256	.323	.408	.731
15	Reds	154	1999	163	.589	96	67	5,649	865	1,536	312	37	209	820	569	45	1,125	164	54	6,377	2,549	558	70	44	37	107	.272	.341	.451	.792
16	Indians	149	1999	162	.599	97	65	5,634	1,009	1,629	309	32	209	960	743	55	1,099	147	50	6,553	2,629	550	54	67	41	136	.289	.373	.467	.840
17	Astros	148	1999	162	.599	97	65	5,485	823	1,463	293	23	168	784	728	52	1,138	166	75	6,402	2,306	484	79	58	57	127	.267	.355	.420	.775
18	Red Sox	147	1998	162	.568	92	70	5,601	876	1,568	338	35	205	827	541	70	1,049	72	39	6,299	2,591	578	35	52	32	144	.280	.348	.463	.810
19	Mets	142	1999	163	.595	97	66	5,572	853	1,553	297	14	181	814	717	48	994	150	61	6,454	2,421	492	63	54	53	149	.279	.363	.434	.797
20	Phillies	137	1993	162	.599	97	65	5,685	877	1,555	297	51	156	811	665	42	1,049	91	32	6,527	2,422	504	84	51	70	107	.274	.351	.426	.777
21	Yankees	136	1994	113	.619	70	43	3,986	670	1,155	238	16	139	632	530	31	660	55	40	4,611	1,842	393	27	37	34	112	.290	.374	.462	.836
22	Brewers	136	1992	162	.568	92	70	5,504	740	1,477	272	35	82	683	511	33	779	256	115	6,181	2,065	389	61	72	45	102	.268	.330	.375	.705
23	Pirates	136	1991	162	.605	98	64	5,449	768	1,433	259	50	126	725	620	35	901	124	46	6,269	2,170	435	99	66	62	111	.263	.338	.398	.737
24	White Sox	135	1994	113	.593	67	46	3,942	633	1,133	175	39	121	602	497	20	568	77	27	4,556	1,749	335	51	46	47	91	.287	.366	.444	.810
25	Orioles	131	1997	162	.605	98	64	5,584	812	1,498	264	22	196	780	586	65	952	63	26	6,340	2,394	482	46	59	44	121	.268	.341	.429	.770