Between the 1990 and 2000 seasons, the New York Yankees had the best record by a team in a season, with a record of 114-48 in 1998.

	TEAM	REC	SEASON	W%	G	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	114-48	1998	.704	162	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	Indians	100-44	1995	.694	144	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
3	Braves	106-56	1998	.654	162	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	Expos	74-40	1994	.649	114	74	40	4,000	585	1,111	246	30	108	542	379	40	669	137	36	4,514	1,741	384	53	42	39	77	.278	.343	.435	.778
5	Braves	104-58	1993	.642	162	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
6	Braves	103-59	1999	.636	162	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
7	Giants	103-59	1993	.636	162	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
8	Athletics	103-59	1990	.636	162	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
9	Astros	102-60	1998	.630	162	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
10	Braves	90-54	1995	.625	144	90	54	4,814	645	1,202	210	27	168	618	520	40	933	73	43	5,464	1,970	405	56	34	37	106	.250	.326	.409	.735
11	Braves	101-61	1997	.623	162	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
12	Yankees	70-43	1994	.619	113	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
13	Diamondbacks	100-62	1999	.617	162	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
14	Indians	99-62	1996	.615	161	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
15	Yankees	98-64	1999	.605	162	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
16	Padres	98-64	1998	.605	162	98	64	5,490	749	1,390	292	30	167	715	604	48	1,072	79	37	6,243	2,243	489	56	45	40	112	.253	.330	.409	.739
17	Orioles	98-64	1997	.605	162	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
18	Braves	98-64	1992	.605	162	98	64	5,480	682	1,391	223	48	138	641	493	26	924	126	60	6,142	2,124	409	93	50	58	82	.254	.316	.388	.703
19	Pirates	98-64	1991	.605	162	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
20	Giants	97-65	2000	.599	162	97	65	5,519	925	1,535	304	44	226	889	709	51	1,032	79	39	6,418	2,605	574	73	66	60	131	.278	.362	.472	.834
21	Indians	97-65	1999	.599	162	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
22	Astros	97-65	1999	.599	162	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
23	Phillies	97-65	1993	.599	162	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
24	Red Sox	86-58	1995	.597	144	86	58	4,997	791	1,399	286	31	175	754	560	65	923	99	44	5,716	2,272	492	45	49	38	129	.280	.357	.455	.812
25	Braves	68-46	1994	.596	114	68	46	3,861	542	1,031	198	18	137	510	377	22	668	48	31	4,349	1,676	353	60	29	39	104	.267	.333	.434	.767