which team has the highest ops+ in a season

The Baltimore Orioles have the highest OPS by a team in a season, with an OPS of .901 in 1894.

	TEAM	OPS	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
1	Orioles	.901	1894	129	.695	89	39	4,799	1,171	1,647	271	150	33	976	516	98	200	324		5,564	2,317	454	151				.343	.418	.483
2	Phillies	.893	1894	132	.555	71	57	5,089	1,179	1,780	259	137	40	1,007	508	58	254	285		5,777	2,433	436	122				.350	.415	.478
3	Beaneaters	.885	1894	133	.629	83	49	5,011	1,220	1,658	272	94	103	1,043	535	47	261	241		5,657	2,427	469	64				.331	.401	.484
4	Yankees	.872	1927	155	.714	110	44	5,354	976	1,644	291	103	158	907	642	22	610	90	64	6,222	2,615	552	204				.307	.384	.488
5	Yankees	.872	1930	154	.558	86	68	5,447	1,062	1,683	298	110	152	985	644	19	569	91	60	6,272	2,657	560	162				.309	.384	.488
6	Yankees	.864	1936	155	.667	102	51	5,591	1,065	1,676	315	83	182	997	700	33	593	77	40	6,391	2,703	580	67				.300	.381	.483
7	Cubs	.859	1930	156	.584	90	64	5,581	998	1,722	305	72	171	940	588	37	635	70		6,354	2,684	548	148				.309	.378	.481
8	Red Sox	.851	2003	162	.586	95	67	5,769	961	1,667	371	40	238	932	620	53	943	88	35	6,530	2,832	649	24	64	61	126	.289	.360	.491
9	Mariners	.850	1996	161	.528	85	76	5,668	993	1,625	343	19	245	954	670	75	1,052	90	39	6,517	2,741	607	46	58	57	121	.287	.366	.484
10	Red Sox	.848	1950	154	.610	94	60	5,516	1,027	1,665	287	61	161	974	719	25	580	32	17	6,322	2,557	509	62			153	.302	.385	.464
11	Astros	.848	2019	162	.660	107	55	5,613	920	1,538	323	28	288	891	645	66	1,166	67	27	6,391	2,781	639	10	57	17	146	.274	.352	.495
12	Braves	.845	2023	162	.642	104	58	5,597	947	1,543	293	23	307	916	538	67	1,289	132	27	6,247	2,803	623	2	43	20	128	.276	.344	.501
13	Phillies	.844	1895	133	.595	78	53	5,037	1,068	1,664	272	73	61	930	463	69	262	276		5,689	2,265	406	120				.330	.394	.450
14	Indians	.844	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
15	Phillies	.843	1929	154	.464	71	82	5,484	897	1,693	305	51	153	841	573	24	470	59		6,216	2,559	509	135				.309	.377	.467
16	Cardinals	.843	1930	154	.597	92	62	5,512	1,004	1,732	373	89	104	942	479	28	496	72		6,204	2,595	566	185				.314	.372	.471
17	Giants	.842	1930	154	.565	87	67	5,553	959	1,769	264	83	143	880	422	21	382	59		6,161	2,628	490	165				.319	.369	.473
18	Indians	.840	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
19	Yankees	.840	1931	155	.614	94	59	5,608	1,067	1,667	276	78	155	990	750	28	554	139	68	6,473	2,564	509	87				.297	.383	.457
20	Dodgers	.840	1953	155	.682	105	49	5,373	955	1,529	274	59	208	887	655	35	686	90	47	6,138	2,545	541	75			115	.285	.366	.474
21	Rangers	.840	1999	162	.586	95	67	5,651	945	1,653	304	29	230	897	611	29	937	111	54	6,388	2,705	563	35	62	41	147	.293	.361	.479
22	Mariners	.839	1997	162	.556	90	72	5,614	925	1,574	312	21	264	890	626	49	1,110	89	40	6,384	2,720	597	46	49	53	146	.280	.355	.485
23	Yankees	.839	2009	162	.636	103	59	5,660	915	1,604	325	21	244	881	663	54	1,014	111	28	6,447	2,703	590	31	39	35	144	.283	.362	.478
24	Indians	.839	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
25	Yankees	.838	1921	153	.641	98	55	5,250	948	1,576	284	87	134	875	575	41	571	89	64	6,056	2,436	505	190				.300	.374	.464