The Seattle Mariners have an OPS of .729 all-time.

	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	Mariners	.693	1977	162	.395	64	98	5,460	624	1,398	218	33	133	589	426	35	769	110	67	6,044	2,081	384	81	42	22	114	.256	.312	.381
2	Mariners	.673	1978	160	.350	56	104	5,358	614	1,327	229	37	97	571	522	22	702	123	47	6,023	1,921	363	68	53	25	112	.248	.314	.359
3	Mariners	.735	1979	162	.414	67	95	5,544	711	1,490	250	52	132	676	515	28	725	126	52	6,202	2,240	434	61	54	45	158	.269	.331	.404
4	Mariners	.664	1980	163	.364	59	103	5,489	610	1,359	211	35	104	564	483	19	727	116	62	6,141	1,952	350	106	44	44	136	.248	.308	.356
5	Mariners	.682	1981	110	.404	44	65	3,780	426	950	148	13	89	406	329	27	553	100	50	4,201	1,391	250	41	24	24	70	.251	.314	.368
6	Mariners	.692	1982	162	.469	76	86	5,626	651	1,431	259	33	130	614	456	22	806	131	82	6,181	2,146	422	42	35	31	113	.254	.311	.381
7	Mariners	.661	1983	162	.370	60	102	5,336	558	1,280	247	31	111	536	460	24	840	144	80	5,905	1,922	389	40	45	31	113	.240	.301	.360
8	Mariners	.708	1984	162	.457	74	88	5,546	682	1,429	244	34	129	635	519	42	871	116	62	6,211	2,128	407	66	38	35	101	.258	.324	.384
9	Mariners	.738	1985	162	.457	74	88	5,521	719	1,410	277	38	171	686	564	31	942	94	35	6,185	2,276	486	28	41	36	147	.255	.326	.412
10	Mariners	.724	1986	162	.414	67	95	5,498	718	1,392	243	41	158	681	572	34	1,148	93	76	6,185	2,191	442	52	29	38	125	.253	.326	.399
11	Mariners	.763	1987	162	.481	78	84	5,508	760	1,499	282	48	161	717	500	43	863	174	73	6,139	2,360	491	38	50	19	132	.272	.335	.428
12	Mariners	.716	1988	161	.422	68	93	5,436	664	1,397	271	27	148	617	461	38	787	95	61	6,017	2,166	446	40	42	24	135	.257	.317	.398
13	Mariners	.703	1989	162	.451	73	89	5,512	694	1,417	237	29	134	653	489	45	838	81	55	6,133	2,114	400	35	52	40	109	.257	.320	.384
14	Mariners	.707	1990	162	.475	77	85	5,474	640	1,419	251	26	107	610	596	40	749	105	51	6,205	2,043	384	41	54	41	140	.259	.333	.373
15	Mariners	.711	1991	162	.512	83	79	5,494	702	1,400	268	29	126	665	588	37	811	97	44	6,236	2,104	423	55	62	57	139	.255	.328	.383
16	Mariners	.725	1992	162	.395	64	98	5,564	679	1,466	278	24	149	638	474	38	841	100	55	6,179	2,239	451	52	51	47	148	.263	.323	.402
17	Mariners	.745	1993	162	.506	82	80	5,494	734	1,429	272	24	161	681	624	56	901	91	68	6,288	2,232	457	63	51	73	132	.260	.339	.406
18	Mariners	.786	1994	112	.438	49	63	3,883	569	1,045	211	18	153	549	372	26	652	48	21	4,361	1,751	382	48	32	42	87	.269	.335	.451
19	Mariners	.798	1995	145	.545	79	66	4,996	796	1,377	276	20	182	767	549	39	871	110	41	5,670	2,239	478	52	34	53	109	.276	.350	.448
20	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
21	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
22	Mariners	.812	1998	161	.472	76	85	5,628	859	1,553	321	28	234	822	558	57	1,081	115	39	6,327	2,632	583	36	48	26	107	.276	.345	.468
23	Mariners	.798	1999	162	.488	79	83	5,572	859	1,499	263	21	244	825	610	42	1,095	130	45	6,310	2,536	528	38	48	38	114	.269	.343	.455
24	Mariners	.803	2000	162	.562	91	71	5,497	907	1,481	300	26	198	869	775	48	1,073	122	56	6,444	2,427	524	63	61	34	129	.269	.361	.442
25	Mariners	.805	2001	162	.716	116	46	5,680	927	1,637	310	38	169	881	614	62	989	174	42	6,474	2,530	517	48	70	54	112	.288	.360	.445
	Total	.729		7,633	.477	3,641	3,990	260,408	33,892	66,912	12,470	1,260	7,771	32,200	24,672	2,373	50,037	5,055	2,177	291,489	105,215	21,501	1,951	2,085	1,671	5,706	.257	.325	.404