Edgar Martinez has the highest OPS by a designated hitter in a season, with an OPS of 1.107 in 1995.

Interpreted as:

most single season ops with a minimum of 3.1 PA per team game by a dh

	NAME	OPS	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	WRC	WRAA	WOBA	WRC+	BRAA
1	Edgar Martinez E. Martinez	1.107	1995	SEA	145	511	121	182	52	0	29	113	116	8	87	4	3	639	321	81	0	4	19	11	.356	.479	.628	152	72.5	.469	182	68.8
2	Travis Hafner T. Hafner	1.097	2006	CLE	129	454	100	140	31	1	42	117	100	7	111	0	0	563	299	74	0	2	16	10	.308	.439	.659	128	57	.450	176	55.6
3	Marcell Ozuna M. Ozuna	1.067	2020	ATL	60	228	38	77	14	0	18	56	38	0	60	0	0	267	145	32	0	1	3	3	.338	.431	.636	61	27.9	.444	178	26.6
4	David Ortiz D. Ortiz	1.066	2007	BOS	149	549	116	182	52	1	35	117	111	4	103	3	1	667	341	88	0	3	12	16	.332	.445	.621	149	66.2	.449	175	62.6
5	Shohei Ohtani S. Ohtani	1.066	2023	LAA	135	497	102	151	26	8	44	95	91	3	143	20	6	594	325	78	0	3	21	9	.304	.412	.654	129	56.8	.433	179	56.5
6	Frank Thomas F. Thomas	1.061	2000	CWS	159	582	115	191	44	0	43	143	112	5	94	1	3	707	364	87	0	8	18	13	.328	.436	.625	155	61.7	.441	160	57.6
7	Edgar Martinez E. Martinez	1.059	1996	SEA	139	499	121	163	52	2	26	103	123	8	84	3	3	634	297	80	0	4	12	15	.327	.464	.595	144	62.2	.450	164	56
8	Rafael Palmeiro R. Palmeiro	1.050	1999	TEX	158	565	96	183	30	1	47	148	97	3	69	2	4	674	356	78	0	9	14	13	.324	.420	.630	144	55.8	.436	156	50.9
9	David Ortiz D. Ortiz	1.049	2006	BOS	151	558	115	160	29	2	54	137	119	4	117	1	0	686	355	85	0	5	23	12	.287	.413	.636	142	56	.427	157	50.9
10	Shohei Ohtani S. Ohtani	1.036	2024	LAD	159	636	134	197	38	7	54	130	81	6	162	59	4	728	411	99	0	5	10	7	.310	.390	.646	156	70.5	.431	181	70.3
11	J.D. Martinez	1.031	2018	BOS	150	569	111	188	37	2	43	130	69	4	146	6	1	649	358	82	0	7	11	19	.330	.402	.629	136	59.7	.427	171	54.9
12	Nelson Cruz N. Cruz	1.031	2019	MIN	120	454	81	141	26	0	41	108	56	7	131	0	1	520	290	67	0	3	8	14	.311	.392	.639	109	43.8	.417	164	42.7
13	David Ortiz D. Ortiz	1.021	2016	BOS	151	537	79	169	48	1	38	127	80	2	86	2	0	626	333	87	0	7	15	22	.315	.401	.620	126	52.2	.419	163	47.1
14	Yordan Alvarez Y. Alvarez	1.019	2022	HOU	135	470	95	144	29	2	37	97	78	6	106	1	1	561	288	68	0	7	9	12	.306	.406	.613	116	52.1	.427	185	53.7
15	Jim Thome J. Thome	1.014	2006	CWS	143	490	108	141	26	0	42	109	107	6	147	0	0	610	293	68	0	7	12	4	.288	.416	.598	123	46.5	.421	152	41.3
16	Shohei Ohtani S. Ohtani	1.014	2025	LAD	158	611	146	172	25	9	55	102	109	3	187	20	6	725	380	89	0	2	20	9	.282	.392	.622	147	61.7	.418	173	63.1
17	Manny Ramirez M. Ramirez	1.014	2001	BOS	142	529	93	162	33	2	41	125	81	8	147	0	1	620	322	76	0	2	25	9	.306	.405	.609	123	46.1	.415	155	43.3
18	Edgar Martinez E. Martinez	1.009	1997	SEA	155	542	104	179	35	1	28	108	119	11	86	2	4	678	300	64	0	6	11	21	.330	.456	.554	142	58.6	.436	164	55.5
19	Frank Thomas F. Thomas	1.006	1991	CWS	158	559	104	178	31	2	32	109	138	1	112	1	2	700	309	65	0	2	13	20	.318	.453	.553	146	66.8	.442	179	65.4
20	Paul Molitor P. Molitor	1.003	1987	MIL	118	465	114	164	41	5	16	75	69	2	67	45	10	542	263	62	5	1	2	4	.353	.438	.566	115	48.3	.433	165	44.5
21	Travis Hafner T. Hafner	1.003	2005	CLE	137	486	94	148	42	0	33	108	79	9	123	0	0	578	289	75	0	4	7	9	.305	.408	.595	116	46.3	.423	166	46.4
22	Edgar Martinez E. Martinez	1.002	2000	SEA	153	556	100	180	31	0	37	145	96	5	95	3	0	665	322	68	0	8	8	13	.324	.423	.579	136	48.4	.424	154	49
23	Edgar Martinez E. Martinez	1.001	1999	SEA	142	502	86	169	35	1	24	86	97	6	99	7	2	608	278	60	0	3	6	12	.337	.447	.554	128	48.8	.433	161	49.8
24	David Ortiz D. Ortiz	1.001	2005	BOS	159	601	119	180	40	1	47	148	102	1	124	1	0	713	363	88	0	9	9	13	.300	.397	.604	140	54.5	.418	157	49.5
25	Milton Bradley M. Bradley	.999	2008	TEX	126	414	78	133	32	1	22	77	80	9	112	5	3	509	233	55	0	6	13	10	.321	.436	.563	102	40.3	.424	159	37