Enny Romero had the highest OPS with 1+ at-bat in 2018, with an OPS of 3.000.

Interpreted as:

2018 highest MLB ops by a player minimum 1 at bat

	NAME	OPS	AB	SEASON	TM	G	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	Enny Romero E. Romero	3.000	1	2018	TOT	4	1	1	1	0	0	0	0	0	0	0	0	1	2	1	0	0	0	0	1.000	1.000	2.000	1	0.8	1.247	720	0.8
2	Kyle Gibson K. Gibson	2.000	2	2018	MIN	1	2	2	0	0	0	0	0	0	0	0	0	2	2	0	0	0	0	0	1.000	1.000	1.000	1	0.9	.880	482	0.9
3	Derek Law D. Law	2.000	1	2018	SFG	7	1	1	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	1.000	1	0.5	.880	476	0.5
4	Vidal Nuno V. Nuno	2.000	2	2018	TBR	1	0	2	0	0	0	1	0	0	0	0	0	2	2	0	0	0	0	0	1.000	1.000	1.000	1	0.9	.880	487	0.9
5	Randy Rosario R. Rosario	2.000	1	2018	CHC	43	1	1	0	0	0	1	1	0	0	0	0	2	1	0	0	0	0	0	1.000	1.000	1.000	1	0.8	.785	411	0.8
6	Chad Sobotka C. Sobotka	2.000	1	2018	ATL	14	0	1	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	1.000	1	0.5	.880	471	0.5
7	Kolby Allard K. Allard	2.000	1	2018	ATL	3	1	1	0	0	0	0	0	0	0	0	0	3	1	0	2	0	0	0	1.000	1.000	1.000	2	1.4	.880	471	1.4
8	A.J. Cole	1.667	3	2018	TOT	6	1	1	0	0	1	1	0	0	1	0	0	4	4	1	1	0	0	0	.333	.333	1.333	2	1.2	.677	336	1.2
9	Dan Jennings D. Jennings	1.667	3	2018	MIL	65	1	2	1	0	0	0	0	0	1	0	0	3	3	1	0	0	0	0	.667	.667	1.000	1	1	.709	359	0.9
10	Jesse Biddle J. Biddle	1.500	2	2018	ATL	56	0	1	1	0	0	1	0	0	0	0	0	2	2	1	0	0	0	0	.500	.500	1.000	1	0.5	.624	300	0.5
11	Ryder Jones R. Jones	1.500	8	2018	SFG	5	2	3	0	0	2	3	0	0	5	0	0	8	9	2	0	0	0	0	.375	.375	1.125	3	2	.618	301	2
12	Ryan Lavarnway R. Lavarnway	1.500	6	2018	PIT	6	1	4	1	0	0	1	0	0	1	0	0	6	5	1	0	0	0	0	.667	.667	.833	2	1.6	.648	319	1.6
13	Jorge López J. López	1.500	2	2018	TOT	10	1	1	1	0	0	2	0	0	1	0	0	2	2	1	0	0	0	0	.500	.500	1.000	1	0.5	.624	302	0.5
14	Dennis Santana D. Santana	1.500	2	2018	LAD	2	0	1	1	0	0	2	0	0	1	0	0	2	2	1	0	0	0	0	.500	.500	1.000	1	0.5	.624	307	0.5
15	Ryan Schimpf R. Schimpf	1.229	5	2018	LAA	5	2	1	0	0	1	2	2	0	3	0	0	7	4	1	0	0	0	0	.200	.429	.800	2	1	.487	216	1
16	Dustin Garneau D. Garneau	1.167	2	2018	CWS	1	0	1	0	0	0	1	1	0	0	0	0	3	1	0	0	0	0	0	.500	.667	.500	1	0.5	.523	241	0.5
17	Rick Porcello R. Porcello	1.143	7	2018	BOS	3	1	3	2	0	0	3	0	0	3	0	0	7	5	2	0	0	0	0	.429	.429	.714	2	1	.482	208	0.9
18	Mark Zagunis M. Zagunis	1.100	5	2018	CHC	5	0	2	1	0	0	1	1	0	1	0	0	6	3	1	0	0	0	0	.400	.500	.600	1	0.8	.469	200	0.7
19	Mike Trout M. Trout	1.088	471	2018	LAA	140	101	147	24	4	39	79	122	10	124	24	2	607	296	67	0	4	25	5	.312	.460	.628	136	65.3	.447	189	64.4
20	Mookie Betts M. Betts	1.078	520	2018	BOS	136	129	180	47	5	32	80	81	8	91	30	6	614	333	84	0	5	8	5	.346	.438	.640	139	67.2	.449	185	62.7
21	Luke Voit L. Voit	1.069	143	2018	TOT	47	30	46	5	0	15	36	17	1	43	0	0	161	96	20	0	0	0	3	.322	.398	.671	36	17.4	.447	188	17
22	Myles Straw M. Straw	1.067	9	2018	HOU	9	4	3	0	0	1	1	1	0	0	2	0	10	6	1	0	0	0	0	.333	.400	.667	2	1.1	.448	193	1.1
23	Michael Lorenzen M. Lorenzen	1.043	31	2018	CIN	54	5	9	1	0	4	10	2	0	9	0	0	34	22	5	1	0	0	4	.290	.333	.710	7	3.3	.432	172	3
24	J.D. Martinez	1.031	569	2018	BOS	150	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
25	Christian Yelich C. Yelich	1.000	574	2018	MIL	147	118	187	34	7	36	110	68	7	135	22	4	651	343	77	0	2	2	14	.326	.402	.598	133	57	.422	167	53.6