Billy Hatcher has the highest career OPS in the World Series when making 8+ plate appearances, with an OPS of 2.050.

Interpreted as:

highest ops by a player in a world series min 8 pa

	NAME	OPS	PA	SERIES	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG
1	Billy Hatcher B. Hatcher	2.050	15	World Series	4	12	6	9	4	1	0	2	2	1	0	0	1	15	5	0	0	1	1	.750	.800	1.250
2	Barry Bonds B. Bonds	1.994	30	World Series	7	17	8	8	2	0	4	6	13	0	3	0	0	22	6	0	0	7	0	.471	.700	1.294
3	Steve Pearce S. Pearce	1.667	16	World Series	5	12	5	4	1	0	3	8	4	0	0	0	0	14	4	0	0	0	0	.333	.500	1.167
4	Willie Aikens W. Aikens	1.638	26	World Series	6	20	5	8	0	1	4	8	6	0	8	0	0	22	5	0	0	0	0	.400	.538	1.100
5	Chris Sabo C. Sabo	1.611	18	World Series	4	16	2	9	1	0	2	5	2	0	2	0	1	16	3	0	0	0	0	.563	.611	1.000
6	Sean Casey S. Casey	1.556	18	World Series	5	17	2	9	2	0	2	5	0	1	2	0	0	17	4	0	0	0	0	.529	.556	1.000
7	Donn Clendenon D. Clendenon	1.509	16	World Series	4	14	4	5	1	0	3	4	2	0	6	0	0	15	4	0	0	0	0	.357	.438	1.071
8	Brian Giles B. Giles	1.500	8	World Series	5	4	1	2	1	0	0	2	4	0	1	0	1	3	1	0	0	0	0	.500	.750	.750
9	Amos Otis A. Otis	1.495	26	World Series	6	23	4	11	2	0	3	7	3	0	3	0	0	22	5	0	0	1	2	.478	.538	.957
10	Vic Wertz V. Wertz	1.493	18	World Series	4	16	2	8	2	1	1	3	2	0	2	0	0	15	4	0	0	0	0	.500	.556	.938
11	Bret Boone B. Boone	1.418	14	World Series	4	13	1	7	4	0	0	3	1	0	3	0	1	11	4	0	0	0	0	.538	.571	.846
12	Tim Teufel T. Teufel	1.389	10	World Series	3	9	1	4	1	0	1	1	1	0	2	0	0	8	2	0	0	0	0	.444	.500	.889
13	Pat Collins P. Collins	1.386	11	World Series	6	8	0	4	2	0	0	0	3	0	1	0	0	6	2	0		0	0	.500	.636	.750
14	David Ortiz D. Ortiz	1.372	59	World Series	14	44	14	20	6	0	3	14	14	0	5	0	0	35	9	0	1	4	0	.455	.576	.795
15	Dane Iorg D. Iorg	1.368	19	World Series	7	19	4	10	4	1	0	3	0	0	0	0	0	16	5	0	0	0	0	.526	.526	.842
16	Larry Walker L. Walker	1.366	17	World Series	4	14	2	5	2	0	2	3	2	0	2	0	0	13	4	1	0	0	0	.357	.438	.929
17	Danny Bautista D. Bautista	1.365	13	World Series	5	12	1	7	2	0	0	7	1	0	1	0	0	9	2	0	0	0	0	.583	.615	.750
18	Benny Ayala B. Ayala	1.357	8	World Series	5	7	2	3	0	0	1	3	1	0	0	0	0	6	1	0	0	0	0	.429	.500	.857
19	Kirk Gibson K. Gibson	1.342	24	World Series	6	19	5	7	0	0	3	9	4	1	4	3	1	16	3	0	0	0	0	.368	.500	.842
20	Joe Marty J. Marty	1.333	12	World Series	3	12	1	6	1	0	1	5	0	0	2	0	1	10	2	0		0	0	.500	.500	.833
21	Kurt Bevacqua K. Bevacqua	1.327	18	World Series	5	17	4	7	2	0	2	4	1	0	2	0	1	15	4	0	0	0	0	.412	.444	.882
22	Troy Glaus T. Glaus	1.313	30	World Series	7	26	7	10	3	0	3	8	4	0	6	0	0	22	6	0	0	1	1	.385	.467	.846
23	Alan Trammell A. Trammell	1.300	23	World Series	5	20	5	9	1	0	2	6	2	0	2	1	1	16	3	1	0	0	0	.450	.500	.800
24	Al Weis A. Weis	1.290	16	World Series	5	11	1	5	0	0	1	3	4	0	2	0	0	8	1	0	1	2	0	.455	.563	.727
25	Ivey Wingo I. Wingo	1.271	11	World Series	3	7	1	4	0	0	0	1	3	0	1	0	1	4	0	1		0	0	.571	.700	.571