7 players are tied for the highest slugging percentage in a World Series, with a slugging percentage of 4.000. The first three are Michael A. Taylor, Bobby Kielty and Geoff Blum.

Interpreted as:

highest slugging% by a player in a world series

	NAME	SLG	SEASON	SERIES	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	OPS
1	Michael A. Taylor M. A. Taylor	4.000	2019	World Series	WSH	1	1	1	1	0	0	1	1	0	0	0	0	0	1	4	1	0	0	0	0	1.000	1.000	5.000
2	Bobby Kielty B. Kielty	4.000	2007	World Series	BOS	1	1	1	1	0	0	1	1	0	0	0	0	0	1	4	1	0	0	0	0	1.000	1.000	5.000
3	Geoff Blum G. Blum	4.000	2005	World Series	CWS	1	1	1	1	0	0	1	1	0	0	0	0	0	1	4	1	0	0	0	0	1.000	1.000	5.000
4	Jim Leyritz J. Leyritz	4.000	1999	World Series	NYY	2	1	1	1	0	0	1	2	1	0	0	0	0	2	4	1	0	0	0	0	1.000	1.000	5.000
5	Kirk Gibson K. Gibson	4.000	1988	World Series	LAD	1	1	1	1	0	0	1	2	0	0	0	0	0	1	4	1	0	0	0	0	1.000	1.000	5.000
6	Jim Mason J. Mason	4.000	1976	World Series	NYY	3	1	1	1	0	0	1	1	0	0	0	0	0	1	4	1	0	0	0	0	1.000	1.000	5.000
7	George Shuba G. Shuba	4.000	1953	World Series	BKN	2	1	1	1	0	0	1	2	0	0	0	0	0	1	4	1	0		0	0	1.000	1.000	5.000
8	Chuck Essegian C. Essegian	2.667	1959	World Series	LAD	4	3	2	2	0	0	2	2	1	0	1	0	0	4	8	2	0	0	0	0	.667	.750	3.417
9	Eric Hinske E. Hinske	2.000	2008	World Series	TBR	2	2	1	1	0	0	1	1	0	0	1	0	0	2	4	1	0	0	0	0	.500	.500	2.500
10	Al Leiter A. Leiter	2.000	1993	World Series	TOR	1	1	0	1	1	0	0	0	0	0	0	0	0	1	2	1	0	0	0	0	1.000	1.000	3.000
11	Ed Sprague E. Sprague	2.000	1992	World Series	TOR	3	2	1	1	0	0	1	2	1	0	0	0	0	3	4	1	0	0	1	0	.500	.667	2.667
12	Bill Bathe B. Bathe	2.000	1989	World Series	SFG	2	2	1	1	0	0	1	3	0	0	0	0	0	2	4	1	0	0	0	0	.500	.500	2.500
13	Kirt Manwaring K. Manwaring	2.000	1989	World Series	SFG	1	1	1	1	1	0	0	0	0	0	0	0	0	1	2	1	0	0	0	0	1.000	1.000	3.000
14	Jose Santiago J. Santiago	2.000	1967	World Series	BOS	3	2	1	1	0	0	1	1	0	0	1	0	0	2	4	1	0	0	0	0	.500	.500	2.500
15	Bobby Bragan B. Bragan	2.000	1947	World Series	BKN	1	1	0	1	1	0	0	1	0	0	0	0	0	1	2	1	0		0	0	1.000	1.000	3.000
16	Pat Collins P. Collins	2.000	1928	World Series	NYY	1	1	0	1	1	0	0	0	0	0	0	0	0	1	2	1	0		0	0	1.000	1.000	3.000
17	Rosy Ryan R. Ryan	2.000	1924	World Series	NYG	2	2	1	1	0	0	1	2	0	0	0	0	0	3	4	1	1		0	0	.500	.500	2.500
18	Weldon Wyckoff W. Wyckoff	2.000	1914	World Series	PHA	1	1	0	1	1	0	0	0	0	0	0	0	0	1	2	1	0		0	0	1.000	1.000	3.000
19	Olaf Henriksen O. Henriksen	2.000	1912	World Series	BSA	2	1	0	1	1	0	0	1	0	0	0	0	0	1	2	1	0		0	0	1.000	1.000	3.000
20	Lou Gehrig L. Gehrig	1.727	1928	World Series	NYY	4	11	5	6	1	0	4	9	6	0	0	0	0	17	19	5	0		0	0	.545	.706	2.433
21	Orel Hershiser O. Hershiser	1.667	1988	World Series	LAD	1	3	1	3	2	0	0	1	0	0	0	0	0	3	5	2	0	0	0	0	1.000	1.000	2.667
22	Lynn Jones L. Jones	1.667	1985	World Series	KCR	6	3	0	2	1	1	0	0	0	0	0	0	0	3	5	2	0	0	0	0	.667	.667	2.333
23	Jay Johnstone J. Johnstone	1.667	1981	World Series	LAD	3	3	1	2	0	0	1	3	0	0	0	0	0	3	5	1	0	0	0	0	.667	.667	2.333
24	Dusty Rhodes D. Rhodes	1.667	1954	World Series	NYG	3	6	2	4	0	0	2	7	1	0	2	0	0	7	10	2	0	0	1	0	.667	.714	2.381
25	Bobby Brown B. Brown	1.667	1947	World Series	NYY	4	3	2	3	2	0	0	3	1	0	0	0	0	4	5	2	0		0	0	1.000	1.000	2.667