Tom Wilson and Jim Mason are tied for the highest career slugging percentage in the postseason, with a slugging percentage of 4.000.

Interpreted as:

highest career slg by a player in playoffs

	NAME	SLG	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	OPS
1	Tom Wilson T. Wilson	4.000	2	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	Jim Mason J. Mason	4.000	5	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	Archie Bradley A. Bradley	3.000	3	1	0	1	0	1	0	2	0	0	0	0	0	1	3	1	0	0	0	0	1.000	1.000	4.000
4	Chuck Essegian C. Essegian	2.667	4	3	2	2	0	0	2	2	1	0	1	0	0	4	8	2	0	0	0	0	.667	.750	3.417
5	Keon Broxton K. Broxton	2.000	2	2	1	1	0	0	1	1	0	0	1	0	0	2	4	1	0	0	0	0	.500	.500	2.500
6	Jose Constanza J. Constanza	2.000	3	2	1	2	0	1	0	1	0	0	0	0	0	2	4	1	0	0	0	0	1.000	1.000	3.000
7	Jason Michaels J. Michaels	2.000	2	1	1	1	1	0	0	0	0	0	0	0	0	2	2	1	1	0	0	0	1.000	1.000	3.000
8	Chris Woodward C. Woodward	2.000	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
9	Steve Torrealba S. Torrealba	2.000	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
10	Turner Ward T. Ward	2.000	3	2	2	1	0	0	1	3	1	0	0	0	0	3	4	1	0	0	0	0	.500	.667	2.667
11	Mike Stanton M. Stanton	2.000	7	1	1	1	1	0	0	1	0	0	0	0	0	1	2	1	0	0	0	0	1.000	1.000	3.000
12	Jose Santiago J. Santiago	2.000	3	2	1	1	0	0	1	1	0	0	1	0	0	2	4	1	0	0	0	0	.500	.500	2.500
13	Bobby Bragan B. Bragan	2.000	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
14	Weldon Wyckoff W. Wyckoff	2.000	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
15	Mark Brouhard M. Brouhard	1.750	1	4	4	3	1	0	1	3	0	0	0	0	0	4	7	2	0	0	0	0	.750	.750	2.500
16	Dontrelle Willis D. Willis	1.667	6	3	1	3	0	1	0	0	0	0	0	0	0	3	5	1	0	0	0	0	1.000	1.000	2.667
17	Dusty Rhodes D. Rhodes	1.667	3	6	2	4	0	0	2	7	1	0	2	0	0	7	10	2	0	0	1	0	.667	.714	2.381
18	Eric Thames E. Thames	1.500	1	4	1	2	1	0	1	1	0	0	1	0	0	4	6	2	0	0	0	1	.500	.500	2.000
19	Doug Glanville D. Glanville	1.500	3	2	1	1	0	1	0	1	0	0	0	0	0	2	3	1	0	0	0	1	.500	.500	2.000
20	Brandon Woodruff B. Woodruff	1.333	7	3	1	1	0	0	1	1	1	0	1	0	0	5	4	1	1	0	0	0	.333	.500	1.833
21	Kevin Cash K. Cash	1.333	4	3	1	1	0	0	1	1	0	0	1	0	0	3	4	1	0	0	0	0	.333	.333	1.667
22	Bill Bathe B. Bathe	1.333	4	3	1	1	0	0	1	3	0	0	1	0	0	3	4	1	0	0	0	0	.333	.333	1.667
23	Jorge Mateo J. Mateo	1.200	3	5	1	4	2	0	0	1	0	0	1	0	0	5	6	2	0	0	0	0	.800	.800	2.000
24	Zach McKinstry Z. McKinstry	1.143	5	7	1	3	2	0	1	1	1	1	0	0	0	9	8	3	0	0	0	0	.429	.556	1.698
25	Eric Hinske E. Hinske	1.143	10	7	4	2	0	0	2	3	2	0	4	0	0	9	8	2	0	0	0	0	.286	.444	1.587