50 players are tied for the worst career strikeout percentage in the postseason, with a strikeout percentage of 100.0. The first three are Miles Mastrobuoni, Dalton Rushing and Otto Kemp.

Interpreted as:

highest playoff strikeout percentage by a player

	NAME	SO%	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Miles Mastrobuoni M. Mastrobuoni	100.0	1	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000
2	Dalton Rushing D. Rushing	100.0	1	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000
3	Otto Kemp O. Kemp	100.0	1	2	0	0	0	0	0	0	0	0	2	0	0	2	0	0	0	0	0	0	.000	.000	.000	.000
4	Elias Díaz E. Díaz	100.0	1	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000
5	Jonathan Aranda J. Aranda	100.0	1	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000
6	Luis Guillorme L. Guillorme	100.0	1	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000
7	Vaughn Grissom V. Grissom	100.0	3	4	0	0	0	0	0	0	0	0	4	0	0	4	0	0	0	0	0	0	.000	.000	.000	.000
8	Kendall Graveman K. Graveman	100.0	2	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000
9	Billy McKinney B. McKinney	100.0	4	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000
10	Danny Santana D. Santana	100.0	5	3	2	0	0	0	0	0	0	0	3	0	0	3	0	0	0	0	0	0	.000	.000	.000	.000
11	Tucker Davidson T. Davidson	100.0	1	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000
12	Zack Collins Z. Collins	100.0	1	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000
13	Austin Dean A. Dean	100.0	1	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000
14	David Freitas D. Freitas	100.0	1	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000
15	Dustin Garneau D. Garneau	100.0	2	2	0	0	0	0	0	0	0	0	2	0	0	2	0	0	0	0	0	0	.000	.000	.000	.000
16	Óscar Mercado Ó. Mercado	100.0	1	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000
17	Framber Valdez F. Valdez	100.0	1	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000
18	Kyle Wright K. Wright	100.0	1	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000
19	Luis Campusano L. Campusano	100.0	1	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000
20	Dakota Hudson D. Hudson	100.0	2	2	0	0	0	0	0	0	0	0	2	0	0	2	0	0	0	0	0	0	.000	.000	.000	.000
21	Yairo Munoz Y. Munoz	100.0	1	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000
22	Michael Soroka M. Soroka	100.0	1	2	0	0	0	0	0	0	0	0	2	0	0	2	0	0	0	0	0	0	.000	.000	.000	.000
23	Brusdar Graterol B. Graterol	100.0	8	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000
24	Nathan Eovaldi N. Eovaldi	100.0	1	2	0	0	0	0	0	0	0	0	2	0	0	2	0	0	0	0	0	0	.000	.000	.000	.000
25	Kyle Freeland K. Freeland	100.0	1	2	0	0	0	0	0	0	0	0	2	0	0	2	0	0	0	0	0	0	.000	.000	.000	.000