50 players are tied for the lowest career batting average in the postseason, with an average of .000. The first three are Tyler Heineman, Ke'Bryan Hayes and Miles Mastrobuoni.

Interpreted as:

worst postseason batting average by a player

	NAME	AVG	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	OBP	SLG	OPS
1	Tyler Heineman T. Heineman	.000	2	3	0	0	0	0	0	0	0	0	1	0	0	3	0	0	0	0	0	0	.000	.000	.000
2	Ke'Bryan Hayes K. Hayes	.000	2	6	0	0	0	0	0	0	0	0	0	0	0	6	0	0	0	0	0	0	.000	.000	.000
3	Miles Mastrobuoni M. Mastrobuoni	.000	1	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000
4	Johnathan Rodríguez J. Rodríguez	.000	2	3	0	0	0	0	0	0	0	0	2	0	0	3	0	0	0	0	0	0	.000	.000	.000
5	Bryce Johnson B. Johnson	.000	2	2	0	0	0	0	0	0	0	1	1	0	0	3	0	0	0	0	0	0	.333	.000	.333
6	Isaac Collins I. Collins	.000	6	9	1	0	0	0	0	0	1	0	7	0	0	10	0	0	0	0	0	0	.100	.000	.100
7	Noelvi Marte N. Marte	.000	2	3	1	0	0	0	0	0	1	0	2	0	0	4	0	0	0	0	0	0	.250	.000	.250
8	Joey Loperfido J. Loperfido	.000	1	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	.000	.000	.000
9	Elly De La Cruz E. De La Cruz	.000	2	6	1	0	0	0	0	2	2	0	4	0	0	8	0	0	0	0	0	0	.250	.000	.250
10	Ceddanne Rafaela C. Rafaela	.000	3	10	2	0	0	0	0	0	2	0	4	0	0	12	0	0	0	0	0	0	.167	.000	.167
11	Wilyer Abreu W. Abreu	.000	3	5	0	0	0	0	0	0	0	0	3	0	0	5	0	0	0	0	0	0	.000	.000	.000
12	Dalton Rushing D. Rushing	.000	1	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000
13	Carlos Narváez C. Narváez	.000	3	8	0	0	0	0	0	0	3	0	4	0	0	11	0	0	0	0	0	1	.273	.000	.273
14	Moisés Ballesteros M. Ballesteros	.000	3	3	0	0	0	0	0	0	0	0	1	0	0	3	0	0	0	0	0	0	.000	.000	.000
15	Otto Kemp O. Kemp	.000	1	2	0	0	0	0	0	0	0	0	2	0	0	2	0	0	0	0	0	0	.000	.000	.000
16	Elias Díaz E. Díaz	.000	1	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000
17	Luis Torrens L. Torrens	.000	2	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	.000	.000	.000
18	Weston Wilson W. Wilson	.000	5	3	0	0	0	0	0	0	0	0	0	0	0	3	0	0	0	0	0	0	.000	.000	.000
19	Heston Kjerstad H. Kjerstad	.000	2	2	0	0	0	0	0	0	0	0	1	0	0	2	0	0	0	0	0	0	.000	.000	.000
20	Brandon Lockridge B. Lockridge	.000	6	2	0	0	0	0	0	0	0	0	1	0	0	2	0	0	0	0	0	0	.000	.000	.000
21	Luisangel Acuña L. Acuña	.000	9	3	0	0	0	0	0	0	0	0	2	0	0	3	0	0	0	0	0	0	.000	.000	.000
22	Jace Jung J. Jung	.000	2	2	0	0	0	0	0	1	1	0	0	0	0	3	0	0	0	0	0	0	.333	.000	.333
23	Jose Herrera J. Herrera	.000	2	3	0	0	0	0	0	0	1	0	0	0	0	4	0	0	0	0	0	0	.250	.000	.250
24	Andruw Monasterio A. Monasterio	.000	6	1	0	0	0	0	0	0	1	0	1	0	0	2	0	0	0	0	0	0	.500	.000	.500
25	René Pinto R. Pinto	.000	2	5	0	0	0	0	0	0	0	0	4	0	0	5	0	0	0	0	0	0	.000	.000	.000