who has the highest playoff batting average of all-time with at least 200 plate appearances

Steve Garvey has the highest career batting average in the postseason when making 200+ plate appearances, with an average of .338.

	NAME	AVG	PA	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	OBP	SLG	OPS
1	Steve Garvey S. Garvey	.338	232	55	222	32	75	8	3	11	31	8	0	32	2	2	122	22	2	0	4	4	.361	.550	.910
2	Pete Rose P. Rose	.321	301	67	268	30	86	13	2	5	22	28	2	22	2	5	118	20	1	1	7	3	.388	.440	.828
3	Albert Pujols A. Pujols	.319	360	88	304	57	97	18	1	19	54	50	5	46	1	2	174	38	0	1	20	7	.422	.572	.995
4	Lance Berkman L. Berkman	.317	224	52	186	38	59	11	1	9	41	31	3	41	4	1	99	21	0	3	6	4	.417	.532	.949
5	Marquis Grissom M. Grissom	.317	231	52	218	34	69	7	3	5	20	12	1	42	12	4	97	15	0	0	0	2	.355	.445	.800
6	Roberto Alomar R. Alomar	.313	263	58	230	32	72	16	1	4	33	27	0	32	20	2	102	21	3	3	3	9	.381	.443	.824
7	Hideki Matsui H. Matsui	.312	235	56	205	32	64	15	1	10	39	27	1	33	0	0	111	26	0	2	2	5	.391	.541	.933
8	Derek Jeter D. Jeter	.308	734	158	650	111	200	32	5	20	61	66	5	135	18	5	302	57	9	4	3	14	.374	.465	.838
9	Carlos Beltran C. Beltran	.307	256	65	215	45	66	15	1	16	42	37	2	33	11	0	131	32	1	1	2	3	.412	.609	1.021
10	Fred McGriff F. McGriff	.303	218	50	188	36	57	10	1	10	37	27	0	40	1	1	99	21	0	3	4	4	.385	.527	.912
11	David Freese D. Freese	.299	230	69	204	26	61	17	2	10	36	20	4	55	0	1	112	29	0	2	2	9	.370	.549	.919
12	Devon White D. White	.296	211	49	189	27	56	12	4	3	20	19	2	48	7	6	85	19	0	1	2	1	.365	.450	.815
13	Frankie Frisch F. Frisch	.294	216	50	197	16	58	10	3	0	10	12	1	9	9	3	74	13	4		0	3	.338	.376	.714
14	Yordan Alvarez Y. Alvarez	.294	252	60	214	39	63	13	3	12	41	31	5	69	0	0	118	28	0	2	5	1	.393	.551	.944
15	Bill Russell B. Russell	.294	209	49	194	14	57	5	3	0	18	11	0	15	3	3	68	8	4	0	3	5	.332	.351	.682
16	David Ortiz D. Ortiz	.289	369	85	304	51	88	22	2	17	61	59	2	72	0	1	165	41	0	4	11	4	.404	.543	.947
17	Chipper Jones C. Jones	.287	417	93	338	58	97	18	0	13	47	72	1	61	8	3	154	31	1	5	11	10	.409	.456	.864
18	Manny Ramirez M. Ramirez	.285	493	111	410	67	117	19	0	29	78	72	5	91	1	1	223	48	0	6	12	17	.394	.544	.937
19	Paul O'Neill P. O'Neill	.284	340	85	299	39	85	17	2	11	39	38	0	41	5	0	139	30	1	2	2	12	.363	.465	.828
20	Rickey Henderson R. Henderson	.284	262	60	222	47	63	12	4	5	20	37	2	32	33	6	98	21	0	1	0	1	.389	.441	.831
21	Michael Brantley M. Brantley	.283	271	62	244	22	69	7	0	5	27	24	1	46	4	0	91	12	1	1	2	10	.348	.373	.721
22	Carlos Correa C. Correa	.282	358	85	323	38	91	19	0	18	63	31	4	84	1	0	164	37	0	0	2	8	.352	.508	.860
23	Yasiel Puig Y. Puig	.280	202	58	182	23	51	6	3	5	23	17	3	46	2	4	78	14	0	0	3	7	.351	.429	.780
24	Bryce Harper B. Harper	.280	232	53	193	41	54	13	1	17	34	35	2	53	8	1	120	31	1	1	4	5	.394	.622	1.016
25	John Olerud J. Olerud	.278	273	66	237	35	66	10	0	9	34	31	3	32	1	0	103	19	0	2	4	6	.366	.435	.801