best year postseason batting average minimum 20 plate appearances

Mark Grace has the best batting average with 20+ plate appearances in a postseason, with an average of .647 in 1989.

Interpreted as:

best year postseason batting average by a player minimum 20 plate appearances

	NAME	AVG	PA	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	OBP	SLG	OPS
1	Mark Grace M. Grace	.647	22	1989	CHC	5	17	3	11	3	1	1	8	4	0	1	1	0	19	5	0	1	2	0	.682	1.118	1.799
2	Fred Lynn F. Lynn	.611	20	1982	CAL	5	18	4	11	2	0	1	5	2	0	3	0	0	16	3	0	0	0	1	.650	.889	1.539
3	Lou Gehrig L. Gehrig	.529	20	1932	NYY	4	17	9	9	1	0	3	8	2	1	1	0	0	19	4	0		0	1	.600	1.118	1.718
4	Justin Turner J. Turner	.526	20	2015	LAD	5	19	2	10	6	0	0	4	1	0	3	1	0	16	6	0	0	1	0	.550	.842	1.392
5	Andruw Jones A. Jones	.526	21	2004	ATL	5	19	4	10	2	0	2	5	2	0	3	1	0	18	4	0	0	0	1	.571	.947	1.519
6	Terry Puhl T. Puhl	.526	22	1980	HOU	5	19	4	10	2	0	0	3	3	0	2	2	0	12	2	0	0	0	0	.591	.632	1.222
7	Manny Ramirez M. Ramirez	.520	36	2008	LAD	8	25	9	13	2	0	4	10	11	0	4	0	0	27	6	0	0	4	1	.667	1.080	1.747
8	Billy Hatcher B. Hatcher	.519	31	1990	CIN	8	27	8	14	5	1	1	4	2	1	2	0	1	24	7	1	0	1	1	.567	.889	1.456
9	Aaron Judge A. Judge	.500	31	2025	NYY	7	26	5	13	2	0	1	7	4	1	5	0	0	18	3	0	0	2	0	.581	.692	1.273
10	Billy Martin B. Martin	.500	25	1953	NYY	6	24	5	12	1	2	2	8	1	0	2	1	2	23	5	0		0	1	.520	.958	1.478
11	Johnny Lindell J. Lindell	.500	24	1947	NYY	6	18	3	9	3	1	0	7	5	1	2	0	0	14	4	0		0	1	.625	.778	1.403
12	Joe Gordon J. Gordon	.500	21	1941	NYY	5	14	2	7	1	1	1	5	7	0	0	0	0	13	3	0		2	1	.667	.929	1.595
13	Pepper Martin P. Martin	.500	26	1931	SLN	7	24	5	12	4	0	1	5	2	0	3	5	1	19	5	0		0	0	.538	.792	1.330
14	Dave Robertson D. Robertson	.500	23	1917	NYG	6	22	3	11	1	1	0	1	0	1	0	2	0	14	2	0		0	0	.522	.636	1.158
15	Brooks Robinson B. Robinson	.485	34	1970	BAL	8	33	8	16	4	0	2	7	0	0	3	0	0	26	6	0	1	0	0	.471	.788	1.258
16	Jon Jay J. Jay	.483	36	2014	STL	9	29	3	14	1	0	0	2	3	3	3	0	1	15	1	1	0	0	0	.571	.517	1.089
17	Tim McCarver T. McCarver	.478	29	1964	STL	7	23	4	11	1	1	1	5	5	0	1	1	0	17	3	0	1	1	0	.552	.739	1.291
18	Thurman Munson T. Munson	.475	40	1976	NYY	9	40	5	19	2	0	0	5	0	0	2	0	1	21	2	0	0	0	1	.475	.525	1.000
19	Jorge Soler J. Soler	.474	25	2015	CHC	7	19	6	9	3	0	3	5	6	0	5	0	0	21	6	0	0	0	0	.600	1.105	1.705
20	Roberto Alomar R. Alomar	.474	23	1991	TOR	5	19	3	9	0	0	0	4	2	0	3	2	0	9	0	2	0	0	0	.524	.474	.997
21	Heinie Groh H. Groh	.474	21	1922	NYG	5	19	4	9	0	1	0	0	2	0	1	0	1	11	1	0		0	0	.524	.579	1.103
22	Will Clark W. Clark	.472	39	1989	SFG	9	36	10	17	4	1	2	8	3	0	5	0	0	29	7	0	0	0	0	.513	.806	1.318
23	Phil Garner P. Garner	.472	41	1979	PIT	10	36	8	17	4	1	1	6	4	1	1	0	0	26	6	0	0	3	0	.537	.722	1.259
24	Andruw Jones A. Jones	.471	21	2005	ATL	4	17	5	8	3	0	1	5	2	1	3	0	0	14	4	0	1	0	1	.524	.824	1.347
25	Hack Wilson H. Wilson	.471	21	1929	CHC	5	17	2	8	0	1	0	0	4	0	3	0	0	10	1	0		0	0	.571	.588	1.160