highest batting average in postseason minimum 20 games

Joaquin Arias had the highest batting average in the postseason with 20+ games played, with an average of .417.

Interpreted as:

highest batting average by a player in postseason minimum 20 games

	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	Joaquin Arias J. Arias	.417	20	12	5	5	2	0	0	1	0	0	2	0	0	12	7	2	0	0	0	0	.417	.583	1.000
2	Lou Brock L. Brock	.391	21	87	16	34	7	2	4	13	5	0	10	14	2	92	57	13	0	0	0	0	.424	.655	1.079
3	Hanley Ramirez H. Ramirez	.380	20	71	9	27	9	1	1	14	7	2	13	2	0	80	41	11	0	0	3	2	.450	.577	1.027
4	Paul Molitor P. Molitor	.368	29	117	28	43	5	3	6	22	12	2	15	3	2	132	72	14	1	0	1	2	.435	.615	1.050
5	Home Run Baker H. Run Baker	.363	25	91	15	33	7	1	3	18	5	0	11	1	4	97	51	11	0		2	1	.396	.560	.956
6	Lou Gehrig L. Gehrig	.361	34	119	30	43	8	3	10	35	26	2	17	0	1	150	87	21	1		2	1	.483	.731	1.214
7	Mark DeRosa M. DeRosa	.358	22	53	8	19	6	1	1	10	4	1	8	0	0	58	30	8	0	0	0	2	.414	.566	.980
8	Thurman Munson T. Munson	.357	30	129	19	46	9	0	3	22	5	0	19	1	1	135	64	12	0	1	1	4	.378	.496	.874
9	Mike Stanley M. Stanley	.356	20	73	9	26	3	1	1	7	8	2	14	0	0	83	34	5	0	0	0	3	.434	.466	.899
10	Roger Cedeno R. Cedeno	.355	20	31	5	11	1	0	0	4	1	0	5	3	1	33	12	1	0	1	0	1	.364	.387	.751
11	James Loney J. Loney	.350	23	80	6	28	5	0	3	16	10	1	13	0	0	91	42	8	0	0	2	5	.429	.525	.954
12	Ketel Marte K. Marte	.344	21	90	10	31	7	3	3	13	6	0	23	3	1	96	53	13	0	0	0	1	.385	.589	.974
13	Greg Colbrunn G. Colbrunn	.344	21	32	4	11	1	0	1	6	5	1	6	0	0	38	15	2	0	0	1	1	.447	.469	.916
14	Darin Erstad D. Erstad	.339	29	118	18	40	9	0	3	12	5	1	17	4	0	127	58	12	2	1	0	3	.368	.492	.860
15	Tony Pena T. Pena	.338	29	71	9	24	2	1	1	5	7	0	6	2	1	78	31	4	0	0	0	3	.397	.437	.834
16	Steve Garvey S. Garvey	.338	55	222	32	75	8	3	11	31	8	0	32	2	2	232	122	22	2	0	4	4	.361	.550	.910
17	Pablo Sandoval P. Sandoval	.338	42	157	21	53	13	0	6	20	10	3	24	0	0	171	84	19	0	1	3	7	.386	.535	.921
18	George Brett G. Brett	.337	43	166	30	56	8	5	10	23	17	0	20	2	3	184	104	23	0	1	6	4	.397	.627	1.023
19	Cal Ripken Jr. C. Ripken Jr.	.336	28	110	14	37	10	0	1	8	12	2	22	0	0	124	50	11	0	0	0	1	.411	.455	.866
20	Randy Arozarena R. Arozarena	.336	33	113	23	38	5	1	11	17	13	2	33	3	2	128	78	17	0	0	2	2	.414	.690	1.104
21	Kenta Maeda K. Maeda	.333	21	3	0	1	0	0	0	0	0	0	0	0	0	3	1	0	0	0	0	0	.333	.333	.667
22	Jake Marisnick J. Marisnick	.333	23	21	1	7	1	0	0	0	1	0	8	2	0	22	8	1	0	0	0	0	.364	.381	.745
23	Fernando Vina F. Vina	.333	21	93	13	31	3	0	2	9	3	2	6	1	2	100	40	5	1	1	0	1	.364	.430	.794
24	Will Clark W. Clark	.333	31	117	20	39	8	1	5	16	13	2	19	1	1	132	64	14	0	0	3	2	.409	.547	.956
25	Marty Barrett M. Barrett	.333	21	75	7	25	4	0	0	9	8	0	4	0	0	85	29	4	2	0	1	2	.398	.387	.784