who has the best lifetime batting average in world series games and played in at least 20 games

Lou Brock had the highest batting average in the World Series with 20+ games played, with an average of .391.

	NAME	AVG	G	SERIES	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	OBP	SLG	OPS
1	Lou Brock L. Brock	.391	21	World Series	87	16	34	7	2	4	13	5	0	10	14	2	92	57	13	0	0	0	0	.424	.655	1.079
2	Home Run Baker H. Run Baker	.363	25	World Series	91	15	33	7	1	3	18	5	0	11	1	4	96	51	11	0		2	1	.396	.560	.956
3	Lou Gehrig L. Gehrig	.361	34	World Series	119	30	43	8	3	10	35	26	2	17	0	1	148	87	21	1		2	1	.483	.731	1.214
4	Reggie Jackson R. Jackson	.357	27	World Series	98	21	35	7	1	10	24	15	3	24	1	0	116	74	18	0	0	2	3	.457	.755	1.212
5	Billy Martin B. Martin	.333	28	World Series	99	15	33	2	3	5	19	5	1	15	1	5	105	56	10	0	0	1	4	.371	.566	.937
6	Yadier Molina Y. Molina	.328	21	World Series	67	4	22	5	0	0	12	8	0	8	0	0	76	27	5	0	1	3	0	.395	.403	.798
7	Eddie Collins E. Collins	.328	34	World Series	128	20	42	7	2	0	11	10	1	11	14	3	145	53	9	6		0	0	.381	.414	.795
8	Babe Ruth B. Ruth	.326	41	World Series	129	37	42	5	2	15	33	33	2	30	4	3	166	96	22	2		2	3	.470	.744	1.214
9	Dave Henderson D. Henderson	.324	20	World Series	71	15	23	6	1	4	10	9	2	19	0	0	83	43	11	0	1	0	1	.410	.606	1.015
10	Charlie Gehringer C. Gehringer	.321	20	World Series	81	12	26	4	0	1	7	7	0	1	2	0	90	33	5	2		0	3	.375	.407	.782
11	Frank Schulte F. Schulte	.321	21	World Series	81	11	26	6	1	0	9	6	0	9	2	9	91	34	7	4		0	0	.368	.420	.788
12	Derek Jeter D. Jeter	.321	38	World Series	156	32	50	9	1	3	9	13	3	39	4	1	173	70	13	1	0	0	5	.384	.449	.832
13	Lou Piniella L. Piniella	.319	22	World Series	72	7	23	2	0	0	10	0	1	4	2	0	74	25	2	0	1	0	3	.324	.347	.672
14	Steve Garvey S. Garvey	.319	28	World Series	113	13	36	5	1	1	6	4	0	21	1	1	118	46	7	1	0	1	1	.342	.407	.749
15	Gene Woodling G. Woodling	.318	26	World Series	85	21	27	5	2	3	6	19	0	8	0	1	104	45	10	0		2	0	.442	.529	.972
16	Hank Greenberg H. Greenberg	.318	23	World Series	85	17	27	7	2	5	22	13	2	19	1	0	101	53	14	1		0	4	.420	.624	1.044
17	Johnny Evers J. Evers	.316	20	World Series	76	11	24	4	0	0	6	4	0	8	8	5	82	28	4	2		0	0	.350	.368	.718
18	Scott Brosius S. Brosius	.314	20	World Series	70	8	22	3	0	4	13	2	1	19	0	0	76	37	7	1	2	1	1	.333	.529	.862
19	Tim McCarver T. McCarver	.311	21	World Series	74	10	23	2	3	2	11	10	0	5	1	1	86	37	7	0	2	1	0	.384	.500	.884
20	Tristram Speaker T. Speaker	.306	20	World Series	72	12	22	3	4	0	3	11	0	4	1	4	83	33	7	0		1	1	.398	.458	.856
21	Bobby Richardson B. Richardson	.305	36	World Series	131	16	40	6	2	1	15	5	0	7	2	1	138	53	9	2	0	0	2	.331	.405	.735
22	Ron Fairly R. Fairly	.300	20	World Series	40	7	12	3	0	2	6	5	0	6	0	0	45	21	5	0	0	1	0	.378	.525	.903
23	Frank Chance F. Chance	.300	20	World Series	70	11	21	3	1	0	6	9	3	6	10	1	82	26	4	0		0	0	.402	.371	.774
24	Steve Yeager S. Yeager	.298	21	World Series	57	6	17	4	0	4	10	3	0	9	0	0	62	33	8	0	2	0	1	.323	.579	.902
25	Terry Pendleton T. Pendleton	.298	27	World Series	94	14	28	7	1	2	9	9	0	10	2	1	105	43	10	1	1	2	2	.356	.457	.813