best mlb career playoff on base percentage minimum 40 plate appearances

Bobby Brown has the highest career on-base percentage in the postseason when making 40+ plate appearances, with an on-base percentage of .500.

Interpreted as:

best MLB career playoff on base percentage by a player minimum 40 plate appearances

	NAME	OBP	PA	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	AVG	SLG	OPS
1	Bobby Brown B. Brown	.500	46	17	41	9	18	5	3	0	9	5	0	3	0	0	29	8	0		0	0	.439	.707	1.207
2	Jose Offerman J. Offerman	.491	53	14	45	8	18	1	1	1	9	8	0	3	1	1	24	3	0	0	0	1	.400	.533	1.024
3	Willie Aikens W. Aikens	.490	49	12	40	5	15	0	1	4	10	9	0	11	0	0	29	5	0	0	0	0	.375	.725	1.215
4	Lou Gehrig L. Gehrig	.483	150	34	119	30	43	8	3	10	35	26	2	17	0	1	87	21	1		2	1	.361	.731	1.214
5	Jesse Winker J. Winker	.476	42	14	30	7	8	0	2	1	4	8	4	7	1	0	15	3	0	0	0	0	.267	.500	.976
6	Babe Ruth B. Ruth	.470	167	41	129	37	42	5	2	15	33	33	2	30	4	3	96	22	2		2	3	.326	.744	1.214
7	Pepper Martin P. Martin	.467	60	15	55	14	23	7	1	1	9	5	0	6	7	2	35	9	0		0	0	.418	.636	1.103
8	Billy Hatcher B. Hatcher	.466	61	14	52	12	21	5	1	2	6	5	1	4	3	1	34	8	3	0	1	1	.404	.654	1.119
9	Spike Owen S. Owen	.460	52	15	41	7	15	0	1	0	5	8	0	8	1	0	17	1	2	1	2	1	.366	.415	.875
10	Ryne Sandberg R. Sandberg	.457	47	10	39	9	15	5	1	1	6	6	0	6	3	1	25	7	1	1	0	0	.385	.641	1.098
11	Jason Bay J. Bay	.452	62	14	49	6	15	3	0	3	9	12	1	15	0	0	27	6	0	0	1	0	.306	.551	1.003
12	Earle Combs E. Combs	.451	72	16	60	17	21	3	0	1	9	10	1	7	0	0	27	4	0		0	1	.350	.450	.901
13	A.J. Ellis	.450	61	17	52	7	19	5	1	2	5	7	1	9	0	0	32	8	1	0	1	0	.365	.615	1.065
14	Hanley Ramirez H. Ramirez	.450	80	20	71	9	27	9	1	1	14	7	2	13	2	0	41	11	0	0	3	2	.380	.577	1.027
15	Chris Young C. Young	.450	60	15	48	10	15	3	0	5	9	11	1	19	4	2	33	8	0	0	0	0	.313	.688	1.138
16	Fred Lynn F. Lynn	.450	61	15	54	8	22	4	0	2	13	5	0	8	0	0	32	6	1	1	0	2	.407	.593	1.043
17	Jimmy Wynn J. Wynn	.450	40	9	26	5	5	3	0	1	4	13	0	5	1	0	11	4	0	1	2	0	.192	.423	.873
18	Carl Yastrzemski C. Yastrzemski	.447	76	17	65	15	24	3	0	4	11	9	1	3	0	0	39	7	0	1	2	2	.369	.600	1.047
19	Harmon Killebrew H. Killebrew	.444	54	13	40	6	10	1	0	3	6	14	0	10	0	0	20	4	0	0	2	1	.250	.500	.944
20	Gene Woodling G. Woodling	.442	104	26	85	21	27	5	2	3	6	19	0	8	0	1	45	10	0		2	0	.318	.529	.972
21	Carlos Delgado C. Delgado	.442	43	10	37	8	13	3	0	4	11	6	0	6	0	0	28	7	0	0	0	0	.351	.757	1.199
22	Addison Barger A. Barger	.441	68	17	60	8	22	4	0	3	9	8	0	12	0	0	35	7	0	0	0	0	.367	.583	1.025
23	Frank Thomas F. Thomas	.441	68	16	49	5	11	1	0	3	5	18	1	10	0	0	21	4	0	0	4	1	.224	.429	.870
24	Sean Casey S. Casey	.439	41	12	39	3	16	5	0	2	9	1	1	4	0	0	27	7	0	0	0	0	.410	.692	1.131
25	Ron Hassey R. Hassey	.439	41	16	31	2	10	1	0	1	6	7	1	6	0	0	14	2	0	2	1	1	.323	.452	.891