Lloyd McClendon has the best career OPS in the postseason when making 20+ plate appearances, with an OPS of 1.633.

Interpreted as:

highest postseason ops by a player minimum 20 pa

	NAME	OPS	PA	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG
1	Lloyd McClendon L. McClendon	1.633	23	11	16	4	10	2	0	1	4	6	0	1	0	0	15	3	0	1	1	0	.625	.696	.938
2	Colby Rasmus C. Rasmus	1.610	35	9	26	5	11	4	0	4	7	9	0	8	1	0	27	8	0	0	2	1	.423	.571	1.038
3	Dane Iorg D. Iorg	1.386	25	13	23	4	12	5	1	0	4	2	0	0	0	0	19	6	0	0	0	0	.522	.560	.826
4	Jeffrey Leonard J. Leonard	1.266	31	10	27	5	10	0	0	4	5	3	1	6	0	0	22	4	0	0	0	0	.370	.452	.815
5	Ted Kluszewski T. Kluszewski	1.266	25	6	23	5	9	1	0	3	10	2	0	0	0	0	19	4	0	0	2	1	.391	.440	.826
6	Jay Johnstone J. Johnstone	1.262	22	14	21	2	10	1	1	1	5	1	0	1	0	0	16	3	0	0	0	0	.476	.500	.762
7	Willie Aikens W. Aikens	1.215	49	12	40	5	15	0	1	4	10	9	0	11	0	0	29	5	0	0	0	0	.375	.490	.725
8	Lou Gehrig L. Gehrig	1.214	150	34	119	30	43	8	3	10	35	26	2	17	0	1	87	21	1		2	1	.361	.483	.731
9	Babe Ruth B. Ruth	1.214	167	41	129	37	42	5	2	15	33	33	2	30	4	3	96	22	2		2	3	.326	.470	.744
10	Bobby Brown B. Brown	1.207	46	17	41	9	18	5	3	0	9	5	0	3	0	0	29	8	0		0	0	.439	.500	.707
11	Carlos Delgado C. Delgado	1.199	43	10	37	8	13	3	0	4	11	6	0	6	0	0	28	7	0	0	0	0	.351	.442	.757
12	Kurt Bevacqua K. Bevacqua	1.189	20	7	19	4	7	2	0	2	4	1	0	2	0	1	15	4	0	0	0	1	.368	.400	.789
13	Ken Boswell K. Boswell	1.187	20	8	19	6	8	0	0	2	5	1	0	2	0	0	14	2	0	0	0	0	.421	.450	.737
14	Eric Young E. Young	1.186	24	7	22	5	9	1	0	2	5	2	0	2	1	0	16	3	0	0	1	1	.409	.458	.727
15	Dwayne Murphy D. Murphy	1.184	22	6	19	4	8	2	0	1	3	3	0	4	0	1	13	3	0	0	0	1	.421	.500	.684
16	Max Carey M. Carey	1.177	31	7	24	6	11	4	0	0	2	2	3	3	3	1	15	4	2		0	0	.458	.552	.625
17	Ryan Ludwick R. Ludwick	1.167	39	9	34	5	13	2	0	3	5	5	0	5	0	0	24	5	0	0	1	2	.382	.462	.706
18	Dave Robertson D. Robertson	1.158	23	6	22	3	11	1	1	0	1	0	1	0	2	0	14	2	0		0	0	.500	.522	.636
19	Troy Glaus T. Glaus	1.154	88	24	78	18	25	5	1	9	16	9	1	20	0	0	59	15	0	0	2	1	.321	.398	.756
20	Don Mattingly D. Mattingly	1.148	25	5	24	3	10	4	0	1	6	1	0	5	0	0	17	5	0	0	0	1	.417	.440	.708
21	Chris Young C. Young	1.138	60	15	48	10	15	3	0	5	9	11	1	19	4	2	33	8	0	0	0	0	.313	.450	.688
22	Bill Bruton B. Bruton	1.134	22	7	17	2	7	0	0	1	2	5	0	5	0	0	10	1	0	0	0	1	.412	.545	.588
23	Sean Casey S. Casey	1.131	41	12	39	3	16	5	0	2	9	1	1	4	0	0	27	7	0	0	0	0	.410	.439	.692
24	Michael Busch M. Busch	1.128	31	8	27	4	8	0	0	4	4	3	1	4	0	0	20	4	0	0	1	1	.296	.387	.741
25	Jake Powell J. Powell	1.127	27	8	23	8	10	1	0	1	5	4	0	5	1	1	14	2	0		0	1	.435	.519	.609