Lou Gehrig has the highest career OPS in the postseason with 60+ at-bats, with an OPS of 1.214.

	NAME	OPS	AB	G	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG
1	Lou Gehrig L. Gehrig	1.214	119	34	30	43	8	3	10	35	26	2	17	0	1	150	87	21	1		2	1	.361	.483	.731
2	Babe Ruth B. Ruth	1.214	129	41	37	42	5	2	15	33	33	2	30	4	3	167	96	22	2		2	3	.326	.470	.744
3	Troy Glaus T. Glaus	1.154	78	24	18	25	5	1	9	16	9	1	20	0	0	88	59	15	0	0	2	1	.321	.398	.756
4	Hank Aaron H. Aaron	1.116	69	17	11	25	4	1	6	16	5	0	13	0	0	74	49	11	0	0	0	2	.362	.405	.710
5	Fernando Tatis Jr. F. Tatis Jr.	1.114	60	16	15	19	5	0	6	12	9	1	13	2	1	70	42	11	0	0	1	1	.317	.414	.700
6	Vladimir Guerrero Jr. V. Guerrero Jr.	1.109	87	22	18	30	4	0	8	16	14	2	10	0	0	104	58	12	0	1	6	1	.345	.442	.667
7	Adolis García A. García	1.108	62	15	11	20	1	0	8	22	3	3	18	2	0	68	45	9	0	0	0	0	.323	.382	.726
8	Lenny Dykstra L. Dykstra	1.094	112	32	27	36	6	1	10	19	20	2	23	5	0	136	74	17	2	0	3	0	.321	.433	.661
9	Gary Matthews G. Matthews	1.090	65	19	12	21	0	1	7	15	10	0	9	2	1	75	44	8	0	0	2	3	.323	.413	.677
10	Lou Brock L. Brock	1.079	87	21	16	34	7	2	4	13	5	0	10	14	2	92	57	13	0	0	0	0	.391	.424	.655
11	Juan Gonzalez J. Gonzalez	1.075	62	15	11	18	4	0	8	15	4	0	15	0	0	66	46	12	0	0	1	2	.290	.333	.742
12	Paul Molitor P. Molitor	1.050	117	29	28	43	5	3	6	22	12	2	15	3	2	132	72	14	1	0	1	2	.368	.435	.615
13	Carl Yastrzemski C. Yastrzemski	1.047	65	17	15	24	3	0	4	11	9	1	3	0	0	76	39	7	0	1	2	2	.369	.447	.600
14	John Valentin J. Valentin	1.046	72	17	15	25	6	0	5	19	8	0	10	0	1	81	46	11	0	1	1	2	.347	.407	.639
15	Hank Greenberg H. Greenberg	1.044	85	23	17	27	7	2	5	22	13	2	19	1	0	101	53	14	1		0	4	.318	.420	.624
16	Al Simmons A. Simmons	1.037	73	19	15	24	6	0	6	17	6	0	9	0	0	80	48	12	0		1	2	.329	.380	.658
17	Jimmie Foxx J. Foxx	1.034	64	18	11	22	3	1	4	11	9	0	10	0	0	73	39	8	0		2	2	.344	.425	.609
18	Hanley Ramirez H. Ramirez	1.027	71	20	9	27	9	1	1	14	7	2	13	2	0	80	41	11	0	0	3	2	.380	.450	.577
19	Jorge Soler J. Soler	1.027	80	30	12	22	6	1	7	12	15	0	28	0	0	95	51	14	0	0	0	1	.275	.389	.638
20	Vinny Castilla V. Castilla	1.026	60	17	9	21	1	0	5	12	5	1	12	0	0	66	37	6	0	0	0	2	.350	.409	.617
21	George Brett G. Brett	1.023	166	43	30	56	8	5	10	23	17	0	20	2	3	184	104	23	0	1	6	4	.337	.397	.627
22	Jay Buhner J. Buhner	1.021	85	26	12	26	3	0	8	12	13	0	28	0	1	98	53	11	0	0	0	2	.306	.398	.624
23	Carlos Beltran C. Beltran	1.021	215	65	45	66	15	1	16	42	37	2	33	11	0	256	131	32	1	1	2	3	.307	.412	.609
24	Albert Pujols A. Pujols	.995	304	88	57	97	18	1	19	54	50	5	46	1	2	360	174	38	0	1	20	7	.319	.422	.572
25	Daniel Murphy D. Murphy	.986	97	25	21	30	3	0	8	19	15	0	21	3	2	113	57	11	0	1	4	1	.309	.398	.588