Carlos Beltran has the best career OPS in the postseason when making 200+ plate appearances, with an OPS of 1.021.

Interpreted as:

highest ops by a player, postseason min 200 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	Carlos Beltran C. Beltran	1.021	256	65	215	45	66	15	1	16	42	37	2	33	11	0	131	32	1	1	2	3	.307	.412	.609
2	Albert Pujols A. Pujols	.995	360	88	304	57	97	18	1	19	54	50	5	46	1	2	174	38	0	1	20	7	.319	.422	.572
3	Bryce Harper B. Harper	.986	250	57	208	42	57	14	1	17	34	38	2	56	8	1	124	32	1	1	4	5	.274	.390	.596
4	Nelson Cruz N. Cruz	.979	207	50	187	35	52	12	0	18	38	19	1	45	1	1	118	30	0	0	2	5	.278	.348	.631
5	Lance Berkman L. Berkman	.949	224	52	186	38	59	11	1	9	41	31	3	41	4	1	99	21	0	3	6	4	.317	.417	.532
6	David Ortiz D. Ortiz	.947	369	85	304	51	88	22	2	17	61	59	2	72	0	1	165	41	0	4	11	4	.289	.404	.543
7	Yordan Alvarez Y. Alvarez	.944	252	60	214	39	63	13	3	12	41	31	5	69	0	0	118	28	0	2	5	1	.294	.393	.551
8	Manny Ramirez M. Ramirez	.937	493	111	410	67	117	19	0	29	78	72	5	91	1	1	223	48	0	6	12	17	.285	.394	.544
9	Barry Bonds B. Bonds	.936	208	48	151	33	37	8	2	9	24	52	1	26	9	1	76	19	0	4	21	1	.245	.433	.503
10	Hideki Matsui H. Matsui	.933	235	56	205	32	64	15	1	10	39	27	1	33	0	0	111	26	0	2	2	5	.312	.391	.541
11	Giancarlo Stanton G. Stanton	.926	202	48	177	26	45	8	0	18	44	20	0	49	2	0	107	26	0	5	1	5	.254	.322	.605
12	David Freese D. Freese	.919	230	69	204	26	61	17	2	10	36	20	4	55	0	1	112	29	0	2	2	9	.299	.370	.549
13	Fred McGriff F. McGriff	.912	218	50	188	36	57	10	1	10	37	27	0	40	1	1	99	21	0	3	4	4	.303	.385	.527
14	Steve Garvey S. Garvey	.910	232	55	222	32	75	8	3	11	31	8	0	32	2	2	122	22	2	0	4	4	.338	.361	.550
15	Mickey Mantle M. Mantle	.908	273	65	230	42	59	6	2	18	40	43	0	54	3	4	123	26	0	0	6	2	.257	.374	.535
16	Kyle Schwarber K. Schwarber	.907	296	73	244	44	57	7	0	23	37	46	4	79	5	0	133	30	0	2	5	4	.234	.361	.545
17	Jayson Werth J. Werth	.893	271	63	227	38	57	13	2	15	30	41	2	76	6	0	119	30	0	1	4	3	.251	.369	.524
18	Reggie Jackson R. Jackson	.885	318	77	281	41	78	14	1	18	48	33	3	70	5	2	148	33	0	1	3	5	.278	.358	.527
19	Miguel Cabrera M. Cabrera	.885	235	55	205	29	57	10	0	13	38	27	2	48	3	0	106	23	1	0	7	7	.278	.368	.517
20	Freddie Freeman F. Freeman	.884	300	69	259	35	71	15	1	15	37	35	5	57	3	0	133	31	0	1	4	4	.274	.370	.514
21	Enrique Hernández E. Hernández	.875	288	93	256	42	73	10	2	15	39	26	4	57	3	3	132	27	1	1	2	3	.285	.359	.516
22	Jim Edmonds J. Edmonds	.874	263	64	230	33	63	16	0	13	42	30	2	72	2	2	118	29	0	1	3	1	.274	.361	.513
23	George Springer G. Springer	.872	338	73	301	49	79	18	0	21	41	34	2	81	4	1	160	39	0	1	1	5	.262	.340	.532
24	Chipper Jones C. Jones	.864	417	93	338	58	97	18	0	13	47	72	1	61	8	3	154	31	1	5	11	10	.287	.409	.456
25	Carlos Correa C. Correa	.860	358	85	323	38	91	19	0	18	63	31	4	84	1	0	164	37	0	0	2	8	.282	.352	.508