George Brett has the best career OPS in the postseason with 150+ at-bats, with an OPS of 1.023.

Interpreted as:

highest ops by a player in a postseason min 150 ab

	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	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
2	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
3	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
4	Bryce Harper B. Harper	.986	208	57	42	57	14	1	17	34	38	2	56	8	1	250	124	32	1	1	4	5	.274	.390	.596
5	Nelson Cruz N. Cruz	.979	187	50	35	52	12	0	18	38	19	1	45	1	1	207	118	30	0	0	2	5	.278	.348	.631
6	Lance Berkman L. Berkman	.949	186	52	38	59	11	1	9	41	31	3	41	4	1	224	99	21	0	3	6	4	.317	.417	.532
7	David Ortiz D. Ortiz	.947	304	85	51	88	22	2	17	61	59	2	72	0	1	369	165	41	0	4	11	4	.289	.404	.543
8	Randy Arozarena R. Arozarena	.946	161	45	33	47	6	1	12	19	17	6	52	8	2	184	91	19	0	0	2	3	.292	.380	.565
9	Yordan Alvarez Y. Alvarez	.944	214	60	39	63	13	3	12	41	31	5	69	0	0	252	118	28	0	2	5	1	.294	.393	.551
10	Manny Ramirez M. Ramirez	.937	410	111	67	117	19	0	29	78	72	5	91	1	1	493	223	48	0	6	12	17	.285	.394	.544
11	Barry Bonds B. Bonds	.936	151	48	33	37	8	2	9	24	52	1	26	9	1	208	76	19	0	4	21	1	.245	.433	.503
12	Hideki Matsui H. Matsui	.933	205	56	32	64	15	1	10	39	27	1	33	0	0	235	111	26	0	2	2	5	.312	.391	.541
13	Juan Soto J. Soto	.927	160	43	31	45	8	0	11	30	27	2	40	2	1	191	86	19	1	1	4	1	.281	.389	.538
14	Giancarlo Stanton G. Stanton	.926	177	48	26	45	8	0	18	44	20	0	49	2	0	202	107	26	0	5	1	5	.254	.322	.605
15	Pablo Sandoval P. Sandoval	.921	157	42	21	53	13	0	6	20	10	3	24	0	0	171	84	19	0	1	3	7	.338	.386	.535
16	David Freese D. Freese	.919	204	69	26	61	17	2	10	36	20	4	55	0	1	230	112	29	0	2	2	9	.299	.370	.549
17	Fred McGriff F. McGriff	.912	188	50	36	57	10	1	10	37	27	0	40	1	1	218	99	21	0	3	4	4	.303	.385	.527
18	Steve Garvey S. Garvey	.910	222	55	32	75	8	3	11	31	8	0	32	2	2	232	122	22	2	0	4	4	.338	.361	.550
19	Mickey Mantle M. Mantle	.908	230	65	42	59	6	2	18	40	43	0	54	3	4	273	123	26	0	0	6	2	.257	.374	.535
20	Kyle Schwarber K. Schwarber	.907	244	73	44	57	7	0	23	37	46	4	79	5	0	296	133	30	0	2	5	4	.234	.361	.545
21	Jayson Werth J. Werth	.893	227	63	38	57	13	2	15	30	41	2	76	6	0	271	119	30	0	1	4	3	.251	.369	.524
22	Reggie Jackson R. Jackson	.885	281	77	41	78	14	1	18	48	33	3	70	5	2	318	148	33	0	1	3	5	.278	.358	.527
23	Miguel Cabrera M. Cabrera	.885	205	55	29	57	10	0	13	38	27	2	48	3	0	235	106	23	1	0	7	7	.278	.368	.517
24	George Springer G. Springer	.877	333	81	56	88	21	0	23	47	36	4	88	4	1	374	178	44	0	1	1	5	.264	.342	.535
25	Freddie Freeman F. Freeman	.876	287	76	38	78	17	1	16	39	41	5	62	4	0	334	145	34	0	1	5	4	.272	.371	.505