who has the biggest ops change from regular season to playoffs minimum 50 games

Carlos Beltran had the best OPS in the postseason with 50+ games played, with an OPS of 1.021.

	NAME	OPS	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG
1	Carlos Beltran C. Beltran	1.021	65	215	45	66	15	1	16	42	37	2	33	11	0	256	131	32	1	1	2	3	.307	.412	.609
2	Albert Pujols A. Pujols	.995	88	304	57	97	18	1	19	54	50	5	46	1	2	360	174	38	0	1	20	7	.319	.422	.572
3	Bryce Harper B. Harper	.986	57	208	42	57	14	1	17	34	38	2	56	8	1	250	124	32	1	1	4	5	.274	.390	.596
4	Nelson Cruz N. Cruz	.979	50	187	35	52	12	0	18	38	19	1	45	1	1	207	118	30	0	0	2	5	.278	.348	.631
5	Lance Berkman L. Berkman	.949	52	186	38	59	11	1	9	41	31	3	41	4	1	224	99	21	0	3	6	4	.317	.417	.532
6	David Ortiz D. Ortiz	.947	85	304	51	88	22	2	17	61	59	2	72	0	1	369	165	41	0	4	11	4	.289	.404	.543
7	Yordan Alvarez Y. Alvarez	.944	60	214	39	63	13	3	12	41	31	5	69	0	0	252	118	28	0	2	5	1	.294	.393	.551
8	Manny Ramirez M. Ramirez	.937	111	410	67	117	19	0	29	78	72	5	91	1	1	493	223	48	0	6	12	17	.285	.394	.544
9	Hideki Matsui H. Matsui	.933	56	205	32	64	15	1	10	39	27	1	33	0	0	235	111	26	0	2	2	5	.312	.391	.541
10	David Freese D. Freese	.919	69	204	26	61	17	2	10	36	20	4	55	0	1	230	112	29	0	2	2	9	.299	.370	.549
11	Fred McGriff F. McGriff	.912	50	188	36	57	10	1	10	37	27	0	40	1	1	218	99	21	0	3	4	4	.303	.385	.527
12	Steve Garvey S. Garvey	.910	55	222	32	75	8	3	11	31	8	0	32	2	2	232	122	22	2	0	4	4	.338	.361	.550
13	Mickey Mantle M. Mantle	.908	65	230	42	59	6	2	18	40	43	0	54	3	4	273	123	26	0	0	6	2	.257	.374	.535
14	Kyle Schwarber K. Schwarber	.907	73	244	44	57	7	0	23	37	46	4	79	5	0	296	133	30	0	2	5	4	.234	.361	.545
15	Jayson Werth J. Werth	.893	63	227	38	57	13	2	15	30	41	2	76	6	0	271	119	30	0	1	4	3	.251	.369	.524
16	Reggie Jackson R. Jackson	.885	77	281	41	78	14	1	18	48	33	3	70	5	2	318	148	33	0	1	3	5	.278	.358	.527
17	Miguel Cabrera M. Cabrera	.885	55	205	29	57	10	0	13	38	27	2	48	3	0	235	106	23	1	0	7	7	.278	.368	.517
18	George Springer G. Springer	.877	81	333	56	88	21	0	23	47	36	4	88	4	1	374	178	44	0	1	1	5	.264	.342	.535
19	Jim Edmonds J. Edmonds	.874	64	230	33	63	16	0	13	42	30	2	72	2	2	263	118	29	0	1	3	1	.274	.361	.513
20	Freddie Freeman F. Freeman	.870	77	290	38	78	17	1	16	39	41	6	65	4	0	338	145	34	0	1	5	4	.269	.370	.500
21	Chipper Jones C. Jones	.864	93	338	58	97	18	0	13	47	72	1	61	8	3	417	154	31	1	5	11	10	.287	.409	.456
22	Carlos Correa C. Correa	.860	85	323	38	91	19	0	18	63	31	4	84	1	0	358	164	37	0	0	2	8	.282	.352	.508
23	Corey Seager C. Seager	.858	78	299	55	76	17	1	19	48	42	3	79	3	0	346	152	37	0	2	3	6	.254	.350	.508
24	Bernie Williams B. Williams	.850	121	465	83	128	29	0	22	80	71	3	85	8	5	545	223	51	0	6	11	17	.275	.371	.480
25	Enrique Hernández E. Hernández	.844	101	285	46	79	11	2	16	42	27	4	70	3	3	319	142	29	1	2	2	3	.277	.346	.498