who has the highest career slg in the playoffs with at least 150 plate appearances

Babe Ruth has the highest career slugging percentage in the postseason when making 150+ plate appearances, with a slugging percentage of .744.

	NAME	SLG	PA	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	OPS
1	Babe Ruth B. Ruth	.744	167	41	129	37	42	5	2	15	33	33	2	30	4	3	96	22	2		2	3	.326	.470	1.214
2	Lou Gehrig L. Gehrig	.731	150	34	119	30	43	8	3	10	35	26	2	17	0	1	87	21	1		2	1	.361	.483	1.214
3	Nelson Cruz N. Cruz	.631	207	50	187	35	52	12	0	18	38	19	1	45	1	1	118	30	0	0	2	5	.278	.348	.979
4	George Brett G. Brett	.627	184	43	166	30	56	8	5	10	23	17	0	20	2	3	104	23	0	1	6	4	.337	.397	1.023
5	Bryce Harper B. Harper	.614	236	54	197	41	55	13	1	17	34	35	2	55	8	1	121	31	1	1	4	5	.279	.391	1.006
6	Giancarlo Stanton G. Stanton	.614	193	46	171	26	43	8	0	18	42	18	0	48	2	0	105	26	0	4	1	5	.251	.316	.930
7	Carlos Beltran C. Beltran	.609	256	65	215	45	66	15	1	16	42	37	2	33	11	0	131	32	1	1	2	3	.307	.412	1.021
8	Albert Pujols A. Pujols	.572	360	88	304	57	97	18	1	19	54	50	5	46	1	2	174	38	0	1	20	7	.319	.422	.995
9	Yordan Alvarez Y. Alvarez	.551	252	60	214	39	63	13	3	12	41	31	5	69	0	0	118	28	0	2	5	1	.294	.393	.944
10	Steve Garvey S. Garvey	.550	232	55	222	32	75	8	3	11	31	8	0	32	2	2	122	22	2	0	4	4	.338	.361	.910
11	David Freese D. Freese	.549	230	69	204	26	61	17	2	10	36	20	4	55	0	1	112	29	0	2	2	9	.299	.370	.919
12	Manny Ramirez M. Ramirez	.544	493	111	410	67	117	19	0	29	78	72	5	91	1	1	223	48	0	6	12	17	.285	.394	.937
13	David Ortiz D. Ortiz	.543	369	85	304	51	88	22	2	17	61	59	2	72	0	1	165	41	0	4	11	4	.289	.404	.947
14	Hideki Matsui H. Matsui	.541	235	56	205	32	64	15	1	10	39	27	1	33	0	0	111	26	0	2	2	5	.312	.391	.933
15	J.D. Martinez	.540	164	41	137	16	39	5	0	10	34	24	1	42	0	1	74	15	0	2	3	2	.285	.390	.930
16	Juan Soto J. Soto	.538	191	43	160	31	45	8	0	11	30	27	2	40	2	1	86	19	1	1	4	1	.281	.389	.927
17	George Springer G. Springer	.535	319	69	284	46	76	16	0	20	39	33	2	74	4	1	152	36	0	0	1	4	.268	.348	.883
18	Pablo Sandoval P. Sandoval	.535	171	42	157	21	53	13	0	6	20	10	3	24	0	0	84	19	0	1	3	7	.338	.386	.921
19	Mickey Mantle M. Mantle	.535	273	65	230	42	59	6	2	18	40	43	0	54	3	4	123	26	0	0	6	2	.257	.374	.908
20	Lance Berkman L. Berkman	.532	224	52	186	38	59	11	1	9	41	31	3	41	4	1	99	21	0	3	6	4	.317	.417	.949
21	Kyle Schwarber K. Schwarber	.530	282	70	232	42	54	6	0	21	34	44	4	74	5	0	123	27	0	2	5	4	.233	.362	.892
22	Reggie Jackson R. Jackson	.527	318	77	281	41	78	14	1	18	48	33	3	70	5	2	148	33	0	1	3	5	.278	.358	.885
23	Johnny Bench J. Bench	.527	188	45	169	27	45	8	3	10	20	18	0	29	6	1	89	21	0	1	6	4	.266	.335	.862
24	Fred McGriff F. McGriff	.527	218	50	188	36	57	10	1	10	37	27	0	40	1	1	99	21	0	3	4	4	.303	.385	.912
25	Enrique Hernández E. Hernández	.525	271	89	242	40	69	9	2	15	38	23	4	52	3	3	127	26	1	1	2	3	.285	.356	.880