who has the most career extra base hits in single postseason

Derek Jeter has the most career extra-base hits in the postseason, with 57 XBH.

	NAME	XBH	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Derek Jeter D. Jeter	57	158	650	111	200	32	5	20	61	66	5	135	18	5	734	302	9	4	3	14	.308	.374	.465	.838
2	Bernie Williams B. Williams	51	121	465	83	128	29	0	22	80	71	3	85	8	5	545	223	0	6	11	17	.275	.371	.480	.850
3	Jose Altuve J. Altuve	48	105	436	89	118	21	0	27	56	43	2	75	9	5	484	220	0	3	2	15	.271	.337	.505	.841
4	Manny Ramirez M. Ramirez	48	111	410	67	117	19	0	29	78	72	5	91	1	1	493	223	0	6	12	17	.285	.394	.544	.937
5	David Ortiz D. Ortiz	41	85	304	51	88	22	2	17	61	59	2	72	0	1	369	165	0	4	11	4	.289	.404	.543	.947
6	Albert Pujols A. Pujols	38	88	304	57	97	18	1	19	54	50	5	46	1	2	360	174	0	1	20	7	.319	.422	.572	.995
7	Alex Bregman A. Bregman	37	99	370	63	88	17	1	19	54	53	9	64	3	1	434	164	0	2	4	10	.238	.346	.443	.789
8	Carlos Correa C. Correa	37	85	323	38	91	19	0	18	63	31	4	84	1	0	358	164	0	0	2	8	.282	.352	.508	.860
9	Corey Seager C. Seager	37	78	299	55	76	17	1	19	48	42	3	79	3	0	346	152	0	2	3	6	.254	.350	.508	.858
10	Jorge Posada J. Posada	35	125	416	53	103	23	1	11	42	70	3	109	3	3	492	161	0	3	9	15	.248	.358	.387	.745
11	George Springer G. Springer	34	67	276	43	74	15	0	19	38	31	2	74	4	1	309	146	0	0	1	4	.268	.346	.529	.875
12	Justin Turner J. Turner	33	86	315	43	85	19	1	13	42	38	13	59	5	0	368	145	0	2	1	6	.270	.370	.460	.830
13	David Justice D. Justice	33	112	398	55	89	17	2	14	63	64	5	79	3	2	471	152	0	4	7	7	.224	.335	.382	.717
14	Reggie Jackson R. Jackson	33	77	281	41	78	14	1	18	48	33	3	70	5	2	318	148	0	1	3	5	.278	.358	.527	.885
15	Carlos Beltran C. Beltran	32	65	215	45	66	15	1	16	42	37	2	33	11	0	256	131	1	1	2	3	.307	.412	.609	1.021
16	Bryce Harper B. Harper	31	53	193	41	54	13	1	17	34	35	2	53	8	1	232	120	1	1	4	5	.280	.394	.622	1.016
17	Chipper Jones C. Jones	31	93	338	58	97	18	0	13	47	72	1	61	8	3	417	154	1	5	11	10	.287	.409	.456	.864
18	Mookie Betts M. Betts	30	74	293	54	76	22	0	8	34	40	1	54	16	1	339	122	0	5	7	4	.259	.345	.416	.762
19	Nelson Cruz N. Cruz	30	50	187	35	52	12	0	18	38	19	1	45	1	1	207	118	0	0	2	5	.278	.348	.631	.979
20	Jayson Werth J. Werth	30	63	227	38	57	13	2	15	30	41	2	76	6	0	271	119	0	1	4	3	.251	.369	.524	.893
21	Paul O'Neill P. O'Neill	30	85	299	39	85	17	2	11	39	38	0	41	5	0	340	139	1	2	2	12	.284	.363	.465	.828
22	David Freese D. Freese	29	69	204	26	61	17	2	10	36	20	4	55	0	1	230	112	0	2	2	9	.299	.370	.549	.919
23	Jim Edmonds J. Edmonds	29	64	230	33	63	16	0	13	42	30	2	72	2	2	263	118	0	1	3	1	.274	.361	.513	.874
24	Alex Rodriguez A. Rodriguez	29	76	278	43	72	16	0	13	41	39	9	77	8	3	330	127	1	3	4	6	.259	.365	.457	.822
25	Yordan Alvarez Y. Alvarez	28	60	214	39	63	13	3	12	41	31	5	69	0	0	252	118	0	2	5	1	.294	.393	.551	.944