Bernie Williams has the most career bases on balls for the Yankees in the postseason, with 71 bases on balls.

	NAME	BB	G	AB	R	H	2B	3B	HR	RBI	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Bernie Williams B. Williams	71	121	465	83	128	29	0	22	80	3	85	8	5	545	223	51	0	6	11	17	.275	.371	.480	.850
2	Jorge Posada J. Posada	70	125	416	53	103	23	1	11	42	3	109	3	3	492	161	35	0	3	9	15	.248	.358	.387	.745
3	Derek Jeter D. Jeter	66	158	650	111	200	32	5	20	61	5	135	18	5	734	302	57	9	4	3	14	.308	.374	.465	.838
4	Mickey Mantle M. Mantle	43	65	230	42	59	6	2	18	40	0	54	3	4	273	123	26	0	0	6	2	.257	.374	.535	.908
5	Aaron Judge A. Judge	40	65	246	42	58	8	0	17	41	3	91	5	1	292	117	25	0	3	3	4	.236	.346	.476	.822
6	Alex Rodriguez A. Rodriguez	36	61	225	37	54	13	0	10	33	9	61	7	2	273	97	23	0	3	4	5	.240	.363	.431	.794
7	Babe Ruth B. Ruth	33	36	118	37	41	5	1	15	30	2	26	4	3	155	93	21	1		2	3	.347	.497	.788	1.285
8	Paul O'Neill P. O'Neill	32	76	270	36	76	14	2	10	34	0	38	3	0	304	124	26	0	2	2	12	.281	.355	.459	.815
9	Yogi Berra Y. Berra	32	75	259	41	71	10	0	12	39	3	17	0	2	295	117	22	0	1	6	5	.274	.359	.452	.811
10	Tino Martinez T. Martinez	31	81	287	36	69	14	0	8	32	6	59	2	1	326	107	22	0	2	6	1	.240	.325	.373	.698
11	Phil Rizzuto P. Rizzuto	30	52	183	21	45	3	0	2	8	1	11	10	3	219	54	5	5	0	1	2	.246	.355	.295	.650
12	Hideki Matsui H. Matsui	27	56	205	32	64	15	1	10	39	1	33	0	0	235	111	26	0	2	2	5	.312	.391	.541	.933
13	Lou Gehrig L. Gehrig	26	34	119	30	43	8	3	10	35	2	17	0	1	150	87	21	1		2	1	.361	.483	.731	1.214
14	Gleyber Torres G. Torres	25	45	172	28	46	8	0	7	25	0	32	6	0	198	75	15	0	1	0	6	.267	.359	.436	.795
15	Giancarlo Stanton G. Stanton	20	48	177	26	45	8	0	18	44	0	49	2	0	202	107	26	0	5	1	5	.254	.322	.605	.926
16	Mark Teixeira M. Teixeira	20	36	138	17	27	6	0	3	13	4	31	1	0	163	42	9	0	1	2	3	.196	.313	.304	.617
17	Chuck Knoblauch C. Knoblauch	20	54	198	23	48	7	0	2	15	4	26	5	3	227	61	9	4	1	0	2	.242	.323	.308	.631
18	Gil McDougald G. McDougald	20	53	190	23	45	4	1	7	24	1	29	2	1	215	72	12	2	2	1	2	.237	.310	.379	.689
19	Jason Giambi J. Giambi	19	32	104	14	29	6	0	6	13	4	25	1	0	127	53	12	0	0	0	2	.279	.409	.510	.919
20	Gene Woodling G. Woodling	19	26	85	21	27	5	2	3	6	0	8	0	1	104	45	10	0		2	0	.318	.442	.529	.972
21	Joe DiMaggio J. DiMaggio	19	51	199	27	54	6	0	8	30	1	23	0	0	220	84	14	1		6	7	.271	.338	.422	.760
22	Willie Randolph W. Randolph	18	37	137	17	29	6	1	4	11	0	14	2	1	157	49	11	0	2	0	4	.212	.299	.358	.657
23	Brett Gardner B. Gardner	17	68	185	26	39	4	0	3	19	3	61	6	3	211	52	7	3	3	0	2	.211	.284	.281	.565
24	Aaron Hicks A. Hicks	16	30	97	13	21	4	1	2	12	0	25	1	0	114	33	7	0	1	0	1	.216	.325	.340	.665
25	Reggie Jackson R. Jackson	16	34	119	27	39	5	0	12	29	3	29	2	1	139	80	17	0	1	2	3	.328	.417	.672	1.090