Garrett Hampson had the highest on-base percentage in the 2024 postseason, with an on-base percentage of 1.000.

	NAME	OBP	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	SLG	OPS
1	Garrett Hampson G. Hampson	1.000	2024	KCR	4	3	1	3	0	0	0	3	1	0	0	0	1	4	3	0	0	0	0	0	1.000	1.000	2.000
2	Justyn-Henry Malloy J. Malloy	.727	2024	DET	7	8	1	5	1	0	0	0	2	1	1	0	0	11	6	1	0	0	0	0	.625	.750	1.477
3	Ryan O'Hearn R. O'Hearn	.667	2024	BAL	2	2	0	1	0	0	0	0	1	0	0	0	0	3	1	0	0	0	0	0	.500	.500	1.167
4	Michael Harris II M. Harris II	.625	2024	ATL	2	8	2	5	1	0	1	2	0	0	1	0	0	8	9	2	0	0	0	0	.625	1.125	1.750
5	Zach McKinstry Z. McKinstry	.556	2024	DET	5	7	1	3	2	0	1	1	1	1	0	0	0	9	8	3	0	0	0	0	.429	1.143	1.698
6	Jesse Winker J. Winker	.531	2024	NYM	10	22	7	7	0	2	1	4	7	3	4	1	0	32	14	3	0	0	0	0	.318	.636	1.168
7	Bryce Harper B. Harper	.529	2024	PHI	4	12	3	4	2	0	1	3	5	0	5	0	0	17	9	3	0	0	0	0	.333	.750	1.279
8	Austin Slater A. Slater	.500	2024	BAL	1	2	0	1	0	0	0	0	0	0	1	0	0	2	1	0	0	0	0	0	.500	.500	1.000
9	Blake Perkins B. Perkins	.500	2024	MIL	2	6	0	3	0	0	0	1	1	0	1	1	0	8	3	0	0	1	0	0	.500	.500	1.000
10	Brice Turang B. Turang	.500	2024	MIL	3	11	3	5	3	0	0	0	1	0	1	2	0	12	8	3	0	0	0	1	.455	.727	1.227
11	Fernando Tatis Jr. F. Tatis Jr.	.500	2024	SDP	7	26	8	11	3	0	4	7	3	1	2	0	0	30	26	7	0	0	0	1	.423	1.000	1.500
12	Jackson Chourio J. Chourio	.500	2024	MIL	3	11	3	5	0	0	2	3	1	0	1	1	0	12	11	2	0	0	0	0	.455	1.000	1.500
13	Juan Soto J. Soto	.469	2024	NYY	14	49	12	16	3	0	4	9	14	0	9	0	0	64	31	7	0	1	2	1	.327	.633	1.101
14	Steven Kwan S. Kwan	.458	2024	CLE	10	42	10	16	1	0	0	2	6	0	4	2	0	48	17	1	0	0	0	1	.381	.405	.863
15	Oswaldo Cabrera O. Cabrera	.444	2024	NYY	7	6	0	1	1	0	0	0	3	0	3	0	0	9	2	1	0	0	0	0	.167	.333	.778
16	Pete Alonso P. Alonso	.431	2024	NYM	13	44	10	12	1	0	4	10	12	1	15	2	0	58	25	5	0	1	1	2	.273	.568	.999
17	Cedric Mullins C. Mullins	.429	2024	BAL	2	7	1	3	1	0	1	1	0	0	1	0	0	7	7	2	0	0	0	0	.429	1.000	1.429
18	Anthony Rizzo A. Rizzo	.421	2024	NYY	10	30	2	8	1	0	0	0	6	2	10	0	0	38	9	1	0	0	2	0	.267	.300	.721
19	Brayan Rocchio B. Rocchio	.421	2024	CLE	10	33	4	11	2	0	1	2	5	0	7	0	0	39	16	3	1	0	0	0	.333	.485	.906
20	J.D. Martinez	.417	2024	NYM	8	18	1	4	0	0	0	3	6	0	7	0	0	24	4	0	0	0	0	1	.222	.222	.639
21	Nick Castellanos N. Castellanos	.412	2024	PHI	4	17	2	7	1	0	1	3	0	0	3	0	0	17	11	2	0	0	0	0	.412	.647	1.059
22	Anthony Volpe A. Volpe	.407	2024	NYY	14	49	10	14	3	0	1	6	10	0	13	5	0	59	20	4	0	0	1	0	.286	.408	.815
23	Mauricio Dubón M. Dubón	.400	2024	HOU	2	5	0	2	0	0	0	0	0	0	0	0	0	5	2	0	0	0	0	0	.400	.400	.800
24	Edmundo Sosa E. Sosa	.400	2024	PHI	2	4	1	1	0	0	0	0	0	1	2	0	0	5	1	0	0	0	0	0	.250	.250	.650
25	Kody Clemens K. Clemens	.400	2024	PHI	4	5	0	2	1	0	0	1	0	0	2	0	0	5	3	1	0	0	0	0	.400	.600	1.000