Since 2022, Bryce Harper has the best OPS by a first baseman in the postseason, with an OPS of 1.279.

	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	Bryce Harper B. Harper	1.279	4	12	3	4	2	0	1	3	5	0	5	0	0	17	9	3	0	0	0	0	.333	.529	.750
2	Josh Bell J. Bell	1.250	2	8	1	4	2	0	0	1	0	0	1	0	0	8	6	2	0	0	0	0	.500	.500	.750
3	Jake Bauers J. Bauers	1.167	2	6	1	2	0	0	1	1	0	0	3	0	0	6	5	1	0	0	0	0	.333	.333	.833
4	Pete Alonso P. Alonso	1.003	16	54	12	15	1	0	5	11	14	1	19	2	0	70	31	6	0	1	1	2	.278	.429	.574
5	Kody Clemens K. Clemens	1.000	4	5	0	2	1	0	0	1	0	0	2	0	0	5	3	1	0	0	0	0	.400	.400	.600
6	José Abreu J. Abreu	.945	11	44	6	13	1	0	4	13	4	0	8	1	0	48	26	5	0	0	0	0	.295	.354	.591
7	Anthony Rizzo A. Rizzo	.850	19	59	6	16	3	0	2	8	11	5	18	0	1	75	25	5	0	0	2	0	.271	.427	.424
8	Freddie Freeman F. Freeman	.843	20	76	8	19	3	1	5	16	8	1	13	2	0	85	39	9	0	0	1	1	.250	.329	.513
9	Matt Olson M. Olson	.774	10	36	5	9	0	0	2	5	6	0	6	0	0	42	15	2	0	0	0	0	.250	.357	.417
10	Yuli Gurriel Y. Gurriel	.742	19	71	8	21	2	0	2	4	4	0	3	2	0	75	29	4	0	0	0	1	.296	.333	.408
11	Carlos Santana C. Santana	.730	2	7	1	2	0	0	0	1	2	0	2	0	0	9	2	0	0	0	0	0	.286	.444	.286
12	Christian Walker C. Walker	.710	17	60	7	13	5	0	1	7	13	1	19	6	0	75	21	6	0	1	1	0	.217	.360	.350
13	Ryan O'Hearn R. O'Hearn	.661	5	7	0	2	0	0	0	0	1	0	1	0	0	8	2	0	0	0	0	0	.286	.375	.286
14	Nathaniel Lowe N. Lowe	.657	17	66	10	14	2	0	3	6	6	0	22	0	0	72	25	5	0	0	0	0	.212	.278	.379
15	Spencer Torkelson S. Torkelson	.625	7	21	2	4	3	0	0	1	3	0	11	0	0	24	7	3	0	0	0	2	.190	.292	.333
16	Brandon Drury B. Drury	.625	8	30	2	7	1	0	1	5	1	0	11	0	0	31	11	2	0	0	0	0	.233	.258	.367
17	Rhys Hoskins R. Hoskins	.577	20	78	9	11	1	0	6	13	4	1	27	0	0	83	30	7	0	0	0	3	.141	.193	.385
18	Ty France T. France	.528	5	26	1	6	1	0	0	2	1	0	6	0	0	27	7	1	0	0	0	0	.231	.259	.269
19	Josh Naylor J. Naylor	.526	17	71	4	15	3	0	1	8	2	0	16	0	0	74	21	4	0	1	0	3	.211	.230	.296
20	Jake Cronenworth J. Cronenworth	.467	7	22	2	3	0	1	0	0	2	1	9	0	0	25	5	1	0	0	0	0	.136	.240	.227
21	Luis Arraez L. Arraez	.452	7	31	4	7	0	0	0	0	0	0	1	0	0	31	7	0	0	0	0	2	.226	.226	.226
22	Vladimir Guerrero Jr. V. Guerrero Jr.	.435	4	15	1	2	1	0	0	1	2	0	1	0	0	17	3	1	0	0	1	0	.133	.235	.200
23	Donovan Solano D. Solano	.408	5	10	1	1	0	0	0	0	3	0	4	0	0	13	1	0	0	0	0	1	.100	.308	.100
24	Vinnie Pasquantino V. Pasquantino	.405	6	23	0	3	1	0	0	2	3	0	9	0	0	26	4	1	0	0	0	0	.130	.231	.174
25	Owen Miller O. Miller	.384	5	9	0	1	0	0	0	0	1	1	4	0	0	11	1	0	0	0	0	1	.111	.273	.111