Since January 1, 2020, Juan Soto has the highest on-base percentage with 300+ at-bats, with an on-base percentage of .422.

Interpreted as:

highest obp by a player since jan 1 2020 min 300 ab

	NAME	OBP	AB	G	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	SLG	OPS
1	Juan Soto J. Soto	.422	2,532	727	504	708	133	9	154	439	625	13	507	47	20	3,189	1,321	296	1	18	57	76	.280	.522	.944
2	Aaron Judge A. Judge	.421	2,363	654	500	725	122	3	226	520	455	22	721	39	8	2,856	1,531	351	0	16	62	69	.307	.648	1.069
3	Freddie Freeman F. Freeman	.405	2,779	733	533	881	206	10	125	465	385	44	504	55	10	3,233	1,482	341	0	25	59	55	.317	.533	.938
4	Bryce Harper B. Harper	.394	2,257	623	404	653	163	5	125	374	384	20	563	58	16	2,686	1,201	293	4	21	52	60	.289	.532	.926
5	Buster Posey B. Posey	.390	395	113	68	120	23	0	18	56	56	1	87	0	0	454	197	41	0	2	5	15	.304	.499	.889
6	Ronald Acuña Jr. R. Acuña Jr.	.388	1,789	463	382	524	99	6	101	258	251	35	418	143	35	2,086	938	206	0	11	11	30	.293	.524	.913
7	Yordan Alvarez Y. Alvarez	.383	2,077	571	361	606	126	6	140	406	282	38	460	9	1	2,420	1,164	272	0	23	36	50	.292	.560	.943
8	Shohei Ohtani S. Ohtani	.378	2,634	706	515	742	135	33	207	481	399	18	770	134	34	3,065	1,564	375	0	14	72	34	.282	.594	.972
9	Iván Herrera I. Herrera	.378	371	122	60	111	21	1	10	58	44	6	90	6	0	427	164	32	1	5	0	11	.299	.442	.820
10	Yandy Díaz Y. Díaz	.371	2,360	641	321	678	134	2	68	309	299	23	386	7	5	2,696	1,020	204	0	14	8	60	.287	.432	.803
11	Mike Trout M. Trout	.370	1,285	350	235	347	62	9	102	221	189	20	404	14	2	1,503	733	173	0	9	22	12	.270	.570	.940
12	Mookie Betts M. Betts	.369	2,496	640	500	702	147	14	140	392	330	31	414	67	14	2,878	1,297	301	0	21	8	34	.281	.520	.889
13	Brandon Belt B. Belt	.369	1,067	329	168	275	59	4	65	155	176	15	361	4	2	1,262	537	128	0	4	7	28	.258	.503	.873
14	Vladimir Guerrero Jr. V. Guerrero Jr.	.368	2,896	754	457	839	159	4	153	464	340	30	499	20	10	3,282	1,465	316	0	16	35	94	.290	.506	.874
15	Brendan Donovan B. Donovan	.368	1,518	429	208	436	83	5	34	176	158	40	231	15	10	1,728	631	122	3	9	4	19	.287	.416	.783
16	James Wood J. Wood	.367	517	137	81	142	28	4	25	85	73	3	167	23	11	594	253	57	0	1	3	5	.275	.489	.856
17	Xavier Edwards X. Edwards	.367	515	143	69	155	18	6	1	40	55	2	100	47	8	582	188	25	4	6	2	1	.301	.365	.732
18	Matt Wallner M. Wallner	.367	551	188	80	139	36	4	31	93	67	33	220	6	1	652	276	71	0	1	2	3	.252	.501	.867
19	Paul Goldschmidt P. Goldschmidt	.365	2,757	732	436	790	167	4	125	408	335	17	689	46	2	3,125	1,340	296	0	16	14	60	.287	.486	.851
20	Jacob Wilson J. Wilson	.365	312	84	42	99	14	2	7	34	21	3	24	4	0	339	138	23	2	1	1	13	.317	.442	.807
21	Luis Arraez L. Arraez	.364	2,498	644	338	795	129	16	27	239	170	18	170	20	12	2,710	1,037	172	7	17	17	56	.318	.415	.779
22	Christian Yelich C. Yelich	.363	2,209	602	389	573	102	11	77	287	346	16	613	91	14	2,581	928	190	2	8	24	40	.259	.420	.783
23	Kyle Tucker K. Tucker	.361	2,333	641	383	651	136	19	133	441	306	7	409	104	12	2,668	1,224	288	0	22	29	44	.279	.525	.886
24	Michael Brantley M. Brantley	.361	936	246	127	282	60	4	20	102	83	6	113	4	1	1,029	410	84	1	3	3	17	.301	.438	.799
25	Jesse Winker J. Winker	.361	1,691	530	242	425	87	3	66	238	263	32	401	17	4	1,998	716	156	2	10	5	38	.251	.423	.784