Since 2021, Juan Soto has the highest on-base percentage in a season, with an on-base percentage of .465 in 2021.

Interpreted as:

highest obp with a minimum of 3.1 PA per team game by a player in a season since 2021

	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	WRC	WRAA	WOBA	WRC+	BRAA
1	Juan Soto J. Soto	.465	2021	WSH	151	502	111	157	20	2	29	95	145	2	93	9	7	654	268	51	0	5	23	23	.313	.534	.999	136	57.3	.420	164	53.2
2	Aaron Judge A. Judge	.458	2024	NYY	158	559	122	180	36	1	58	144	133	9	171	10	0	703	392	95	0	2	20	22	.322	.701	1.159	176	93.7	.476	219	95.5
3	Aaron Judge A. Judge	.457	2025	NYY	152	541	137	179	30	2	53	114	124	7	160	12	5	679	372	85	0	7	36	16	.331	.688	1.144	163	82.5	.463	203	82.7
4	Bryce Harper B. Harper	.429	2021	PHI	141	488	101	151	42	1	35	84	100	5	134	13	3	599	300	78	2	4	14	12	.309	.615	1.044	130	57.7	.431	171	54
5	Aaron Judge A. Judge	.425	2022	NYY	157	570	133	177	28	0	62	131	111	6	175	16	3	692	391	90	0	5	19	14	.311	.686	1.111	161	81.6	.458	208	84.5
6	Juan Soto J. Soto	.419	2024	NYY	157	576	128	166	31	4	41	109	129	4	119	7	4	713	328	76	0	4	2	10	.288	.569	.989	147	63.4	.421	180	65.2
7	Ronald Acuña Jr. R. Acuña Jr.	.416	2023	ATL	159	643	149	217	35	4	41	106	80	9	84	73	14	735	383	80	0	3	3	15	.337	.596	1.012	156	66.7	.428	171	64.2
8	Shohei Ohtani S. Ohtani	.412	2023	LAA	135	497	102	151	26	8	44	95	91	3	143	20	6	594	325	78	0	3	21	9	.304	.654	1.066	129	56.8	.433	179	56.5
9	Juan Soto J. Soto	.410	2023	SDP	162	568	97	156	32	1	35	109	132	2	129	12	5	708	295	68	1	5	11	18	.275	.519	.930	131	45	.395	154	47
10	Yandy Díaz Y. Díaz	.410	2023	TBR	137	525	95	173	35	0	22	78	65	8	94	0	1	600	274	57	0	2	0	16	.330	.522	.932	115	41.5	.402	164	45.7
11	Freddie Freeman F. Freeman	.410	2023	LAD	161	637	131	211	59	2	29	102	72	16	121	23	1	730	361	90	0	5	12	14	.331	.567	.976	145	55.9	.411	162	56.2
12	Mookie Betts M. Betts	.408	2023	LAD	152	584	126	179	40	1	39	107	96	8	107	14	3	693	338	80	0	5	3	5	.307	.579	.987	141	56.5	.416	166	56.7
13	Freddie Freeman F. Freeman	.407	2022	LAD	159	612	117	199	47	2	21	100	84	5	102	13	3	708	313	70	0	7	12	6	.325	.511	.918	128	46.6	.393	158	47.7
14	Yordan Alvarez Y. Alvarez	.406	2022	HOU	135	470	95	144	29	2	37	97	78	6	106	1	1	561	288	68	0	7	9	12	.306	.613	1.019	116	52.1	.427	185	53.7
15	Paul Goldschmidt P. Goldschmidt	.404	2022	STL	151	561	106	178	41	0	35	115	79	5	141	7	0	649	324	76	0	4	1	7	.317	.578	.981	131	56.5	.419	176	57.5
16	Yandy Díaz Y. Díaz	.401	2022	TBR	137	473	71	140	33	0	9	57	78	6	60	3	3	558	200	42	0	1	2	10	.296	.423	.824	89	25	.366	146	29.2
17	Juan Soto J. Soto	.401	2022	TOT	153	524	93	127	25	2	27	62	135	4	96	6	2	663	237	54	0	0	6	12	.242	.452	.853	111	34.8	.376	146	35.2
18	Vladimir Guerrero Jr. V. Guerrero Jr.	.401	2021	TOR	161	604	123	188	29	1	48	111	86	6	110	4	1	698	363	78	0	2	7	20	.311	.601	1.002	145	60.4	.419	166	56.1
19	Bryce Harper B. Harper	.401	2023	PHI	126	457	84	134	29	1	21	72	80	5	119	11	3	546	228	51	0	4	8	10	.293	.499	.900	96	29.8	.384	142	28.7
20	George Springer G. Springer	.399	2025	TOR	140	498	106	154	27	1	32	84	69	8	111	18	1	579	279	60	0	4	3	14	.309	.560	.959	113	44.6	.408	167	45.4
21	Vladimir Guerrero Jr. V. Guerrero Jr.	.396	2024	TOR	159	616	98	199	44	1	30	103	72	5	96	2	2	697	335	75	0	4	12	16	.323	.544	.940	131	49.2	.398	165	51.8
22	Juan Soto J. Soto	.396	2025	NYM	160	577	120	152	20	1	43	105	127	3	137	38	4	714	303	64	1	6	13	17	.263	.525	.921	129	44.5	.390	156	47.6
23	Luis Arraez L. Arraez	.393	2023	MIA	147	574	71	203	30	3	10	69	35	4	34	3	2	617	269	43	1	3	10	18	.354	.469	.861	101	25.9	.369	130	23.1
24	Freddie Freeman F. Freeman	.393	2021	ATL	159	600	120	180	25	2	31	83	85	8	107	8	3	695	302	58	0	2	15	11	.300	.503	.896	121	37.2	.379	136	32
25	Yordan Alvarez Y. Alvarez	.392	2024	HOU	147	552	88	170	34	2	35	86	69	10	95	6	0	635	313	71	0	4	16	14	.308	.567	.959	121	46.7	.402	167	49.1