Since 2017, Juan Soto has the best on-base percentage in a season, with an on-base percentage of .490 in 2020.

Interpreted as:

highest obp with a minimum of 3.1 PA per team game by a player by year since 2017

	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	.490	2020	WSH	47	154	39	54	14	0	13	37	41	1	28	6	2	196	107	27	0	0	12	1	.351	.695	1.185	51	26.1	.478	201	25.4
2	Aaron Judge A. Judge	.468	2025	NYY	78	289	68	106	18	2	28	62	53	3	88	6	3	346	212	48	0	1	17	8	.367	.734	1.202	90	49.6	.493	227	50.1
3	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
4	Freddie Freeman F. Freeman	.462	2020	ATL	60	214	51	73	23	1	13	53	45	3	37	2	0	262	137	37	0	0	7	6	.341	.640	1.102	63	30.1	.456	186	28.8
5	Mike Trout M. Trout	.460	2018	LAA	140	471	101	147	24	4	39	79	122	10	124	24	2	607	296	67	0	4	25	5	.312	.628	1.088	136	65.3	.447	189	64.4
6	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
7	Joey Votto J. Votto	.454	2017	CIN	162	559	106	179	34	1	36	100	134	8	83	5	1	707	323	71	0	6	20	16	.320	.578	1.032	150	64	.428	163	57.6
8	Mike Trout M. Trout	.442	2017	LAA	114	402	92	123	25	3	33	72	94	7	90	22	4	507	253	61	0	4	15	8	.306	.629	1.071	111	49.6	.437	180	50.1
9	Mike Trout M. Trout	.438	2019	LAA	134	470	110	137	27	2	45	104	110	16	120	11	2	600	303	74	0	4	14	5	.291	.645	1.083	136	60.4	.436	176	58.5
10	Mookie Betts M. Betts	.438	2018	BOS	136	520	129	180	47	5	32	80	81	8	91	30	6	614	333	84	0	5	8	5	.346	.640	1.078	139	67.2	.449	185	62.7
11	Marcell Ozuna M. Ozuna	.431	2020	ATL	60	228	38	77	14	0	18	56	38	0	60	0	0	267	145	32	0	1	3	3	.338	.636	1.067	61	27.9	.444	178	26.6
12	Christian Yelich C. Yelich	.429	2019	MIL	130	489	100	161	29	3	44	97	80	8	118	30	2	580	328	76	0	3	16	8	.329	.671	1.100	134	61	.442	174	56.7
13	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
14	Will Smith W. Smith	.425	2025	LAD	62	204	38	67	15	1	9	42	36	2	44	2	3	247	111	25	0	5	0	3	.328	.544	.969	49	20.2	.416	170	20.4
15	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
16	Alex Bregman A. Bregman	.423	2019	HOU	156	554	122	164	37	2	41	112	119	9	83	5	1	690	328	80	0	8	2	9	.296	.592	1.015	146	58.7	.418	167	59.1
17	Aaron Judge A. Judge	.422	2017	NYY	155	542	128	154	24	3	52	114	127	5	208	9	4	678	340	79	0	4	11	15	.284	.627	1.049	145	62.5	.430	174	61.5
18	DJ LeMahieu	.421	2020	NYY	50	195	41	71	10	2	10	27	18	2	21	3	0	216	115	22	0	1	0	3	.364	.590	1.011	47	19.8	.429	177	20.6
19	Bryce Harper B. Harper	.420	2020	PHI	58	190	41	51	9	2	13	33	49	2	43	8	2	244	103	24	1	2	8	5	.268	.542	.962	47	16.5	.400	150	15.6
20	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
21	Anthony Rendon A. Rendon	.418	2020	LAA	52	189	29	54	11	1	9	31	38	5	31	0	0	232	94	21	0	0	2	10	.286	.497	.915	44	14.8	.395	151	14.7
22	Paul Goldschmidt P. Goldschmidt	.417	2020	STL	58	191	31	58	13	0	6	21	37	1	43	1	0	230	89	19	0	1	0	4	.304	.466	.883	42	13	.387	146	13.6
23	Joey Votto J. Votto	.417	2018	CIN	145	503	67	143	28	2	12	67	108	9	101	2	0	623	211	42	0	3	6	15	.284	.419	.837	101	28	.370	131	23.2
24	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
25	Justin Turner J. Turner	.415	2017	LAD	130	457	72	147	32	0	21	71	59	19	56	7	1	543	242	53	1	7	5	12	.322	.530	.945	102	36.1	.400	150	35.1