Ronald Acuña Jr. has the best on-base percentage by an active player this season, with an on-base percentage of .500.

Interpreted as:

active MLB player with highest obp with a minimum of 1.55 PA per team game this regular season

	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	Ronald Acuña Jr. R. Acuña Jr.	.500	2025	ATL	30	107	31	41	5	0	9	18	25	0	32	4	0	132	73	14	0	0	2	1	.383	.682	1.182	35	19.5	.499	224	19.2
2	Aaron Judge A. Judge	.461	2025	NYY	80	299	70	108	19	2	28	63	53	3	91	6	3	356	215	49	0	1	17	8	.361	.719	1.180	90	48.9	.486	222	49.5
3	Will Smith W. Smith	.425	2025	LAD	63	209	39	69	15	1	9	42	36	2	46	2	3	252	113	25	0	5	0	3	.330	.541	.965	50	20.5	.415	170	20.6
4	Ketel Marte K. Marte	.416	2025	AZ	54	198	46	62	11	0	15	32	31	4	33	2	1	233	118	26	0	0	4	6	.313	.596	1.012	49	21.7	.430	177	21.1
5	Tyler Freeman T. Freeman	.414	2025	COL	40	108	20	36	7	1	1	11	11	6	9	9	3	128	48	9	0	3	0	5	.333	.444	.859	21	6.7	.379	130	4.5
6	Jonathan Aranda J. Aranda	.412	2025	TBR	76	255	41	84	16	0	8	41	30	7	70	0	1	294	124	24	0	2	1	4	.329	.486	.898	53	18.7	.393	161	20.5
7	Kyle Tucker K. Tucker	.395	2025	CHC	80	300	57	86	16	4	16	49	53	2	52	19	1	357	158	36	0	2	7	5	.287	.527	.922	64	22.6	.393	156	23.2
8	J.P. Crawford	.394	2025	SEA	76	272	35	76	10	0	6	30	50	2	58	5	1	328	104	16	3	1	1	2	.279	.382	.776	48	9.8	.351	134	12.6
9	Juan Soto J. Soto	.393	2025	NYM	80	285	58	73	14	0	19	45	66	1	57	9	1	356	144	33	0	4	5	14	.256	.505	.899	62	20.6	.386	152	21.7
10	Iván Herrera I. Herrera	.392	2025	STL	42	150	22	48	8	0	8	36	16	3	32	1	0	171	80	16	0	2	0	7	.320	.533	.925	31	11.7	.400	159	11.9
11	Shohei Ohtani S. Ohtani	.391	2025	LAD	79	313	79	91	12	6	27	51	50	3	93	11	4	368	196	45	0	2	10	4	.291	.626	1.018	75	32.1	.423	175	32.4
12	Rafael Devers R. Devers	.390	2025	TOT	81	303	49	80	19	0	16	61	60	4	84	1	1	369	147	35	0	2	7	7	.264	.485	.875	62	18.9	.378	141	17.2
13	Vladimir Guerrero Jr. V. Guerrero Jr.	.387	2025	TOR	79	292	48	82	16	0	11	40	46	6	48	2	2	346	131	27	0	2	5	4	.281	.449	.836	54	14.3	.365	139	15.2
14	Jacob Wilson J. Wilson	.387	2025	ATH	77	304	41	105	15	0	9	40	18	3	22	5	1	327	147	24	1	1	1	14	.345	.484	.870	55	17.3	.380	148	17.8
15	Gleyber Torres G. Torres	.386	2025	DET	69	249	40	70	13	0	8	40	41	4	36	4	1	298	107	21	0	4	0	7	.281	.430	.816	46	11.5	.362	136	12.3
16	Alex Bregman A. Bregman	.385	2025	BOS	51	197	32	59	17	0	11	35	22	6	42	1	1	226	109	28	0	1	1	3	.299	.553	.938	42	16.1	.403	158	14.9
17	Ryan O'Hearn R. O'Hearn	.384	2025	BAL	67	229	30	69	9	0	11	30	27	5	44	3	1	263	111	20	0	2	1	7	.301	.485	.869	44	13.7	.379	149	14.7
18	Pavin Smith P. Smith	.384	2025	AZ	72	198	31	53	14	1	8	25	38	0	74	2	2	237	93	23	0	1	1	6	.268	.470	.854	39	11.3	.373	139	10.7
19	Freddie Freeman F. Freeman	.382	2025	LAD	69	258	42	80	21	1	9	41	29	3	59	0	1	293	130	31	0	3	5	7	.310	.504	.886	49	15.2	.379	145	15.5
20	Cal Raleigh C. Raleigh	.382	2025	SEA	78	292	58	81	15	0	32	69	46	4	87	9	2	343	192	47	0	1	6	3	.277	.658	1.039	72	32.7	.433	191	35.6
21	Pete Alonso P. Alonso	.380	2025	NYM	81	304	45	87	22	1	18	64	37	11	83	0	2	355	165	41	0	3	2	12	.286	.543	.923	64	23.3	.396	159	24.4
22	Marcell Ozuna M. Ozuna	.379	2025	ATL	76	271	34	67	10	0	11	40	58	2	75	0	0	335	110	21	0	4	2	7	.247	.406	.785	48	9.7	.350	122	8.8
23	Jeremy Peña J. Peña	.379	2025	HOU	81	315	48	102	18	1	11	40	20	9	55	15	2	347	155	30	1	2	1	6	.324	.492	.871	58	18.1	.379	148	19
24	José Ramírez J. Ramírez	.378	2025	CLE	77	290	43	92	16	1	13	38	27	4	35	21	5	325	149	30	0	4	7	2	.317	.514	.892	54	17	.379	148	17.9
25	Alex Call A. Call	.377	2025	WSH	55	153	23	42	7	2	2	17	21	6	25	1	0	188	59	11	5	3	0	4	.275	.386	.763	26	4.3	.342	119	4.2