Juan Soto has the best career on-base percentage by an active player, with an on-base percentage of .417.

Interpreted as:

highest career obp with a minimum of 1500 PA by active players

	NAME	OBP	PA	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	AVG	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Juan Soto J. Soto	.417	4,801	1,096	3,857	775	1,086	199	16	244	697	896	19	833	95	27	2,049	459	3	26	80	101	.282	.531	.948	919	344.3	.402	158	338.1
2	Aaron Judge A. Judge	.413	4,995	1,145	4,105	873	1,205	203	7	368	830	817	40	1,369	65	21	2,526	578	0	33	104	116	.294	.615	1.028	1050	453.4	.425	178	457.2
3	Mike Trout M. Trout	.407	7,200	1,648	5,966	1,196	1,754	325	55	404	1,018	1,067	106	1,662	214	38	3,401	784	0	61	130	75	.294	.570	.977	1392	555.5	.410	166	556.8
4	Yordan Alvarez Y. Alvarez	.389	2,867	677	2,455	429	728	156	6	170	493	346	40	566	9	2	1,406	332	0	26	42	60	.297	.573	.961	549	206.4	.402	163	212.4
5	Bryce Harper B. Harper	.387	7,665	1,785	6,435	1,154	1,801	401	24	363	1,051	1,105	52	1,654	152	52	3,339	788	13	60	137	139	.280	.519	.905	1322	422.1	.382	141	384.3
6	Freddie Freeman F. Freeman	.386	9,363	2,179	8,114	1,379	2,431	547	33	367	1,322	1,070	113	1,763	104	32	4,145	947	0	66	142	172	.300	.511	.897	1600	506.4	.381	142	474.4
7	Ronald Acuña Jr. R. Acuña Jr.	.384	3,663	817	3,156	655	913	157	13	186	459	439	53	821	205	50	1,654	356	0	15	21	47	.289	.524	.908	654	213.7	.386	143	194.7
8	Paul Goldschmidt P. Goldschmidt	.378	8,804	2,074	7,608	1,280	2,190	477	24	372	1,232	1,086	53	1,979	174	36	3,831	873	0	57	121	174	.288	.504	.882	1462	430.2	.375	137	385.9
9	Shohei Ohtani S. Ohtani	.374	4,316	1,018	3,730	708	1,050	192	45	280	669	541	25	1,104	165	43	2,172	517	0	20	88	49	.282	.582	.957	807	292.3	.397	156	288.6
10	Christian Yelich C. Yelich	.374	7,025	1,616	6,108	1,033	1,741	327	35	233	851	834	51	1,548	221	42	2,837	595	5	27	60	123	.285	.464	.839	1094	267.5	.361	129	250.3
11	Yandy Díaz Y. Díaz	.372	3,755	904	3,295	471	957	184	7	100	424	409	30	558	11	8	1,455	291	0	21	13	87	.290	.442	.813	570	121	.354	132	140.4
12	Mookie Betts M. Betts	.369	6,936	1,531	6,083	1,166	1,767	394	41	291	913	736	52	924	196	41	3,116	726	4	61	35	86	.290	.512	.881	1158	334.4	.374	136	307
13	Kris Bryant K. Bryant	.368	4,550	1,054	3,919	667	1,068	233	19	184	548	504	103	1,064	44	20	1,891	436	0	24	21	63	.273	.483	.851	724	180.7	.364	126	148.2
14	Jesse Winker J. Winker	.366	2,856	781	2,434	352	636	127	5	96	334	365	42	532	18	7	1,061	228	4	11	11	56	.261	.436	.802	424	82.6	.349	119	69.5
15	Vladimir Guerrero Jr. V. Guerrero Jr.	.366	4,220	975	3,734	571	1,077	211	6	183	591	430	36	645	26	13	1,849	400	0	20	39	125	.288	.495	.861	688	181.9	.367	137	184.5
16	Andrew McCutchen A. McCutchen	.365	9,705	2,262	8,350	1,290	2,266	451	50	332	1,152	1,183	94	1,893	220	90	3,813	833	3	75	74	147	.271	.457	.822	1441	313.2	.356	125	289.9
17	Alex Bregman A. Bregman	.365	5,327	1,225	4,590	758	1,250	293	18	209	725	627	67	716	43	15	2,206	520	1	42	17	120	.272	.481	.846	845	207.3	.362	133	214.7
18	Anthony Rendon A. Rendon	.364	5,022	1,173	4,350	683	1,218	295	16	158	671	547	64	779	55	17	2,019	469	4	57	30	94	.280	.464	.829	757	168.3	.356	122	141.1
19	Brandon Nimmo B. Nimmo	.364	4,365	1,066	3,723	593	974	188	32	135	463	524	87	974	54	18	1,631	355	9	22	7	46	.262	.438	.802	648	128.5	.350	126	140
20	Luis Arraez L. Arraez	.363	3,533	840	3,244	436	1,028	169	18	36	308	230	20	215	31	17	1,341	223	15	24	18	67	.317	.413	.777	491	69	.338	117	70.9
21	Corey Seager C. Seager	.362	4,887	1,131	4,344	702	1,254	270	13	221	667	473	40	875	21	8	2,213	504	0	30	54	98	.289	.509	.871	796	211.1	.368	135	209.7
22	Brendan Donovan B. Donovan	.361	2,006	492	1,765	241	498	97	5	40	202	182	43	271	15	12	725	142	4	12	6	20	.282	.411	.772	280	44.2	.340	119	45.9
23	Justin Turner J. Turner	.360	6,502	1,758	5,709	811	1,617	354	9	201	832	589	136	1,012	47	13	2,592	564	5	63	18	146	.283	.454	.814	963	197.8	.352	125	196.1
24	Jose Altuve J. Altuve	.360	8,696	1,976	7,881	1,236	2,388	455	32	255	889	655	80	1,139	325	96	3,672	742	27	53	50	215	.303	.466	.826	1304	289.5	.355	129	294.8
25	Will Smith W. Smith	.358	2,946	722	2,508	413	661	128	10	128	442	330	64	554	12	4	1,193	266	0	44	19	50	.264	.476	.834	455	103.2	.357	129	103.3