Jose Altuve has the best career on-base percentage by an active second baseman, with an on-base percentage of .360.

Interpreted as:

highest obp with a minimum of 1500 PA by a current 2b

	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	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
2	Ketel Marte K. Marte	.350	3,122	747	2,746	429	745	159	26	117	377	316	32	499	31	7	1,307	302	1	27	21	63	.271	.476	.826	470	101.1	.354	124	90.5
3	Jonathan India J. India	.346	2,795	659	2,402	371	598	130	6	72	274	288	81	575	42	15	956	208	4	20	2	57	.249	.398	.744	368	36.7	.329	103	11.4
4	Jake Cronenworth J. Cronenworth	.345	2,025	499	1,745	269	443	98	15	53	238	212	42	358	13	7	730	166	7	19	10	18	.254	.418	.764	273	32.7	.333	116	39.8
5	Nico Hoerner N. Hoerner	.344	2,273	549	2,057	305	581	105	9	23	206	161	39	247	111	24	773	137	1	15	5	30	.282	.376	.720	278	5.9	.318	103	8.6
6	Jeff McNeil J. McNeil	.341	2,845	738	2,552	330	701	141	17	53	269	206	61	331	32	2	1,035	211	10	16	7	34	.275	.406	.747	368	31	.327	111	38.1
7	Gleyber Torres G. Torres	.337	3,021	720	2,672	376	702	120	4	104	358	298	18	586	37	17	1,142	228	4	29	5	56	.263	.427	.765	404	48	.333	115	53
8	Brandon Lowe B. Lowe	.326	2,994	745	2,657	415	657	126	12	157	446	282	36	817	33	5	1,278	295	0	19	7	30	.247	.481	.807	432	72	.344	125	89.3
9	Brice Turang B. Turang	.325	1,726	448	1,547	215	398	61	9	31	172	154	5	349	100	18	570	101	10	10	3	20	.257	.368	.693	194	-11.3	.306	94	-14
10	Bryson Stott B. Stott	.324	1,771	446	1,590	209	416	73	7	39	185	146	11	284	87	11	620	119	3	21	3	23	.262	.390	.714	208	-3.2	.312	97	-6.2
11	Marcus Semien M. Semien	.321	3,452	771	3,099	501	783	153	14	138	421	305	20	574	73	16	1,378	305	0	28	3	38	.253	.445	.766	457	48.1	.330	111	46.8
12	Javier Báez J. Báez	.320	1,683	475	1,572	230	441	89	12	72	249	78	17	443	44	17	770	173	8	8	27	28	.281	.490	.810	228	28.4	.338	110	19.7
13	Ozzie Albies O. Albies	.320	4,469	1,028	4,088	623	1,086	235	33	157	582	307	35	735	98	23	1,858	425	2	37	12	42	.266	.455	.774	591	53.7	.330	105	28.9
14	Andrés Giménez A. Giménez	.319	2,175	552	1,960	245	502	86	10	48	229	117	71	387	92	16	752	144	12	15	8	38	.256	.384	.703	248	-8.5	.308	100	-1.3
15	Tommy Edman T. Edman	.306	2,226	546	2,043	304	518	110	12	50	209	138	24	351	92	13	802	172	7	14	4	27	.254	.393	.699	246	-18.3	.304	93	-18.2
16	Luis García Jr. L. García Jr.	.300	1,922	511	1,805	233	477	95	8	51	224	97	2	302	46	17	741	154	1	17	5	40	.264	.411	.710	215	-14.7	.305	93	-17.4