Arky Vaughan has the best career on-base percentage by a shortstop, with an on-base percentage of .411.

Interpreted as:

What shortstop has the highest obp with a minimum of 3000 PA ever?

	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	Arky Vaughan A. Vaughan	.411	6,866	1,560	5,878	1,048	1,895	330	122	89	830	838	43	240	106		2,736	541	107			22	.322	.465	.876	1199	365.2	.405	142	358.1
2	Hughie Jennings H. Jennings	.404	4,171	928	3,612	814	1,174	176	64	15	655	254	224	145	288		1,523	255	81				.325	.422	.826	818	185.8	.398	124	160.2
3	Joe Sewell J. Sewell	.402	5,490	1,252	4,690	723	1,516	320	54	23	747	565	55	92	64		2,013	397	180				.323	.429	.831	869	188.7	.390	117	124.4
4	Luke Appling L. Appling	.398	9,649	2,283	8,359	1,256	2,593	424	100	45	1,069	1,208	11	493	169		3,352	569	71			112	.310	.401	.799	1451	307.5	.378	115	184.9
5	Honus Wagner H. Wagner	.393	9,376	2,224	8,277	1,399	2,705	499	209	78	1,350	812	98	631	596		3,856	786	189				.327	.466	.859	1611	606.6	.410	151	544.7
6	Joe Cronin J. Cronin	.391	8,297	1,891	7,119	1,182	2,161	498	116	156	1,328	988	33	636	86		3,359	770	157			44	.304	.472	.863	1393	354.4	.395	120	231.7
7	Alex Rodriguez A. Rodriguez	.382	5,687	1,275	4,989	1,009	1,535	285	22	345	990	559	72	995	177	46	2,899	652	16	51	37	110	.308	.581	.963	1073	360.5	.407	144	326.3
8	Lou Boudreau L. Boudreau	.380	7,018	1,641	6,026	860	1,779	385	66	68	787	795	34	309	51	0	2,500	519	163			155	.295	.415	.795	1013	219.1	.375	122	187.3
9	Hanley Ramirez H. Ramirez	.380	4,605	1,066	4,073	743	1,248	274	26	167	562	452	46	743	240	76	2,075	467	11	23	46	66	.306	.509	.890	766	222.8	.383	137	205.4
10	Derek Jeter D. Jeter	.377	12,602	2,747	11,195	1,923	3,465	544	66	260	1,311	1,082	170	1,840	358	97	4,921	870	97	58	39	287	.310	.440	.817	1877	346.6	.360	119	305.9
11	Cecil Travis C. Travis	.376	3,485	838	3,159	451	1,009	172	53	23	445	267	17	174	17		1,356	248	42			39	.319	.429	.805	514	91.2	.373	110	48.1
12	Barry Larkin B. Larkin	.371	9,057	2,180	7,937	1,329	2,340	441	76	198	960	939	55	817	379	77	3,527	715	59	67	66	178	.295	.444	.815	1330	240.6	.360	118	197.8
13	Eddie Joost E. Joost	.370	5,951	1,367	4,889	801	1,189	209	28	132	558	950	33	725	55	19	1,850	369	79	0	2	68	.243	.378	.748	787	97	.357	107	55.5
14	Charlie Hollocher C. Hollocher	.370	3,390	760	2,936	411	894	145	35	14	241	277	26	94	99		1,151	194	151				.304	.392	.762	452	60.2	.362	112	45.8
15	Lyn Lary L. Lary	.369	4,998	1,170	4,240	732	1,138	235	51	33	487	653	22	438	156		1,574	319	83			6	.268	.371	.740	661	23	.350	93	-50.5
16	Pee Wee Reese P. Wee Reese	.368	9,092	2,063	7,728	1,305	2,096	327	79	125	856	1,171	25	858	227	43	2,956	531	151	17	2	169	.271	.383	.751	1185	138.1	.353	105	55
17	Nomar Garciaparra N. Garciaparra	.368	4,711	1,064	4,296	761	1,373	302	50	190	738	310	49	431	87	30	2,345	542	5	51	39	98	.320	.546	.914	810	222.7	.388	132	194.1
18	Ed McKean E. McKean	.365	7,626	1,655	6,894	1,227	2,084	272	158	67	1,124	636	39	145	324		2,873	497	57				.302	.417	.781	1350	194.6	.370	110	128
19	Troy Tulowitzki T. Tulowitzki	.361	5,415	1,291	4,804	762	1,391	264	24	225	780	511	47	900	57	32	2,378	513	10	43	48	146	.290	.495	.856	834	204.1	.368	119	117.6
20	Carlos Guillen C. Guillen	.361	3,719	915	3,301	541	966	192	41	87	471	354	14	562	59	35	1,501	320	19	31	32	81	.293	.455	.815	530	72.3	.352	116	73.5
21	Michael Young M. Young	.360	3,619	792	3,333	503	1,038	198	20	81	469	252	12	492	47	11	1,519	299	0	22	6	98	.311	.456	.816	522	77.9	.355	111	47.8
22	Corey Seager C. Seager	.359	4,601	1,067	4,107	658	1,185	255	13	206	629	431	35	820	18	8	2,084	474	0	28	46	87	.289	.507	.866	742	191.6	.366	134	190.2
23	Vern Stephens V. Stephens	.359	6,031	1,395	5,399	868	1,550	252	39	214	1,012	599	5	563	22	2	2,522	505	28			132	.287	.467	.826	903	227.1	.384	120	145
24	Woody English W. English	.359	3,476	805	3,032	505	861	154	26	10	260	335	18	332	41		1,097	190	91				.284	.362	.720	425	-12.7	.341	94	-30.4
25	Jeff Blauser J. Blauser	.359	4,452	1,143	3,799	580	1,000	185	28	99	434	503	81	773	58	36	1,538	312	35	34	20	69	.263	.405	.763	591	56.6	.344	107	34.9