obp leader by a ss in a season since 1970

Since 1970, Derek Jeter has the highest on-base percentage by a shortstop in a season, with an on-base percentage of .438 in 1999.

Interpreted as:

obp with a minimum of 3.1 PA per team game leader by a ss in a season since 1970

	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	Derek Jeter D. Jeter	.438	1999	NYY	158	627	134	219	37	9	24	102	91	12	116	19	8	739	346	70	3	6	5	12	.349	.552	.989	152	55.8	.428	157	56.1
2	Nomar Garciaparra N. Garciaparra	.434	2000	BOS	140	529	104	197	51	3	21	96	61	2	50	5	2	599	317	75	0	7	20	8	.372	.599	1.033	126	47.5	.432	154	44
3	Alex Rodriguez A. Rodriguez	.420	2000	SEA	148	554	134	175	34	2	41	132	100	7	121	15	4	672	336	77	0	11	5	10	.316	.606	1.026	141	52.7	.431	158	53.3
4	Nomar Garciaparra N. Garciaparra	.418	1999	BOS	135	532	103	190	42	4	27	104	51	8	39	14	3	595	321	73	0	4	7	11	.357	.603	1.022	125	47.8	.434	157	45
5	Derek Jeter D. Jeter	.417	2006	NYY	154	623	118	214	39	3	14	97	69	12	102	34	5	715	301	56	7	4	4	13	.343	.483	.900	127	37.1	.392	137	34.4
6	Derek Jeter D. Jeter	.416	2000	NYY	148	593	119	201	31	4	15	73	68	12	99	22	4	679	285	50	3	3	4	14	.339	.481	.896	121	31.9	.395	133	30.6
7	Alex Rodriguez A. Rodriguez	.414	1996	SEA	146	601	141	215	54	1	36	123	59	4	104	15	4	677	379	91	6	7	1	15	.358	.631	1.045	149	62.1	.443	159	55.4
8	Hanley Ramirez H. Ramirez	.410	2009	FLA	151	576	101	197	42	1	24	106	61	9	101	27	8	652	313	67	1	5	14	9	.342	.543	.954	120	42.1	.407	149	39.2
9	Barry Larkin B. Larkin	.410	1996	CIN	152	517	117	154	32	4	33	89	96	7	52	36	10	627	293	69	0	7	3	20	.298	.567	.977	124	43.7	.417	157	45.1
10	Derek Jeter D. Jeter	.406	2009	NYY	153	634	107	212	27	1	18	66	72	5	90	30	5	716	295	46	4	1	4	18	.334	.465	.871	119	33.1	.385	130	26.9
11	Jeff Blauser J. Blauser	.405	1997	ATL	151	519	90	160	31	4	17	70	70	20	101	5	1	623	250	52	5	9	6	13	.308	.482	.886	106	28.9	.388	135	27.3
12	Toby Harrah T. Harrah	.403	1975	TEX	151	522	81	153	24	1	20	93	98	1	71	23	9	631	239	45	6	4	3	7	.293	.458	.861	104	34.8	.395	147	33.5
13	Walt Weiss W. Weiss	.403	1995	COL	137	427	65	111	17	3	1	25	98	5	57	15	3	537	137	21	6	1	8	7	.260	.321	.724	70	3.2	.340	81	-13.2
14	Alan Trammell A. Trammell	.402	1987	DET	151	597	109	205	34	3	28	105	60	3	47	21	2	668	329	65	2	6	8	11	.343	.551	.953	127	45.2	.407	152	43.9
15	Jeff Blauser J. Blauser	.401	1993	ATL	161	597	110	182	29	2	15	73	85	16	109	16	6	710	260	46	5	7	0	13	.305	.436	.837	115	29.8	.379	128	24.4
16	Carlos Guillen C. Guillen	.400	2006	DET	153	543	100	174	41	5	19	85	71	4	87	20	9	622	282	65	0	4	10	16	.320	.519	.920	110	31.5	.391	136	29.3
17	Hanley Ramirez H. Ramirez	.400	2008	FLA	153	589	125	177	34	4	33	67	92	8	122	35	12	693	318	71	0	4	9	5	.301	.540	.940	126	42.7	.403	144	38.3
18	Alex Rodriguez A. Rodriguez	.399	2001	TEX	162	632	133	201	34	1	52	135	75	16	131	18	3	732	393	87	0	9	6	17	.318	.622	1.021	151	60.3	.425	159	54.3
19	John Valentin J. Valentin	.399	1995	BOS	135	520	108	155	37	2	27	102	81	10	67	20	5	621	277	66	4	6	2	7	.298	.533	.931	115	37	.405	138	31.1
20	Omar Vizquel O. Vizquel	.397	1999	CLE	144	574	112	191	36	4	5	66	65	1	50	42	9	664	250	45	17	7	0	8	.333	.436	.833	104	17.8	.372	115	13.7
21	Barry Larkin B. Larkin	.397	1998	CIN	145	538	93	166	34	10	17	72	79	2	69	26	3	626	271	61	4	3	5	12	.309	.504	.901	109	31.2	.391	135	27.9
22	Alex Rodriguez A. Rodriguez	.396	2003	TEX	161	607	124	181	30	6	47	118	87	15	126	17	3	715	364	83	0	6	10	16	.298	.600	.995	141	53.1	.416	151	46
23	Rafael Furcal R. Furcal	.394	2000	ATL	131	455	87	134	20	4	4	37	73	3	80	40	14	542	174	28	9	2	0	2	.295	.382	.776	78	6.8	.355	107	4.9
24	Edgar Renteria E. Renteria	.394	2003	STL	157	587	96	194	47	1	13	100	65	1	54	34	7	663	282	61	3	7	12	21	.330	.480	.874	107	26.2	.375	128	24
25	Trea Turner T. Turner	.394	2020	WSH	59	233	46	78	15	4	12	41	22	2	36	12	4	259	137	31	0	2	0	5	.335	.588	.982	53	20.3	.413	158	19.4