50 players are tied for the highest career on-base percentage per plate appearance, with 1. The first three are Ryne Nelson, Jake Brentz and Connor Overton.

Interpreted as:

highest obp/pa by a player

	NAME	OBP/PA	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	Ryne Nelson R. Nelson	1	1.000	1	1	1	1	1	0	0	0	1	0	0	0	0	0	1	0	0	0	0	0	1.000	1.000	2.000	1	0.5	.882	489	0.5
2	Jake Brentz J. Brentz	1	1.000	1	6	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0				0	0.3	.692	350	0.3
3	Connor Overton C. Overton	1	1.000	1	6	1	1	1	0	0	0	2	0	0	0	0	0	1	0	0	0	0	0	1.000	1.000	2.000	1	0.5	.879	461	0.5
4	Justin Bruihl J. Bruihl	1	1.000	1	22	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0				0	0.3	.692	343	0.3
5	Jacob Barnes J. Barnes	1	1.000	1	173	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0				0	0.3	.693	338	0.3
6	Cody Ege C. Ege	1	1.000	1	5	1	0	1	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	1.000	1.000	2.000	1	0.5	.878	476	0.5
7	Jose Torres J. Torres	1	1.000	1	61	1	1	1	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	1.000	1.000	2.000	1	0.5	.877	463	0.5
8	Jason Garcia J. Garcia	1	1.000	1	3	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0				0	0.3	.687	354	0.3
9	Keith Hessler K. Hessler	1	1.000	1	35	1	0	1	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	1.000	1.000	2.000	1	0.5	.881	481	0.4
10	Branden Pinder B. Pinder	1	1.000	1	2	1	0	1	1	0	0	1	0	0	0	0	0	2	1	0	0	0	0	1.000	2.000	3.000	1	0.8	1.256	747	0.7
11	Gus Schlosser G. Schlosser	1	1.000	1	14	1	0	1	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	1.000	1.000	2.000	1	0.4	.892	494	0.4
12	Robert Carson R. Carson	1	1.000	1	14	0	1	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0				0	0.3	.690	364	0.3
13	J.J. Hoover	1	1.000	1	117	0	1	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0				0	0.3	.689	354	0.3
14	Jeremy Horst J. Horst	1	1.000	1	12	1	0	1	0	0	0	1	0	0	0	0	0	1	0	0	0	0	0	1.000	1.000	2.000	1	0.5	.890	490	0.5
15	Aaron Thompson A. Thompson	1	1.000	1	4	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0				0	0.3	.694	359	0.3
16	Brian Schlitter B. Schlitter	1	1.000	1	57	1	0	1	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	1.000	1.000	2.000	1	0.4	.892	494	0.4
17	Cedrick Bowers C. Bowers	1	1.000	1	5	0	1	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0				0	0.3	.708	338	0.3
18	Bobby Korecky B. Korecky	1	1.000	1	2	1	0	1	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	1.000	1.000	2.000	1	0.5	.896	480	0.5
19	Matt Tupman M. Tupman	1	1.000	1	1	1	0	1	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	1.000	1.000	2.000	1	0.5	.896	476	0.5
20	David Davidson D. Davidson	1	1.000	1	1	1	0	1	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	1.000	1.000	2.000	1	0.5	.895	477	0.5
21	Kevin Melillo K. Melillo	1	1.000	1	1	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0				0	0.3	.711	356	0.3
22	John Rheinecker J. Rheinecker	1	1.000	1	1	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0				0	0.3	.737	362	0.3
23	Jose Veras J. Veras	1	1.000	1	75	0	1	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0				0	0.3	.694	359	0.3
24	Cliff Bartosh C. Bartosh	1	1.000	1	18	1	0	1	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	1.000	1.000	2.000	1	0.5	.890	464	0.5
25	Travis Hughes T. Hughes	1	1.000	1	8	1	0	1	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	1.000	1.000	2.000	1	0.5	.890	464	0.5