40 players are tied for the best career walk percentage, with a walk percentage of 100.0. The first three are Jake Brentz, Justin Bruihl and Jacob Barnes.

	NAME	BB%	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	OBP	WRC	WRAA	WOBA	WRC+	BRAA
1	Jake Brentz J. Brentz	100.0	6	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	0	1.000	0	0.3	.692	350	0.3
2	Justin Bruihl J. Bruihl	100.0	22	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	0	1.000	0	0.3	.692	343	0.3
3	Jacob Barnes J. Barnes	100.0	173	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	0	1.000	0	0.3	.693	338	0.3
4	Jason Garcia J. Garcia	100.0	3	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	0	1.000	0	0.3	.687	354	0.3
5	Robert Carson R. Carson	100.0	14	0	1	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	0	1.000	0	0.3	.690	364	0.3
6	J.J. Hoover	100.0	117	0	1	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	0	1.000	0	0.3	.689	354	0.3
7	Aaron Thompson A. Thompson	100.0	4	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	0	1.000	0	0.3	.694	359	0.3
8	Cedrick Bowers C. Bowers	100.0	5	0	1	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	0	1.000	0	0.3	.708	338	0.3
9	Kevin Melillo K. Melillo	100.0	1	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	0	1.000	0	0.3	.711	356	0.3
10	Jose Veras J. Veras	100.0	75	0	1	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	0	1.000	0	0.3	.694	359	0.3
11	George Sherrill G. Sherrill	100.0	62	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	0	1.000	0	0.3	.701	354	0.3
12	Steve Colyer S. Colyer	100.0	13	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	0	1.000	0	0.3	.706	348	0.3
13	Jason Standridge J. Standridge	100.0	1	0	0	0	0	0	0	0	1	0	0	0	1	1	0	0	0	0	0	0	1.000	0	0.3	.706	352	0.3
14	Tom Davey T. Davey	100.0	37	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	0	1.000	0	0.3	.704	345	0.3
15	Mike Duvall M. Duvall	100.0	1	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	0	1.000	0	0.3	.723	344	0.3
16	Keith Johns K. Johns	100.0	2	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	0	1.000	0	0.3	.713	339	0.3
17	Bryan Ward B. Ward	100.0	5	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	0	1.000	0	0.3	.723	345	0.3
18	Bob Wells B. Wells	100.0	3	0	1	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	0	1.000	0	0.3	.714	346	0.3
19	Bob Gebhard B. Gebhard	100.0	13	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	0	1.000	0	0.3	.694	372	0.3
20	Jim Brady J. Brady	100.0	6	0	1	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	0	1.000	0	0.3	.712	332	0.3
21	Van Fletcher V. Fletcher	100.0	9	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	0	1.000	0	0.3	.716	344	0.3
22	Eddie Gaedel E. Gaedel	100.0	1	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0			0	1.000	0	0.3	.732	338	0.3
23	Ernie Rudolph E. Rudolph	100.0	7	0	0	0	0	0	0	0	2	0	0	0		2	0	0	0			0	1.000	1	0.6	.737	336	0.6
24	Hersh Lyons H. Lyons	100.0	1	0	0	0	0	0	0	0	1	0	0	1		1	0	0	0			0	1.000	0	0.3	.735	361	0.3
25	Honey Barnes H. Barnes	100.0	1	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0				1.000	0	0.3	.744	331	0.3