highest walk percentage in mlb history minimum 20 at bats played

Leon Pettit has the best career walk percentage with 20+ at-bats, with a walk percentage of 27.8.

Interpreted as:

highest walk percentage by a player in MLB history minimum 20 at bats played

	NAME	BB%	AB	G	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	wRC	WRAA	wOBA	wRC+	BRAA
1	Leon Pettit L. Pettit	27.8	25	41	5	2	0	0	0	2	10	0	8	0		36	2	0	1				.080	.343	.080	.423	2	-2.2	.265	49	-2.6
2	Rolla Daringer R. Daringer	26.3	27	12	4	4	1	0	0	0	10	0	7	0		38	5	1	1				.148	.378	.185	.564	4	-0.1	.314	93	-0.3
3	Fred Rico F. Rico	25.7	26	12	2	6	2	0	0	2	9	0	10	0	1	35	8	2	0	0	1	1	.231	.429	.308	.736	5	1	.351	117	0.7
4	Mike Maksudian M. Maksudian	25.0	41	34	8	9	3	0	0	6	14	0	6	0	1	56	12	3	0	1	0	2	.220	.411	.293	.703	8	0.7	.343	105	0.5
5	Danny Morejon D. Morejon	24.3	26	12	4	5	0	0	0	1	9	0	2	1	0	37	5	0	2	0	1	1	.192	.400	.192	.592	4	-0.6	.298	73	-1.2
6	Hank Biasatti H. Biasatti	24.2	24	21	6	2	2	0	0	2	8	0	5	0	0	33	4	2	1			0	.083	.313	.167	.479	2	-1.9	.269	46	-2.3
7	Colin Walsh C. Walsh	23.8	47	38	4	4	1	0	0	2	15	1	22	0	0	63	5	1	0	0	0	1	.085	.317	.106	.424	3	-4.2	.237	41	-4.6
8	Red Lanning R. Lanning	22.7	33	19	5	6	2	0	0	1	10	0	9	0		44	8	2	1				.182	.372	.242	.615	5	0.3	.324	98	-0.1
9	Bill Jones B. Jones	21.7	53	27	6	12	2	1	0	3	15	0	8	1		69	16	3	1				.226	.397	.302	.699	9	1.1	.359	101	0.1
10	Al Sauter A. Sauter	21.2	41	14	1	4	0	0	0	0	11	0		0		52	4	0					.098	.288	.098	.386	4	-4.1	.240	49	-4.1
11	Randy Gomez R. Gomez	21.1	30	14	0	5	1	0	0	0	8	0	3	0	0	38	6	1	0	0	0	2	.167	.342	.200	.542	3	-1.1	.278	75	-1
12	Mike Adams M. Adams	21.1	118	100	27	23	5	0	3	9	32	2	29	2	1	152	37	8	0	0	0	2	.195	.375	.314	.689	19	2.2	.336	106	0.9
13	Scott Reid S. Reid	20.9	68	38	10	10	1	0	0	1	18	0	27	0	1	86	11	1	0	0	1	2	.147	.326	.162	.487	5	-4.2	.253	52	-5.1
14	Bill Higdon B. Higdon	20.7	23	11	3	7	3	0	0	1	6	0	3	1	0	29	10	3	0			0	.304	.448	.435	.883	5	1.7	.421	141	1.5
15	Ted Williams T. Williams	20.6	7,706	2,292	1,798	2,654	525	71	521	1,839	2,021	39	709	24	4	9,791	4,884	1,117	5	20	86	197	.344	.482	.634	1.116	2349	1,219.7	.493	188	1,067
16	Barry Bonds B. Bonds	20.3	9,847	2,986	2,227	2,935	601	77	762	1,996	2,558	106	1,539	514	141	12,606	5,976	1,440	4	91	688	165	.298	.444	.607	1.051	2663	1,143.3	.435	172	1,142
17	Max Bishop M. Bishop	20.0	4,494	1,338	966	1,216	236	35	41	379	1,156	31	452	40		5,779	1,645	312	98				.271	.423	.366	.789	904	176.3	.383	113	104.4
18	Jackson Williams J. Williams	20.0	24	14	2	5	1	0	1	4	6	0	5	1	0	30	9	2	0	0	0	1	.208	.367	.375	.742	4	0.7	.339	108	0.3
19	Nap Kloza N. Kloza	20.0	20	22	5	3	0	1	0	2	5	0	8	0		25	5	1	0				.150	.320	.250	.570	2	-1	.286	55	-1.5
20	Bill Hanlon B. Hanlon	20.0	21	8	4	2	0	0	0	2	6	0	6	1		30	2	0	3				.095	.296	.095	.392	2	-1.8	.234	45	-2.2
21	Charlie Sands C. Sands	19.7	145	93	15	31	6	1	6	23	36	1	35	0	0	183	57	13	0	1	4	4	.214	.372	.393	.765	24	4.7	.351	126	5.4
22	George Lerchen G. Lerchen	19.7	49	36	3	10	2	0	1	5	12	0	16	1	0	61	15	3	0			1	.204	.361	.306	.667	7	0	.328	89	-0.7
23	Bob Farley B. Farley	19.5	123	84	19	20	3	1	2	9	30	0	28	0	1	154	31	6	0	1	0	0	.163	.325	.252	.577	13	-4.7	.283	70	-5.9
24	William Loughran W. Loughran	19.4	29	9	4	3	1	1	0	3	7		11			36	6	2					.103		.207		4	-0.8	.249	79	-1.2
25	Babe Ruth B. Ruth	19.4	8,399	2,503	2,174	2,873	506	136	714	2,214	2,062	43	1,330	123		10,617	5,793	1,356	113				.342	.474	.690	1.164	2727	1,436.8	.513	197	1,369.6