lowest on base percentage in a season with 400 at bats

Rob Picciolo has the worst on-base percentage with 400+ at-bats in a season, with an on-base percentage of .218 in his rookie season in 1977.

Interpreted as:

lowest on base percentage by a player in a season with 400 or more at bats

	NAME	OBP	AB	SEASON	TM	G	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	Rob Picciolo R. Picciolo	.218	419	1977	OAK	148	35	84	12	3	2	22	9	1	55	1	4	446	108	17	14	3	0	8	.200	.258	.475	13	-39.4	.213	28	-38.2
2	Sadie Houck S. Houck	.219	455	1886	TOT	113	43	92	11	1	0	31	6	4	28	29		465	105	12					.202	.231	.450	36	-31.7	.215	54	-31.9
3	Hal Lanier H. Lanier	.222	486	1968	SFG	151	37	100	14	1	0	27	12	0	57	2	2	518	116	15	14	6	0	17	.206	.239	.461	19	-28.9	.210	38	-31.5
4	J.P. Arencibia	.227	474	2013	TOR	138	45	92	18	0	21	55	18	3	148	0	2	497	173	39	0	2	0	8	.194	.365	.592	33	-21.4	.259	57	-24.5
5	Andres Thomas A. Thomas	.228	554	1989	ATL	141	41	118	18	0	13	57	12	0	62	3	3	571	175	31	1	4	3	17	.213	.316	.544	32	-30.6	.242	44	-35.3
6	Bob Lillis B. Lillis	.229	469	1963	HOU	147	31	93	13	1	1	19	15	4	35	3	4	496	111	15	7	1	1	8	.198	.237	.466	18	-34.2	.211	38	-33.7
7	Harry Lyons H. Lyons	.230	499	1888	STL	123	66	97	10	5	4	63	20	3	47	36		522	129	19					.194	.259	.488	46	-22.3	.233	58	-30
8	Joe Dugan J. Dugan	.230	411	1918	PHA	121	26	80	11	3	3	34	16	3	55	4		447	106	17	17				.195	.258	.488	21	-22.3	.241	43	-26.5
9	Jack McGeachey J. McGeachey	.231	452	1888	IND	118	45	99	15	2	0	30	5	2	21	49		459	118	17					.219	.261	.492	40	-19.9	.232	60	-24.9
10	Bones Ely B. Ely	.232	411	1901	TOT	110	29	87	12	5	0	44	9	2	42	11		435	109	17	13				.212	.265	.497	26	-30.8	.235	42	-34.3
11	Hobe Ferris H. Ferris	.232	556	1909	SLA	148	36	120	18	5	4	58	12	0	58	11		583	160	27	15				.216	.288	.520	37	-19.8	.254	64	-21.4
12	Fred Raymer F. Raymer	.232	498	1905	BSN	137	26	105	14	2	0	31	8	6	47	15		522	123	16	10				.211	.247	.479	29	-26.4	.233	46	-33.3
13	Germany Smith G. Smith	.233	428	1897	BKN	112	47	86	17	3	0	29	14	4	23	1		453	109	20	7				.201	.255	.488	22	-46.5	.235	36	-45.5
14	Omar Infante O. Infante	.234	440	2015	KCR	124	39	97	23	7	2	44	9	0	69	2	2	455	140	32	2	4	0	8	.220	.318	.552	24	-27.5	.238	43	-30
15	Jim Donnelly J. Donnelly	.234	425	1887	WSH	117	51	85	9	6	1	46	16	3	26	42		444	109	16					.200	.256	.491	35	-38.2	.233	50	-37.5
16	Billy Sullivan B. Sullivan	.235	430	1908	CWS	137	40	82	8	4	0	29	22	3	62	15		476	98	12	21				.191	.228	.463	24	-20.1	.230	58	-19.3
17	Fred Raymer F. Raymer	.236	419	1904	BSN	114	28	88	12	3	1	27	13	1	34	17		453	109	16	20				.210	.260	.496	27	-18.9	.238	55	-22.4
18	Bobby Lowe B. Lowe	.236	507	1904	TOT	141	47	105	14	6	0	40	17	2	44	15		541	131	20	15				.207	.258	.494	32	-22.8	.238	57	-24.5
19	Doug Flynn D. Flynn	.236	463	1982	TOT	146	26	104	12	4	0	39	8	0	37	6	4	485	124	16	10	4	0	9	.225	.268	.504	20	-34.7	.226	37	-35.5
20	Hunter Hill H. Hill	.236	509	1904	TOT	135	37	104	9	1	0	31	17	4	42	14		554	115	10	24				.204	.226	.462	28	-28.1	.225	52	-28.2
21	Jim Levey J. Levey	.237	529	1933	SLA	141	43	103	10	4	2	36	26	3	68	4	6	567	127	16	9				.195	.240	.477	21	-44.5	.227	23	-58.3
22	Bill Kuehne B. Kuehne	.237	481	1886	PIT	117	73	98	16	17	1	48	19	2		26		502	151	34					.204	.314	.551	55	-18.1	.256	80	-14.8
23	Tim Foli T. Foli	.238	425	1977	TOT	117	32	94	22	4	4	30	11	0	20	2	4	445	136	30	3	6	1	7	.221	.320	.558	24	-28.1	.244	45	-29.7
24	Bill Hallman B. Hallman	.238	464	1901	TOT	128	48	86	13	5	0	41	28	4	42	13		525	109	18	29				.185	.235	.473	29	-39	.231	43	-39.5
25	Bobby Byrne B. Byrne	.238	439	1908	SLN	127	27	84	7	1	0	14	23	4	59	16		490	93	8	24				.191	.212	.450	23	-22.2	.225	48	-25.4