lowest on base percentage in a season with 550 at bats

Andres Thomas has the worst on-base percentage with 550+ at-bats in a season, with an on-base percentage of .228 in 1989.

Interpreted as:

lowest on base percentage by a player in a season with 550 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	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
2	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
3	Hobe Ferris H. Ferris	.245	563	1904	BSA	156	50	120	23	10	3	63	23	1	65	7		602	172	36	15				.213	.306	.551	46	-15	.263	71	-18.1
4	Joe Sommer J. Sommer	.245	560	1886	BAL	139	79	117	18	4	1	52	24	3		31		587	146	23					.209	.261	.506	58	-27.4	.243	69	-26.9
5	Danny Richardson D. Richardson	.248	561	1888	NYG	135	82	127	16	7	8	61	15	1	35	35		577	181	31					.226	.323	.570	65	-10.4	.266	86	-11.3
6	Cookie Rojas C. Rojas	.248	621	1968	PHI	152	53	144	19	0	9	48	16	0	55	4	8	650	190	28	6	7	2	13	.232	.306	.554	42	-17.8	.251	65	-22.4
7	Zoilo Versalles Z. Versalles	.249	581	1967	MIN	160	63	116	16	7	6	50	33	6	113	5	3	626	164	29	3	3	2	15	.200	.282	.531	37	-25.4	.242	53	-31.1
8	Joe Cassidy J. Cassidy	.250	576	1905	WSH	151	67	124	16	4	1	43	25	2	87	23		626	151	21	23				.215	.262	.513	42	-24.4	.250	65	-23.2
9	Rougned Odor R. Odor	.252	607	2017	TEX	162	79	124	21	3	30	75	32	8	162	15	6	651	241	54	0	4	5	13	.204	.397	.649	53	-26.8	.272	57	-34.9
10	Billy Hunter B. Hunter	.253	567	1953	SLA	154	50	124	18	1	1	37	24	2	45	3	1	604	147	20	11			12	.219	.259	.512	25	-46.9	.239	29	-53.1
11	Hobe Ferris H. Ferris	.254	561	1907	BSA	143	41	135	25	2	4	60	10	0	58	11		583	176	31	12				.241	.314	.568	46	-10.4	.277	77	-13.7
12	Tony Armas T. Armas	.254	574	1983	BOS	145	77	125	23	2	36	107	29	2	131	0	1	613	260	61	0	8	0	31	.218	.453	.707	65	-4.8	.309	85	-11.2
13	Dave Kingman D. Kingman	.255	561	1986	OAK	144	70	118	19	0	35	94	33	3	126	3	3	604	242	54	0	7	3	16	.210	.431	.686	59	-10.9	.297	86	-10.3
14	Aurelio Rodriguez A. Rodriguez	.255	571	1974	DET	159	54	127	23	5	5	49	26	1	70	2	0	608	175	33	5	5	2	16	.222	.306	.562	38	-27.4	.257	53	-31.1
15	Matt Dominguez M. Dominguez	.256	564	2014	HOU	157	51	121	17	0	16	57	29	5	125	0	1	607	186	33	2	7	2	23	.215	.330	.586	42	-23.4	.260	65	-23.6
16	Tommy Corcoran T. Corcoran	.257	578	1904	CIN	150	55	133	17	9	2	74	19	2	46	19		613	174	28	14				.230	.301	.558	49	-13.9	.267	63	-24.8
17	Horace Clarke H. Clarke	.258	579	1968	NYY	148	52	133	6	1	2	26	23	0	46	20	7	607	147	9	3	2	0	8	.230	.254	.512	33	-23	.236	59	-24.3
18	Alcides Escobar A. Escobar	.259	607	2013	KCR	158	57	142	20	4	4	52	19	3	84	22	0	642	182	28	9	4	1	12	.234	.300	.559	37	-33.6	.247	49	-36.9
19	George Stovall G. Stovall	.259	565	1909	CLE	145	60	139	17	10	2	49	6	4	40	25		595	182	29	20				.246	.322	.581	48	-9.3	.282	81	-11.5
20	Ozzie Smith O. Smith	.260	587	1979	SDP	156	77	124	18	6	0	27	37	2	37	28	7	649	154	24	22	1	5	11	.211	.262	.522	31	-44.4	.238	47	-40.7
21	Neifi Perez N. Perez	.260	554	2002	KCR	145	65	131	20	4	3	37	20	0	53	8	9	585	168	27	5	6	2	11	.236	.303	.564	32	-38	.247	39	-44
22	Tommy Helms T. Helms	.262	575	1970	CIN	150	42	136	21	1	1	45	21	0	33	2	2	605	162	23	5	4	4	18	.237	.282	.543	33	-35	.244	48	-39.1
23	Willie Davis W. Davis	.263	558	1965	LAD	142	52	133	24	3	10	57	14	7	81	25	9	595	193	37	9	7	3	7	.238	.346	.609	47	-15.9	.269	76	-16
24	Ed Brinkman E. Brinkman	.263	582	1966	WSH	158	42	133	18	9	7	48	29	0	105	7	9	625	190	34	9	5	4	17	.229	.326	.589	45	-20.8	.259	67	-22.7
25	Lou Bierbauer L. Bierbauer	.264	649	1892	PIT	152	81	153	20	9	8	65	25	0	29	11		674	215	37					.236	.331	.595	73	-16.4	.285	80	-19