The New York Highlanders had their worst on-base percentage in a season in 1908, with an on-base percentage of .283.

Interpreted as:

worst team obp in a regular season yankees history

	TEAM	OBP	SEASON	G	W%	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	SLG	OPS
1	Highlanders	.283	1908	155	.331	51	103	5,046	459	1,190	142	50	13	372	288	45	639	231		5,532	1,471	205	153				.236	.292	.575
2	Yankees	.292	1968	164	.512	83	79	5,310	536	1,137	154	34	109	501	566	30	958	90	50	5,992	1,686	297	56	30	52	100	.214	.318	.609
3	Yankees	.296	1967	163	.444	72	90	5,443	522	1,225	166	17	100	473	532	30	1,043	63	37	6,118	1,725	283	78	35	37	115	.225	.317	.613
4	Yankees	.299	1965	162	.475	77	85	5,470	611	1,286	196	31	149	576	489	19	951	35	20	6,081	1,991	376	72	31	62	118	.235	.364	.663
5	Highlanders	.299	1907	152	.473	70	78	5,044	605	1,258	150	67	15	497	304	53	533	206		5,530	1,587	232	129				.249	.315	.614
6	Yankees	.299	1966	160	.440	70	89	5,330	611	1,254	182	36	162	569	485	21	817	49	29	5,936	1,994	380	58	42	41	111	.235	.374	.674
7	Yankees	.300	1990	162	.414	67	95	5,483	603	1,322	208	19	147	561	427	53	1,027	119	45	6,036	2,009	374	37	36	41	114	.241	.366	.667
8	Yankees	.304	2023	162	.506	82	80	5,323	673	1,207	221	15	219	650	557	47	1,427	100	30	5,972	2,115	455	9	36	18	119	.227	.397	.701
9	Yankees	.307	2014	162	.519	84	78	5,497	633	1,349	247	26	147	591	452	56	1,133	112	26	6,081	2,089	420	29	47	16	111	.245	.380	.687
10	Yankees	.307	2013	162	.525	85	77	5,449	650	1,321	247	24	144	614	466	57	1,214	115	31	6,044	2,048	415	36	36	33	121	.242	.376	.683
11	Highlanders	.307	1905	152	.477	71	78	4,957	588	1,228	163	61	23	480	360	67	534	200		5,535	1,582	247	151				.248	.319	.627
12	Yankees	.308	1969	162	.497	80	81	5,308	562	1,247	210	44	94	521	565	14	840	119	74	5,990	1,827	348	63	40	51	105	.235	.344	.652
13	Highlanders	.308	1904	155	.609	92	59	5,220	598	1,354	195	91	27	499	312	57	552	163		5,724	1,812	313	135				.259	.347	.655
14	Yankees	.309	1963	161	.646	104	57	5,506	714	1,387	197	35	188	666	434	31	808	42	26	6,067	2,218	420	66	30	46	91	.252	.403	.711
15	Highlanders	.309	1903	136	.537	72	62	4,565	579	1,136	193	62	18	474	332	65	461	160		5,091	1,507	273	129				.249	.330	.639
16	Yankees	.310	1917	155	.464	71	82	5,136	524	1,226	172	52	27	445	496	38	535	136		5,858	1,583	251	188				.239	.308	.619
17	Highlanders	.313	1909	153	.490	74	77	4,981	590	1,234	143	61	16	473	407	63	598	187		5,649	1,547	220	198				.248	.311	.623
18	Yankees	.315	2016	162	.519	84	78	5,458	680	1,378	245	20	183	647	475	42	1,188	72	22	6,045	2,212	448	21	49	19	121	.252	.405	.720
19	Yankees	.315	1914	157	.455	70	84	4,992	535	1,144	149	52	12	416	577	47	711	251	191	5,761	1,433	213	145				.229	.287	.602
20	Yankees	.316	1972	155	.510	79	76	5,168	557	1,288	202	24	103	526	491	29	689	71	42	5,793	1,847	329	74	31	47	112	.249	.357	.674
21	Yankees	.316	1991	162	.438	71	91	5,541	674	1,418	249	19	147	630	473	39	861	109	36	6,140	2,146	415	37	50	38	125	.256	.387	.704
22	Highlanders	.316	1906	155	.596	90	61	5,095	640	1,354	166	77	17	528	331	46	537	192		5,661	1,725	260	189				.266	.339	.655
23	Yankees	.317	1964	164	.611	99	63	5,705	730	1,442	208	35	162	688	520	31	976	54	18	6,358	2,206	405	68	34	64	117	.253	.387	.704
24	Yankees	.317	1915	154	.454	69	83	4,982	583	1,162	167	50	31	459	570	44	669	198	133	5,764	1,522	248	168				.233	.305	.623
25	Yankees	.318	1916	156	.519	80	74	5,198	575	1,277	194	59	35	492	516	36	632	179		5,908	1,694	288	158				.246	.326	.644