The Baltimore Orioles have the best on-base percentage by a team, with an on-base percentage of .372.

	TEAM	OBP	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	Orioles	.372	1,294	.579	730	530	45,361	8,530	13,521	1,814	865	218	6,940	4,345	992	2,952	2,993		51,317	17,719	2,897	619				.298	.391	.763
2	Reds	.371	269	.659	174	90	9,515	2,020	2,647	386	176	106	1,548	1,303	109	499	859		10,927	3,703	668					.278	.389	.761
3	Infants	.360	131	.423	55	75	4,804	849	1,370	213	94	27	701	509	49	345	180		5,362	1,852	334					.285	.386	.745
4	Giants	.352	132	.565	74	57	4,913	1,018	1,393	204	97	66	793	486	31	364	231		5,430	1,989	367					.284	.405	.757
5	Ward's Wonders	.349	133	.576	76	56	4,887	964	1,352	186	93	34	748	502	42	369	272		5,431	1,826	313					.277	.374	.723
6	Burghers	.349	128	.469	60	68	4,577	835	1,192	168	113	35	652	569	54	375	249		5,200	1,691	316					.260	.369	.718
7	Orioles	.347	276	.435	118	153	9,349	1,476	2,666	381	218	57	1,231	786	106	797	396		10,459	3,654	656	218				.285	.391	.738
8	Bisons	.347	134	.273	36	96	4,795	793	1,249	180	64	20	630	541	96	367	160		5,432	1,617	264					.260	.337	.684
9	Senators	.345	1,265	.366	454	788	43,645	6,912	11,886	1,615	787	357	5,764	4,269	575	3,492	1,975		48,963	16,146	2,759	474				.272	.370	.715
10	Athletics	.343	132	.519	68	63	4,855	941	1,350	187	113	49	761	431	51	321	203		5,337	1,910	349					.278	.393	.737
11	Yankees	.339	19,069	.570	10,813	8,168	649,918	92,672	172,541	28,653	5,497	17,329	86,110	68,624	4,930	94,907	11,656	2,802	736,357	264,175	51,479	9,595	3,290	2,838	10,688	.265	.406	.745
12	Red Sox	.337	19,359	.518	9,982	9,294	662,577	90,407	176,795	33,136	5,600	14,614	83,841	66,841	4,808	95,647	9,639	2,552	748,163	264,973	53,350	10,597	3,340	2,999	11,552	.267	.400	.737
13	Spiders	.337	1,802	.469	827	938	63,232	10,057	17,006	2,308	961	292	8,238	5,871	580	3,144	2,800		70,233	22,112	3,561	550				.269	.350	.686
14	Pirates	.335	138	.547	75	62	4,968	886	1,311	200	95	31	705	492	43	410	276		5,503	1,794	326					.264	.361	.697
15	Rockies	.335	5,076	.459	2,330	2,746	174,321	25,088	47,080	9,296	1,310	5,732	23,857	16,005	1,582	37,801	3,060	1,370	195,271	76,192	16,338	2,005	1,358	1,209	3,868	.270	.437	.772
16	Tigers	.333	19,393	.503	9,713	9,587	661,319	89,058	174,712	29,607	6,296	14,585	82,010	65,576	4,452	96,811	11,292	2,938	745,466	260,666	50,488	11,009	3,110	2,448	10,720	.264	.394	.727
17	Maumees	.333	134	.515	68	64	4,575	739	1,152	152	108	24	512	486	71		421		5,132	1,592	284					.252	.348	.681
18	Brewers	.333	36	.583	21	15	1,271	227	332	58	15	13	165	107	29	114	47		1,407	459	86					.261	.361	.694
19	Stars	.333	128	.433	55	72	4,469	698	1,158	151	59	14	487	457	35		292		4,961	1,469	224					.259	.329	.661
20	Peppers	.332	312	.551	168	137	10,273	1,347	2,757	440	170	50	1,116	908	72	1,160	457		11,678	3,687	660	425				.268	.359	.691
21	Solons	.332	418	.489	200	209	14,254	2,312	3,585	484	233	72	1,784	1,581	125	530	937		15,960	4,751	789					.252	.333	.665
22	Guardians	.331	19,367	.513	9,882	9,394	660,087	87,556	174,737	31,162	5,499	13,924	80,920	62,647	4,838	94,671	11,914	3,390	742,394	258,669	50,585	11,464	3,358	2,546	10,530	.265	.392	.723
23	Tip-Tops	.331	310	.480	147	159	10,256	1,309	2,750	430	160	78	1,134	877	92	1,223	469		11,516	3,734	668	291				.268	.364	.695
24	Cardinals	.330	20,662	.513	10,537	9,994	706,761	92,453	187,820	31,844	7,052	12,867	84,513	64,211	5,205	98,224	15,018	3,616	791,295	272,369	51,763	11,974	3,144	3,776	10,141	.266	.385	.715
25	Terriers	.329	313	.489	149	156	10,223	1,199	2,598	392	146	49	1,026	1,079	70	1,150	308		11,783	3,429	587	411				.254	.335	.665