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	19,176	.570	10,872	8,216	653,521	93,216	173,428	28,805	5,507	17,515	86,637	69,038	4,959	95,884	11,751	2,828	740,439	265,792	51,827	9,601	3,320	2,869	10,758	.265	.407	.745
12	Red Sox	.337	19,463	.518	10,044	9,336	666,123	90,918	177,700	33,354	5,616	14,729	84,326	67,162	4,856	96,544	9,724	2,577	752,116	266,473	53,699	10,605	3,370	3,011	11,624	.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	.334	5,182	.456	2,364	2,818	177,878	25,508	47,957	9,465	1,332	5,846	24,263	16,245	1,613	38,783	3,120	1,396	199,137	77,624	16,643	2,019	1,382	1,209	3,949	.270	.436	.770
16	Tigers	.333	19,498	.503	9,763	9,642	664,850	89,528	175,573	29,761	6,324	14,718	82,459	65,897	4,491	97,755	11,333	2,949	749,392	262,136	50,803	11,010	3,144	2,455	10,776	.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	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
23	Guardians	.331	19,474	.513	9,940	9,443	663,602	87,976	175,517	31,326	5,512	14,035	81,330	62,968	4,877	95,572	12,004	3,410	746,317	259,972	50,873	11,484	3,386	2,569	10,578	.264	.392	.723
24	Cardinals	.330	20,768	.513	10,583	10,054	710,288	92,873	188,651	32,002	7,057	12,963	84,911	64,506	5,267	99,109	15,072	3,632	795,221	273,656	52,022	11,993	3,167	3,784	10,213	.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