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	19,078	.570	10,817	8,173	650,219	92,716	172,619	28,663	5,497	17,346	86,153	68,661	4,935	94,985	11,665	2,805	736,701	264,314	51,506	9,595	3,291	2,840	10,696	.265	.406	.745
12	Red Sox	.337	19,368	.518	9,987	9,298	662,898	90,462	176,883	33,157	5,601	14,626	83,896	66,875	4,814	95,742	9,642	2,553	748,527	265,120	53,384	10,597	3,343	3,000	11,559	.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	5,085	.459	2,333	2,752	174,621	25,115	47,148	9,315	1,314	5,741	23,884	16,020	1,586	37,876	3,063	1,372	195,592	76,314	16,370	2,005	1,360	1,209	3,875	.270	.437	.772
16	Tigers	.333	19,403	.503	9,719	9,591	661,662	89,095	174,795	29,620	6,299	14,596	82,046	65,604	4,453	96,896	11,296	2,939	745,838	260,801	50,515	11,009	3,110	2,449	10,725	.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	19,376	.513	9,886	9,399	660,382	87,583	174,807	31,172	5,500	13,933	80,945	62,677	4,841	94,751	11,925	3,391	742,725	258,778	50,605	11,465	3,360	2,549	10,537	.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	20,671	.513	10,541	9,999	707,059	92,485	187,889	31,857	7,052	12,873	84,544	64,238	5,210	98,294	15,020	3,618	791,630	272,469	51,782	11,976	3,147	3,777	10,146	.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