Since 2010, the Boston Red Sox had the highest on-base percentage by a team, with an on-base percentage of .331.

	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	Red Sox	.331	2,490	.528	1,314	1,176	86,352	12,267	22,776	5,107	372	2,887	11,673	8,149	889	19,922	1,424	435	96,330	37,288	8,366	260	680	515	1,917	.264	.432	.763
2	Dodgers	.329	2,490	.590	1,470	1,020	84,267	11,766	21,433	4,325	383	3,029	11,231	8,772	980	19,871	1,372	450	95,335	35,611	7,737	626	690	599	1,737	.254	.423	.752
3	Yankees	.327	2,490	.568	1,415	1,075	84,184	12,079	21,151	3,902	307	3,468	11,551	8,971	916	20,025	1,427	424	95,085	36,071	7,677	303	711	399	1,890	.251	.428	.756
4	Cardinals	.325	2,488	.540	1,344	1,144	84,177	11,173	21,437	4,254	342	2,642	10,645	8,025	1,067	19,182	1,177	469	94,576	34,301	7,238	652	655	509	1,885	.255	.407	.733
5	Braves	.322	2,488	.537	1,336	1,152	84,517	11,210	21,346	4,238	334	2,871	10,720	8,152	838	20,375	1,252	457	94,709	34,865	7,443	632	570	554	1,798	.253	.413	.735
6	Nationals	.321	2,489	.495	1,233	1,256	84,057	10,948	21,294	4,198	381	2,658	10,417	7,794	925	19,579	1,677	538	94,112	34,228	7,237	693	643	514	1,807	.253	.407	.728
7	Rockies	.321	2,490	.435	1,083	1,407	85,112	11,457	22,164	4,402	617	2,759	10,962	7,211	712	21,014	1,313	530	94,351	36,077	7,778	698	618	476	1,820	.260	.424	.745
8	Brewers	.321	2,491	.528	1,316	1,175	83,974	11,139	20,909	4,085	397	2,903	10,615	8,183	1,012	21,001	1,898	557	94,364	34,497	7,385	626	569	462	1,826	.249	.411	.732
9	Blue Jays	.321	2,490	.508	1,266	1,224	84,617	11,565	21,345	4,411	289	3,227	11,066	8,012	830	19,217	1,224	432	94,398	36,015	7,927	329	610	294	1,938	.252	.426	.747
10	Astros	.321	2,489	.516	1,284	1,205	84,623	11,246	21,505	4,298	326	2,917	10,723	7,717	901	19,384	1,457	533	94,300	35,206	7,541	419	640	348	1,937	.254	.416	.737
11	Twins	.320	2,490	.478	1,191	1,299	84,903	11,232	21,330	4,377	398	2,794	10,700	7,976	924	20,155	1,148	433	94,748	34,885	7,569	318	627	348	1,779	.251	.411	.731
12	Diamondbacks	.320	2,490	.481	1,197	1,293	84,791	11,341	21,265	4,390	601	2,691	10,800	8,110	859	20,461	1,574	512	95,072	34,930	7,682	626	686	520	1,740	.251	.412	.732
13	Rays	.320	2,491	.539	1,342	1,149	84,138	11,003	20,787	4,192	447	2,767	10,477	8,245	1,048	21,161	1,817	652	94,390	34,174	7,406	311	648	342	1,672	.247	.406	.726
14	Cubs	.320	2,491	.504	1,254	1,236	84,142	11,037	20,797	4,171	450	2,811	10,511	8,142	1,107	21,128	1,345	518	94,531	34,301	7,432	556	584	487	1,723	.247	.408	.727
15	Guardians	.319	2,487	.530	1,318	1,169	83,997	10,958	20,975	4,346	363	2,574	10,427	8,018	920	18,797	1,738	505	94,080	33,769	7,283	439	706	435	1,763	.250	.402	.721
16	Mets	.319	2,490	.500	1,244	1,246	84,186	10,773	20,826	4,133	373	2,740	10,343	8,024	1,136	19,894	1,339	431	94,513	33,925	7,246	570	597	528	1,792	.247	.403	.722
17	Rangers	.319	2,491	.499	1,242	1,249	84,717	11,483	21,448	4,076	365	2,911	10,912	7,546	945	19,658	1,722	595	94,273	34,987	7,352	407	658	367	1,701	.253	.413	.732
18	Reds	.319	2,490	.479	1,193	1,297	84,003	10,868	20,829	4,031	392	2,785	10,368	7,925	1,086	20,674	1,641	595	94,327	33,999	7,208	708	605	465	1,717	.248	.405	.723
19	Tigers	.318	2,485	.482	1,199	1,286	84,800	10,807	21,702	4,189	532	2,524	10,356	7,334	757	20,303	1,027	416	93,857	34,527	7,245	308	658	406	1,882	.256	.407	.726
20	Phillies	.317	2,490	.508	1,265	1,225	84,659	10,920	21,132	4,118	463	2,723	10,441	7,715	908	20,166	1,522	410	94,438	34,345	7,304	586	570	533	1,696	.250	.406	.723
21	Giants	.315	2,490	.513	1,278	1,212	84,528	10,501	21,035	4,197	493	2,348	10,004	7,693	824	19,759	1,095	443	94,322	33,262	7,038	588	689	512	1,866	.249	.394	.709
22	Angels	.315	2,490	.484	1,206	1,284	84,154	10,886	20,840	3,970	364	2,855	10,380	7,537	967	19,661	1,421	533	93,683	34,103	7,189	397	628	448	1,892	.248	.405	.720
23	Athletics	.313	2,490	.488	1,216	1,274	84,104	10,807	20,408	4,215	375	2,776	10,289	8,064	893	19,964	1,340	408	93,994	33,701	7,366	303	630	284	1,841	.243	.401	.714
24	Royals	.313	2,490	.461	1,147	1,343	84,802	10,447	21,745	4,236	514	2,245	9,959	6,485	817	17,779	1,941	598	93,261	33,744	6,995	458	699	328	1,845	.256	.398	.711
25	Pirates	.312	2,489	.465	1,157	1,331	83,833	10,067	20,512	4,070	474	2,261	9,612	7,568	950	20,492	1,378	591	93,580	32,313	6,805	646	583	467	1,742	.245	.385	.698