The Chicago White Sox have the best on-base percentage by a team, with an on-base percentage of .327.

	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	White Sox	.350	1901	137	.610	83	53	4,725	819	1,303	173	89	32	656	475	62	336	280		5,397	1,750	294	135				.276	.370	.720
2	White Sox	.332	1902	138	.552	74	60	4,654	675	1,248	170	50	14	537	411	36	379	265		5,255	1,560	234	154				.268	.335	.667
3	White Sox	.301	1903	138	.438	60	77	4,670	516	1,152	176	49	14	436	325	38	538	180		5,175	1,468	239	142				.247	.314	.615
4	White Sox	.300	1904	156	.578	89	65	5,027	600	1,217	193	68	14	519	373	41	586	216		5,638	1,588	275	197				.242	.316	.616
5	White Sox	.305	1905	158	.605	92	60	5,114	614	1,213	200	55	11	487	439	58	613	194		5,852	1,556	266	241				.237	.304	.609
6	White Sox	.301	1906	154	.616	93	58	4,925	567	1,133	152	52	7	444	453	50	492	216		5,654	1,410	211	226				.230	.286	.588
7	White Sox	.302	1907	157	.576	87	64	5,070	584	1,205	149	33	5	474	421	48	525	175		5,720	1,435	187	181				.238	.283	.585
8	White Sox	.298	1908	156	.579	88	64	5,027	535	1,127	145	41	3	430	463	62	577	209		5,788	1,363	189	236				.224	.271	.569
9	White Sox	.291	1909	159	.513	78	74	5,018	494	1,109	145	56	4	393	441	57	596	211		5,759	1,378	205	243				.221	.275	.566
10	White Sox	.275	1910	156	.444	68	85	5,024	456	1,058	115	58	7	351	403	44	648	183		5,660	1,310	180	189				.211	.261	.536
11	White Sox	.325	1911	154	.510	77	74	5,210	717	1,401	179	92	20	593	385	48	598	201		5,851	1,824	291	208				.269	.350	.675
12	White Sox	.317	1912	158	.506	78	76	5,182	641	1,321	174	80	17	537	423	51	647	213	193	5,876	1,706	271	220				.255	.329	.647
13	White Sox	.299	1913	153	.513	78	74	4,822	486	1,139	157	66	24	410	398	36	550	156		5,449	1,500	247	193				.236	.311	.610
14	White Sox	.302	1914	157	.455	70	84	5,040	487	1,205	161	71	19	390	408	46	609	167	152	5,700	1,565	251	206				.239	.311	.612
15	White Sox	.345	1915	155	.604	93	61	4,914	717	1,269	163	102	25	598	583	71	575	233	183	5,838	1,711	290	270				.258	.348	.694
16	White Sox	.319	1916	155	.578	89	65	5,081	601	1,277	194	100	17	484	447	60	591	197		5,809	1,722	311	221				.251	.339	.658
17	White Sox	.329	1917	156	.649	100	54	5,057	656	1,281	152	81	18	535	522	47	479	219		5,861	1,649	251	235				.253	.326	.655
18	White Sox	.322	1918	124	.460	57	67	4,132	457	1,057	136	55	8	375	375	27	358	119		4,695	1,327	199	161				.256	.321	.643
19	White Sox	.351	1919	140	.629	88	52	4,675	668	1,343	218	70	25	571	427	34	358	150		5,360	1,776	313	224				.287	.380	.731
20	White Sox	.357	1920	154	.623	96	58	5,330	794	1,574	263	98	37	694	474	38	350	109	94	6,030	2,144	398	188				.295	.402	.759
21	White Sox	.344	1921	154	.403	62	92	5,319	677	1,509	242	82	35	609	446	43	480	94	93	5,991	2,020	359	183				.284	.380	.724
22	White Sox	.343	1922	155	.500	77	77	5,267	691	1,464	245	63	45	635	482	43	461	109	84	6,024	1,970	353	232				.278	.374	.717
23	White Sox	.350	1923	156	.448	69	85	5,225	690	1,459	255	57	42	604	531	40	454	191	117	6,044	1,954	354	248				.279	.374	.724
24	White Sox	.366	1924	154	.431	66	87	5,240	794	1,512	255	59	41	710	608	35	417	137	89	6,116	2,008	355	233				.289	.383	.750
25	White Sox	.369	1925	154	.513	79	75	5,225	811	1,482	299	59	38	738	663	48	405	131	87	6,167	2,013	396	231				.284	.385	.755
	Total	.327		19,389	.499	9,619	9,667	656,469	84,184	170,407	28,263	5,556	12,310	77,384	62,207	5,253	92,373	13,642	3,491	739,533	246,712	46,129	12,374	3,230	2,464	10,539	.260	.376	.703