Ty Cobb played the most seasons with an on-base percentage of .400 or above, with 19 seasons.

Interpreted as:

most seasons by a player with a 400 or higher obp

	NAME	SEAS	OBP	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	SLG	OPS	wRC	WRAA	wOBA	wRC+	BRAA
1	Ty Cobb T. Cobb	19	.447	2,500	9,387	1,941	3,526	612	252	105	1,617	1,128	76	505	774		10,840	4,957	969	249				.376	.528	.975	2197	982.3	.457	170	879
2	Ted Williams T. Williams	18	.486	2,189	7,434	1,766	2,585	510	71	511	1,796	1,969	37	682	24	4	9,460	4,770	1,092	5	15	80	190	.348	.642	1.127	2303	1,211.5	.498	191	1,062.4
3	Barry Bonds B. Bonds	17	.471	2,318	7,410	1,772	2,310	457	52	644	1,690	2,201	95	1,112	382	101	9,784	4,803	1,153	1	77	638	139	.312	.648	1.119	2245	1,053.4	.457	186	1,052.6
4	Eddie Collins E. Collins	17	.437	2,210	7,878	1,518	2,688	364	145	39	1,023	1,271	63	343	565		9,610	3,459	548	398				.341	.439	.876	1695	599.9	.419	147	538.7
5	Babe Ruth B. Ruth	16	.483	2,211	7,607	2,051	2,648	472	127	674	2,085	1,952	41	1,170	121		9,694	5,396	1,273	94				.348	.709	1.193	2572	1,389.3	.523	203	1,326.3
6	Tristram Speaker T. Speaker	16	.441	2,269	8,308	1,615	2,949	661	187	103	1,278	1,200	80	304	365		9,833	4,293	951	245				.355	.517	.958	1950	840.3	.448	164	753.8
7	Stan Musial S. Musial	15	.432	2,103	7,943	1,496	2,745	568	139	361	1,440	1,194	39	471	63	28	9,225	4,674	1,068	21	28	68	176	.346	.588	1.021	1928	879.5	.456	170	785.8
8	Lou Gehrig L. Gehrig	15	.452	2,030	7,536	1,813	2,588	511	153	473	1,926	1,457	43	740	96		9,130	4,824	1,137	94				.343	.640	1.093	2180	1,031	.482	176	968.4
9	Mel Ott M. Ott	14	.425	2,039	7,269	1,491	2,264	381	54	421	1,491	1,384	55	687	65		8,792	4,016	856	84			33	.311	.552	.978	1799	718	.442	162	691.4
10	Rickey Henderson R. Henderson	13	.419	1,654	5,945	1,284	1,747	300	40	177	613	1,252	54	851	756	174	7,300	2,658	517	13	36	46	94	.294	.447	.866	1240	387.3	.391	145	393.4
11	Jimmie Foxx J. Foxx	13	.445	1,737	6,339	1,443	2,152	370	102	450	1,577	1,200	8	1,000	69		7,606	4,076	922	59			56	.339	.643	1.088	1800	844.6	.479	168	722.3
12	Rogers Hornsby R. Hornsby	13	.463	1,479	5,401	1,177	2,075	417	111	259	1,186	770	27	426	73		6,348	3,491	787	150				.384	.646	1.110	1551	763	.495	190	738.5
13	Billy Hamilton B. Hamilton	13	.458	1,559	6,154	1,676	2,130	238	91	40	731	1,185	85	271	895		7,471	2,670	369	47				.346	.434	.892	1696	576.4	.435	143	505.3
14	Edgar Martinez E. Martinez	12	.432	1,560	5,576	1,016	1,797	425	12	267	1,060	1,049	76	939	39	23	6,767	3,047	704	3	63	95	153	.322	.546	.978	1347	515.8	.422	157	498.6
15	Elmer Valo E. Valo	12	.419	1,115	3,375	562	1,015	166	50	41	410	667	27	167	86	20	4,126	1,404	257	50	7	3	68	.301	.416	.835	662	184.2	.394	128	142
16	Paul Waner P. Waner	12	.426	1,520	5,676	1,062	2,001	372	137	74	844	692	29	216	81		6,512	2,869	583	115			12	.353	.505	.931	1246	428	.426	145	379.6
17	John McGraw J. McGraw	12	.477	980	3,521	966	1,201	105	63	12	422	791	124	117	416		4,482	1,468	180	46				.341	.417	.894	1011	344.2	.442	145	303.9
18	Manny Ramirez M. Ramirez	11	.427	1,445	5,158	982	1,668	337	13	350	1,146	891	77	1,169	18	19	6,174	3,081	700	2	46	161	140	.323	.597	1.024	1278	514	.430	161	480.4
19	Chipper Jones C. Jones	11	.423	1,432	5,146	1,008	1,660	334	23	304	971	922	12	771	94	33	6,136	2,952	661	1	55	120	147	.323	.574	.996	1226	462.7	.421	155	438.3
20	Frank Thomas F. Thomas	11	.446	1,444	5,129	1,027	1,665	342	8	333	1,123	1,142	46	799	22	23	6,397	3,022	683	0	80	152	153	.325	.589	1.035	1360	579	.440	169	562.5
21	Wade Boggs W. Boggs	11	.438	1,550	5,906	1,053	2,052	397	43	88	692	978	18	450	18	26	6,987	2,799	528	25	60	120	162	.347	.474	.912	1261	458.2	.403	147	398.2
22	Jim Thome J. Thome	10	.426	1,388	4,591	945	1,344	249	17	369	990	1,051	45	1,399	9	10	5,729	2,734	635	0	42	100	79	.293	.596	1.021	1189	476.1	.430	160	441.2
23	Hank Greenberg H. Greenberg	10	.421	1,134	4,220	897	1,348	317	63	275	1,062	726	15	678	47		4,993	2,616	655	32			49	.319	.620	1.041	1094	484.4	.461	157	390.4
24	Mickey Cochrane M. Cochrane	10	.429	1,097	3,911	830	1,275	278	38	95	671	681	24	158	45		4,712	1,914	411	96				.326	.489	.918	897	299.3	.421	137	241
25	Charlie Gehringer C. Gehringer	10	.426	1,325	5,162	1,139	1,740	368	76	134	926	766	32	171	112		6,038	2,662	578	78			16	.337	.516	.942	1181	407.7	.427	136	307.6