Ted Williams played the most seasons with an on-base percentage of .420 or above, with 18 seasons.

Interpreted as:

most seasons by a player with.420+ 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	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
2	Babe Ruth B. Ruth	15	.486	2,116	7,290	2,001	2,553	446	116	663	2,024	1,894	39	1,112	115		9,314	5,220	1,225	91				.350	.716	1.202	2499	1,353.3	.525	203	1,291.2
3	Ty Cobb T. Cobb	15	.454	2,009	7,545	1,589	2,904	488	222	89	1,325	893	69	443	718		8,699	4,103	799	192				.385	.544	.998	1828	871.4	.468	179	793
4	Barry Bonds B. Bonds	14	.481	2,000	6,339	1,565	1,993	396	44	581	1,450	1,992	88	950	287	75	8,477	4,220	1,021	1	57	595	123	.314	.666	1.146	2007	962.5	.465	190	961.8
5	Lou Gehrig L. Gehrig	14	.456	1,873	6,960	1,698	2,418	479	147	444	1,812	1,350	38	665	90		8,441	4,523	1,070	93				.347	.650	1.106	2049	986.3	.487	180	935.4
6	Stan Musial S. Musial	13	.435	1,814	6,948	1,342	2,423	520	133	309	1,250	1,050	28	386	55	24	8,064	4,136	962	19	19	45	151	.349	.595	1.030	1710	796.4	.461	173	718
7	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
8	Eddie Collins E. Collins	12	.450	1,512	5,308	1,105	1,860	272	94	31	758	911	49	231	408		6,544	2,413	397	276				.350	.455	.905	1224	462.2	.431	153	421.8
9	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
10	Tristram Speaker T. Speaker	11	.455	1,560	5,713	1,158	2,109	497	129	81	925	850	51	193	243		6,774	3,107	707	160				.369	.544	.999	1429	652.2	.464	171	588.8
11	Billy Hamilton B. Hamilton	11	.466	1,320	5,272	1,461	1,869	210	77	34	616	1,034	67	240	764		6,411	2,335	321	38				.355	.443	.909	1495	528.3	.443	146	469
12	Frank Thomas F. Thomas	10	.449	1,309	4,643	953	1,517	306	8	318	1,046	1,055	37	733	19	20	5,807	2,793	632	0	72	139	138	.327	.602	1.051	1261	556.4	.446	174	542
13	Jimmie Foxx J. Foxx	10	.454	1,340	4,937	1,165	1,722	284	80	382	1,274	946	7	767	60		5,933	3,312	746	43			17	.349	.671	1.125	1474	718.2	.492	175	624.2
14	Ed Delahanty E. Delahanty	9	.453	1,168	4,743	1,141	1,802	379	127	83	1,037	574	58	232	300		5,414	2,684	589	39				.380	.566	1.019	1361	561.8	.471	163	529.7
15	Wade Boggs W. Boggs	8	.447	1,162	4,483	817	1,582	330	34	72	530	780	18	335	13	23	5,339	2,196	436	13	45	105	127	.353	.490	.937	1003	391.6	.413	154	344.3
16	Mickey Mantle M. Mantle	8	.457	1,075	3,571	860	1,156	160	32	299	783	887	8	715	81	13	4,495	2,277	491	6	23	88	44	.324	.638	1.095	1031	521	.468	193	508.6
17	Max Bishop M. Bishop	8	.434	944	3,194	704	899	177	24	30	271	836	22	321	33		4,121	1,214	231	69				.281	.380	.814	678	161.7	.393	120	109
18	Jesse Burkett J. Burkett	8	.456	1,066	4,410	1,071	1,678	181	103	51	605	569	45	254	254		5,086	2,218	335	62				.380	.503	.959	1213	440.6	.453	150	393.8
19	Dan Brouthers D. Brouthers	8	.448	911	3,544	849	1,221	227	114	42	777	570	93	80	200		4,226	1,802	383	19				.345	.508	.956	1044	387.6	.450	151	346.2
20	Todd Helton T. Helton	7	.447	1,087	3,916	805	1,335	337	19	223	785	760	30	554	23	14	4,754	2,379	579	2	46	136	96	.341	.608	1.055	1032	443.4	.440	153	326.8
21	Larry Walker L. Walker	7	.440	913	3,146	703	1,080	234	29	206	665	493	70	523	91	30	3,735	1,990	469	0	26	53	72	.343	.633	1.072	841	377.8	.451	156	271.7
22	Edgar Martinez E. Martinez	7	.446	1,020	3,636	698	1,196	291	6	196	773	750	50	637	24	14	4,477	2,087	493	0	41	69	96	.329	.574	1.020	951	384	.436	163	370.2
23	Mickey Cochrane M. Cochrane	7	.439	697	2,447	519	807	186	20	53	384	462	16	121	29		2,974	1,192	259	49				.330	.487	.926	580	203.3	.427	140	163.7
24	Mel Ott M. Ott	7	.442	997	3,488	791	1,117	191	33	227	806	735	26	297	33		4,307	2,055	451	58			8	.320	.589	1.031	956	407	.460	169	390.6
25	Paul Waner P. Waner	7	.435	898	3,594	733	1,312	252	95	57	578	426	20	125	59		4,118	1,925	404	78			0	.365	.536	.971	842	311.1	.440	150	272.6