Between the 1990 and 2008 seasons, Barry Bonds had the highest on-base percentage, with an on-base percentage of .467.

Interpreted as:

MLB highest obp with a minimum of 1.55 PA per team game by a player from 1990 to 2008

	NAME	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	Barry Bonds B. Bonds	.467	2,420	7,765	1,863	2,403	477	54	678	1,773	2,274	98	1,174	397	103	10,218	5,022	1,209	1	80	647	145	.309	.647	1.114	2330	1,081.5	.456	184	1,080.6
2	Todd Helton T. Helton	.428	1,661	5,962	1,143	1,957	471	31	310	1,116	1,041	49	810	36	26	7,116	3,420	812	3	61	170	145	.328	.574	1.002	1433	548.2	.422	140	370.7
3	Albert Pujols A. Pujols	.425	1,239	4,578	947	1,531	342	13	319	977	696	60	506	45	26	5,382	2,856	674	1	47	154	157	.334	.624	1.049	1143	483.2	.435	168	468.8
4	Edgar Martinez E. Martinez	.421	1,963	6,967	1,193	2,181	500	13	307	1,231	1,260	85	1,164	47	29	8,392	3,628	820	7	73	112	187	.313	.521	.941	1574	547.5	.408	149	525.7
5	Frank Thomas F. Thomas	.419	2,322	8,199	1,494	2,468	495	12	521	1,704	1,667	87	1,397	32	23	10,074	4,550	1,028	0	121	168	226	.301	.555	.974	1954	721.1	.416	154	692
6	Lance Berkman L. Berkman	.413	1,371	4,802	896	1,449	328	24	288	961	883	60	953	72	36	5,792	2,689	640	1	46	116	99	.302	.560	.973	1109	394.9	.411	148	355.6
7	Manny Ramirez M. Ramirez	.411	2,103	7,610	1,444	2,392	507	18	527	1,725	1,212	96	1,667	37	31	9,006	4,516	1,052	2	86	191	230	.314	.593	1.004	1803	682.2	.421	154	621.8
8	Mark McGwire M. McGwire	.409	1,407	4,537	899	1,199	184	1	466	1,093	1,083	62	1,236	10	5	5,739	2,783	651	2	55	133	103	.264	.613	1.022	1171	474.2	.428	163	465.7
9	Jason Giambi J. Giambi	.408	1,850	6,332	1,116	1,812	362	9	396	1,279	1,205	157	1,308	18	11	7,776	3,380	767	2	80	87	139	.286	.534	.942	1443	474.4	.404	146	457.2
10	Jeff Bagwell J. Bagwell	.408	2,150	7,797	1,517	2,314	488	32	449	1,529	1,401	128	1,558	202	78	9,431	4,213	969	3	102	155	221	.297	.540	.948	1755	596.6	.405	149	588.3
11	Chipper Jones C. Jones	.408	2,023	7,337	1,378	2,277	449	35	408	1,374	1,242	16	1,142	138	43	8,677	4,020	892	3	79	137	204	.310	.548	.955	1628	545.8	.406	146	516.7
12	Jim Thome J. Thome	.406	2,160	7,344	1,431	2,048	397	24	541	1,488	1,550	66	2,190	19	20	9,029	4,116	962	1	68	159	137	.279	.560	.966	1714	592	.409	146	534.7
13	Bobby Abreu B. Abreu	.405	1,799	6,490	1,174	1,946	454	53	241	1,084	1,160	29	1,405	318	103	7,750	3,229	748	6	65	97	119	.300	.498	.902	1345	383.5	.389	135	348.8
14	Brian Giles B. Giles	.404	1,786	6,302	1,103	1,854	401	54	285	1,055	1,157	50	804	108	45	7,582	3,218	740	4	69	112	154	.294	.511	.915	1334	391.9	.392	139	380.8
15	Rickey Henderson R. Henderson	.403	1,609	5,437	1,124	1,452	249	19	159	554	1,194	65	958	535	134	6,742	2,216	427	12	34	30	88	.267	.408	.810	1039	217.3	.370	128	223.5
16	John Kruk J. Kruk	.402	708	2,437	370	746	139	23	59	375	407	2	429	30	14	2,877	1,108	221	2	29	54	58	.306	.455	.856	460	127.7	.379	136	120
17	Larry Walker L. Walker	.401	1,968	6,860	1,351	2,152	471	62	383	1,307	908	137	1,218	229	75	7,974	3,896	916	4	65	117	153	.314	.568	.969	1529	560.6	.413	141	410.3
18	Lenny Dykstra L. Dykstra	.400	644	2,521	476	751	157	23	47	232	422	20	261	152	36	2,982	1,095	227	3	16	43	20	.298	.434	.835	465	114.4	.373	130	105
19	Joe Mauer J. Mauer	.399	561	2,059	325	653	128	14	44	301	292	7	233	30	6	2,388	941	186	3	27	51	66	.317	.457	.856	373	81.1	.370	126	79.4
20	Gary Sheffield G. Sheffield	.398	2,357	8,501	1,546	2,505	435	25	490	1,589	1,401	129	1,085	238	96	10,141	4,460	950	5	105	127	216	.295	.525	.923	1813	572.2	.397	144	568
21	John Olerud J. Olerud	.398	2,228	7,584	1,137	2,236	500	13	255	1,230	1,275	88	1,015	11	14	9,055	3,527	768	12	96	157	232	.295	.465	.863	1465	356.1	.377	130	342.6
22	Nick Johnson N. Johnson	.396	637	2,082	338	560	141	3	81	317	388	56	439	25	19	2,542	950	225	8	8	38	57	.269	.456	.853	405	94.4	.372	127	89
23	Tony Phillips T. Phillips	.392	1,326	5,029	946	1,374	253	25	127	560	977	31	1,009	121	72	6,103	2,058	405	26	40	39	82	.273	.409	.801	906	172.2	.363	119	143.1
24	Dave Magadan D. Magadan	.392	1,248	3,261	406	934	168	9	34	392	584	9	447	10	10	3,917	1,222	211	21	42	34	81	.286	.375	.767	539	69.8	.350	115	71.7
25	J.D. Drew	.392	1,209	3,995	768	1,134	213	41	192	637	687	46	865	82	29	4,782	2,005	446	18	36	40	64	.284	.502	.894	813	218.1	.385	132	198.9