Between the 1977 and 1992 seasons, Frank Thomas had the highest on-base percentage, with an on-base percentage of .447.

Interpreted as:

highest obp with a minimum of 1.55 PA per team game by a player 1977 to 1992

	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	Frank Thomas F. Thomas	.447	378	1,323	251	426	88	7	63	255	304	8	254	7	6	1,651	717	158	0	16	19	44	.322	.542	.989	333	150.3	.437	177	147.3
2	Wade Boggs W. Boggs	.428	1,625	6,213	1,067	2,098	422	47	85	687	1,004	22	470	16	27	7,323	2,869	554	23	61	150	163	.338	.462	.890	1259	433.9	.394	142	364.7
3	Rickey Henderson R. Henderson	.404	1,859	6,879	1,472	2,000	329	54	199	725	1,286	50	925	1,042	240	8,276	3,034	582	20	41	45	109	.291	.441	.845	1336	407.7	.382	142	402.8
4	Gene Tenace G. Tenace	.404	750	1,932	284	457	90	13	80	285	509	47	460	18	20	2,511	813	183	4	19	36	30	.237	.421	.825	389	105.4	.375	139	113.3
5	Rod Carew R. Carew	.403	1,141	4,260	687	1,395	204	48	37	452	552	9	429	132	84	4,915	1,806	289	63	31	79	96	.327	.424	.827	745	193.1	.370	130	173.6
6	Mike Hargrove M. Hargrove	.396	1,239	4,089	564	1,168	196	19	58	500	740	39	378	18	31	4,953	1,576	273	34	51	48	124	.286	.385	.781	700	143.6	.357	121	119
7	Edgar Martinez E. Martinez	.393	521	1,805	295	561	122	8	45	204	235	21	233	17	12	2,084	834	175	7	16	15	50	.311	.462	.855	336	105	.383	139	92.9
8	Fred McGriff F. McGriff	.391	883	3,003	511	839	148	13	191	515	553	14	738	33	17	3,596	1,586	352	2	24	80	67	.279	.528	.919	632	231.2	.401	152	215
9	Dave Magadan D. Magadan	.391	701	2,088	275	610	110	11	21	254	347	7	248	5	3	2,483	805	142	16	25	22	39	.292	.386	.776	347	70	.354	126	74.8
10	John Kruk J. Kruk	.390	930	2,948	434	875	142	29	79	446	470	2	530	48	27	3,463	1,312	250	12	31	69	67	.297	.445	.835	528	137.8	.369	134	134.3
11	Reggie Smith R. Smith	.389	583	1,864	330	552	92	7	105	331	299	7	333	37	21	2,208	973	204	1	37	35	32	.296	.522	.911	380	130.4	.397	151	130.6
12	Randy Milligan R. Milligan	.388	554	1,755	258	450	86	9	62	236	373	12	357	16	16	2,153	740	157	0	13	9	63	.256	.422	.809	325	87.2	.370	133	80.8
13	Ken Singleton K. Singleton	.387	1,137	3,985	534	1,128	173	13	154	641	689	9	702	3	7	4,727	1,789	340	11	33	67	151	.283	.449	.836	728	196.7	.373	135	195.4
14	Keith Hernandez K. Hernandez	.387	1,881	6,774	1,047	2,017	396	51	152	1,003	997	29	925	94	60	7,877	2,971	599	8	69	123	147	.298	.439	.825	1182	289.1	.367	132	286.6
15	Tim Raines T. Raines	.386	1,704	6,465	1,138	1,923	315	96	108	656	939	30	679	730	127	7,512	2,754	519	29	49	131	93	.297	.426	.812	1100	255.3	.362	129	248.8
16	Mike Schmidt M. Schmidt	.384	1,779	6,237	1,148	1,702	304	45	417	1,222	1,133	50	1,265	100	57	7,514	3,347	766	3	91	166	130	.273	.537	.921	1306	454.9	.397	149	425.9
17	Kal Daniels K. Daniels	.382	727	2,338	391	666	125	8	104	360	365	14	493	87	26	2,739	1,119	237	4	18	28	51	.285	.479	.861	444	135.4	.381	140	128.4
18	Tony Gwynn T. Gwynn	.381	1,463	5,701	842	1,864	275	75	59	591	506	12	291	249	106	6,294	2,466	409	41	34	128	138	.327	.433	.813	910	199.5	.358	128	199.8
19	Jack Clark J. Clark	.380	1,960	6,728	1,101	1,799	326	37	338	1,168	1,253	24	1,421	70	59	8,091	3,213	701	6	80	127	174	.267	.478	.858	1285	375.7	.378	139	363.4
20	Oscar Gamble O. Gamble	.380	827	2,209	345	607	103	12	120	401	360	26	281	13	10	2,615	1,094	235	1	19	37	27	.275	.495	.875	428	133.9	.385	142	129.9
21	Barry Bonds B. Bonds	.380	1,010	3,584	672	984	220	36	176	556	611	20	590	251	72	4,255	1,804	432	3	37	113	45	.275	.503	.883	692	213.7	.383	145	213.4
22	Alvin Davis A. Davis	.380	1,206	4,240	568	1,189	220	10	160	683	685	28	558	7	16	5,010	1,909	390	2	55	88	97	.280	.450	.830	755	188.3	.366	125	149.1
23	Bret Barberie B. Barberie	.380	168	421	42	114	23	2	3	42	67	10	84	9	5	505	150	28	2	5	5	8	.271	.356	.736	64	9	.340	116	9.5
24	Toby Harrah T. Harrah	.379	1,319	4,504	731	1,195	198	29	126	581	794	55	545	156	47	5,441	1,829	353	43	45	35	95	.265	.406	.785	770	156.5	.356	120	127.7
25	Dwight Evans D. Evans	.378	2,062	7,281	1,240	2,004	390	52	334	1,158	1,202	40	1,403	60	44	8,622	3,500	776	35	64	49	187	.275	.481	.859	1390	419	.381	133	335.5