highest mlb on base percentage before 1920

Before 1920, John McGraw had the best on-base percentage, with an on-base percentage of .466.

Interpreted as:

highest MLB on base percentage with a minimum of 1.55 PA per team game by a player before 1920

	NAME	OBP	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	PA	TB	XBH	SH	AVG	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	John McGraw J. McGraw	.466	1,100	3,924	1,024	1,309	121	70	13	462	836	134	155	436	4,940	1,609	204	46	.334	.410	.876	1083	354	.433	141	309
2	Billy Hamilton B. Hamilton	.455	1,594	6,283	1,697	2,164	242	95	40	742	1,189	89	271	914	7,608	2,716	377	47	.344	.432	.888	1716	578.6	.433	142	505.5
3	Bill Joyce B. Joyce	.435	906	3,310	822	971	153	106	70	609	721	108	303	266	4,163	1,546	329	24	.293	.467	.902	933	302.4	.430	139	267.6
4	Ty Cobb T. Cobb	.434	1,929	7,301	1,414	2,713	431	210	67	1,206	737	66	536	769	8,277	3,765	708	173	.372	.516	.950	1615	764.9	.452	178	699.9
5	Dan Brouthers D. Brouthers	.423	1,673	6,711	1,523	2,296	460	205	106	994	840	105	83	256	7,676	3,484	771	20	.342	.519	.942	1874	728.6	.436	155	655.7
6	Joe Jackson J. Jackson	.420	1,186	4,411	768	1,554	265	148	42	664	463	52	220	193	5,041	2,241	455	115	.352	.508	.928	948	412.8	.439	165	372.6
7	Tristram Speaker T. Speaker	.418	1,619	5,969	1,052	2,018	395	148	45	805	745	77	290	378	6,954	2,844	588	163	.338	.476	.895	1240	515.4	.428	161	469.1
8	Eddie Collins E. Collins	.417	1,716	6,094	1,136	1,981	238	132	25	780	907	56	369	561	7,389	2,558	395	332	.325	.420	.837	1208	440.6	.406	151	413.4
9	Cupid Childs C. Childs	.416	1,457	5,622	1,214	1,721	205	101	20	743	991	63	228	269	6,766	2,188	326	90	.306	.389	.805	1303	293.6	.396	123	243.3
10	Jesse Burkett J. Burkett	.415	2,067	8,426	1,720	2,850	320	182	75	952	1,029	75	561	389	9,620	3,759	577	90	.338	.446	.861	1921	592.9	.411	137	526.7
11	Roy Thomas R. Thomas	.413	1,470	5,296	1,011	1,537	100	53	7	299	1,042	71	521	244	6,575	1,764	160	166	.290	.333	.747	1020	272.1	.375	128	230.5
12	Rasty Wright R. Wright	.413	101	393	89	111	11	6	0	29	81	6	4	33	480	134	17		.282	.341	.753	92	18.7	.384	131	22.6
13	Ed Delahanty E. Delahanty	.411	1,837	7,511	1,600	2,597	522	186	101	1,466	741	94	366	455	8,400	3,794	809	54	.346	.505	.916	1836	616.8	.428	144	559.3
14	Jake Stenzel J. Stenzel	.408	768	3,031	664	1,024	190	71	32	533	300	58	110	292	3,425	1,452	293	36	.338	.479	.887	718	185.3	.415	129	170.1
15	Denny Lyons D. Lyons	.407	1,123	4,300	933	1,334	244	69	62	756	623	78	174	224	5,029	1,902	375	24	.310	.442	.850	1062	293.8	.406	133	266.2
16	Pete Browning P. Browning	.403	1,183	4,820	954	1,646	295	85	46	612	466	20	102	258	5,315	2,249	426	0	.341	.467	.869	1191	407.6	.407	147	381.3
17	Joe Kelley J. Kelley	.402	1,853	7,006	1,421	2,220	358	194	65	1,194	911	82	430	443	8,139	3,161	617	140	.317	.451	.853	1573	465	.405	130	377.1
18	Bill Lange B. Lange	.400	813	3,202	691	1,056	134	80	39	579	350	25	123	400	3,620	1,467	253	43	.330	.458	.858	718	157.6	.405	121	120.6
19	Elmer Smith E. Smith	.398	1,237	4,693	913	1,456	197	136	37	665	639	42	202	233	5,422	2,036	370	48	.310	.434	.831	1049	233.7	.396	124	208.1
20	Judge McCredie J. McCredie	.397	56	213	40	69	5	0	0	20	24	2	13	10	242	74	5	3	.324	.347	.745	37	8.1	.363	115	4.8
21	Roger Connor R. Connor	.397	1,998	7,797	1,620	2,467	441	233	138	1,071	1,002	39	151	244	8,847	3,788	812	9	.316	.486	.883	1952	630.3	.409	142	569.9
22	Cap Anson C. Anson	.396	2,277	9,104	1,722	3,012	529	124	97	1,306	953	32	146	247	10,123	4,080	750	34	.331	.448	.844	2154	654.1	.397	134	525.3
23	Frank Chance F. Chance	.394	1,288	4,299	798	1,274	200	79	20	596	556	137	320	403	5,103	1,692	299	111	.296	.394	.788	804	249.6	.385	137	215.4
24	Tip O'Neill T. O'Neill	.392	1,052	4,248	879	1,385	222	92	52	698	420	31	58	161	4,712	1,947	366		.326	.458	.851	1011	319.3	.400	134	253.6
25	Mike Tiernan M. Tiernan	.392	1,478	5,915	1,316	1,838	257	162	106	853	748	41	218	428	6,732	2,737	525	28	.311	.463	.855	1365	343.1	.402	131	326.1