Before 1921, Ty Cobb had the highest batting average, with an average of .370.

Interpreted as:

highest batting average with a minimum of 1.55 PA per team game by a player until 1920

	NAME	AVG	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Ty Cobb T. Cobb	.370	2,041	7,729	1,501	2,856	459	218	69	1,269	795	68	564	784		8,772	3,958	746	180	.433	.512	.945	1698	792.1	.450	175	719.4
2	Joe Jackson J. Jackson	.356	1,332	4,981	873	1,772	307	168	54	785	519	59	234	202		5,690	2,577	529	131	.423	.517	.940	1090	480.3	.443	165	429.2
3	George Sisler G. Sisler	.347	767	2,987	473	1,036	162	64	40	403	190	22	139	196		3,285	1,446	266	86	.390	.484	.874	549	214.6	.414	147	179.5
4	Ed Delahanty E. Delahanty	.346	1,837	7,511	1,600	2,597	522	186	101	1,466	741	94	366	455		8,400	3,794	809	54	.411	.505	.916	1836	616.8	.428	144	559.3
5	George Hall G. Hall	.345	121	537	104	185	22	21	5		20					557	264	48			.492		129	46.3	.390	145	38.1
6	Billy Hamilton B. Hamilton	.344	1,594	6,283	1,697	2,164	242	95	40	742	1,189	89	271	914		7,608	2,716	377	47	.455	.432	.888	1716	578.6	.433	142	505.5
7	Tristram Speaker T. Speaker	.342	1,769	6,521	1,189	2,232	445	159	53	912	842	82	303	388		7,628	3,154	657	183	.424	.484	.908	1392	590.3	.433	162	531.1
8	Dan Brouthers D. Brouthers	.342	1,673	6,711	1,523	2,296	460	205	106	994	840	105	83	256		7,676	3,484	771	20	.423	.519	.942	1874	728.6	.436	155	655.7
9	Dave Orr D. Orr	.342	791	3,289	536	1,125	198	108	37	504	98	15		66		3,411	1,650	343		.366	.502	.867	743	238.6	.397	143	226
10	Pete Browning P. Browning	.341	1,183	4,820	954	1,646	295	85	46	612	466	20	102	258		5,315	2,249	426	0	.403	.467	.869	1191	407.6	.407	147	381.3
11	Willie Keeler W. Keeler	.341	2,123	8,591	1,719	2,932	241	145	33	810	524	129	136	495		9,610	3,562	419	366	.388	.415	.802	1640	406.6	.383	124	330.8
12	Jesse Burkett J. Burkett	.338	2,067	8,426	1,720	2,850	320	182	75	952	1,029	75	561	389		9,620	3,759	577	90	.415	.446	.861	1921	592.9	.411	137	526.7
13	Nap Lajoie N. Lajoie	.338	2,480	9,589	1,504	3,243	657	163	82	1,599	516	134	347	380		10,460	4,472	902	221	.380	.466	.847	1787	600.2	.401	144	547
14	Jake Stenzel J. Stenzel	.338	768	3,031	664	1,024	190	71	32	533	300	58	110	292		3,425	1,452	293	36	.408	.479	.887	718	185.3	.415	129	170.1
15	Henry Moore H. Moore	.336	111	461	77	155	23	5	1		19					480	191	29			.414		99	28.7	.356	147	32.1
16	John McGraw J. McGraw	.334	1,100	3,924	1,024	1,309	121	70	13	462	836	134	155	436		4,940	1,609	204	46	.466	.410	.876	1083	354	.433	141	309
17	Mike Donlin M. Donlin	.333	1,049	3,854	669	1,282	176	97	51	543	312	20	311	213		4,282	1,805	324	96	.386	.468	.854	751	261.3	.404	139	203.7
18	Sam Thompson S. Thompson	.331	1,410	5,998	1,261	1,988	343	161	126	1,305	451	63	101	232		6,525	3,031	630	13	.384	.505	.890	1414	415	.410	135	375.3
19	Cap Anson C. Anson	.331	2,277	9,104	1,722	3,012	529	124	97	1,306	953	32	146	247		10,123	4,080	750	34	.396	.448	.844	2154	654.1	.397	134	525.3
20	Bill Lange B. Lange	.330	813	3,202	691	1,056	134	80	39	579	350	25	123	400		3,620	1,467	253	43	.400	.458	.858	718	157.6	.405	121	120.6
21	Eddie Collins E. Collins	.329	1,869	6,696	1,253	2,205	276	145	28	856	976	58	388	581		8,095	2,855	449	365	.419	.426	.845	1341	493.7	.409	150	454.6
22	Levi Meyerle L. Meyerle	.329	85	374	57	123	20	10	0		3					377	163	30			.436		77	20.6	.351	131	18
23	Bob Meusel B. Meusel	.328	119	460	75	151	40	7	11	83	20	2	72	4	4	494	238	58	12	.359	.517	.876	81	25.2	.403	126	16.9
24	Babe Ruth B. Ruth	.328	533	1,568	360	514	118	39	103	359	340	11	264	27		1,943	1,019	260	24	.451	.650	1.101	453	250	.505	200	231.9
25	Cal McVey C. McVey	.328	265	1,199	227	393	52	17	3		23					1,222	488	72			.407		234	60.4	.343	131	56.5