Hank Aaron smashed the most home runs by a player in his first 20 seasons, with 713 homers.

Interpreted as:

most hr by a player in first 20 seasons

	NAME	HR	G	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Hank Aaron H. Aaron	713	2,964	11,288	2,060	3,509	584	96	2,133	1,258	31	1,265	239	71	12,707	6,424	1,393	19	111	283	299	.311	.378	.569	.947	2304	920.5	.409	157	848.3
2	Barry Bonds B. Bonds	708	2,730	9,140	2,078	2,742	564	77	1,853	2,311	93	1,434	506	141	11,636	5,584	1,349	4	88	607	143	.300	.442	.611	1.053	2471	1,071.9	.436	174	1,076.8
3	Babe Ruth B. Ruth	686	2,350	7,962	2,083	2,755	489	132	2,118	1,938	41	1,243	122		10,054	5,566	1,307	113				.346	.476	.699	1.175	2614	1,394.7	.517	200	1,329.5
4	Albert Pujols A. Pujols	662	2,862	10,839	1,843	3,236	669	16	2,100	1,331	108	1,304	114	41	12,394	5,923	1,347	1	115	312	399	.299	.377	.546	.924	2141	668.4	.387	142	656.7
5	Alex Rodriguez A. Rodriguez	654	2,568	9,818	1,919	2,939	519	30	1,969	1,240	169	2,075	322	76	11,344	5,480	1,203	16	101	92	240	.299	.384	.558	.942	2068	678.5	.400	143	621.4
6	Willie Mays W. Mays	646	2,838	10,428	2,003	3,178	502	139	1,856	1,377	42	1,431	333	98	11,945	5,896	1,287	8	90	186	235	.305	.385	.565	.951	2198	883.8	.412	156	795.3
7	Ken Griffey Jr. K. Griffey Jr.	611	2,521	9,316	1,612	2,680	503	38	1,772	1,240	80	1,682	184	69	10,742	5,092	1,152	8	98	244	190	.288	.373	.547	.919	1836	532	.389	134	464
8	Sammy Sosa S. Sosa	609	2,354	8,813	1,475	2,408	379	45	1,667	929	59	2,306	234	107	9,896	4,704	1,033	17	78	154	202	.273	.344	.534	.878	1559	345.1	.370	124	307.3
9	Jim Thome J. Thome	589	2,392	7,982	1,534	2,216	428	26	1,624	1,679	68	2,395	19	20	9,803	4,463	1,043	1	73	166	153	.278	.404	.559	.963	1852	638.1	.408	146	575.9
10	Mark McGwire M. McGwire	583	1,874	6,187	1,167	1,626	252	6	1,414	1,317	75	1,596	12	8	7,660	3,639	841	3	78	150	147	.263	.394	.588	.982	1480	564.9	.415	157	558.2
11	Frank Robinson F. Robinson	583	2,772	9,939	1,824	2,928	528	72	1,802	1,409	198	1,520	204	77	11,664	5,349	1,183	17	101	218	267	.295	.389	.538	.928	2074	806.6	.404	153	716.5
12	Rafael Palmeiro R. Palmeiro	569	2,831	10,472	1,663	3,020	585	38	1,835	1,353	87	1,348	97	40	12,046	5,388	1,192	15	119	172	232	.288	.371	.515	.885	1975	522.8	.380	130	453.5
13	Manny Ramirez M. Ramirez	555	2,302	8,244	1,544	2,574	547	20	1,831	1,329	109	1,813	38	33	9,774	4,826	1,122	2	90	216	243	.312	.411	.585	.996	1931	719.5	.418	153	658.7
14	Mike Schmidt M. Schmidt	548	2,404	8,352	1,506	2,234	408	59	1,595	1,507	79	1,883	174	92	10,062	4,404	1,015	16	108	201	156	.267	.380	.527	.908	1717	591	.395	147	539.8
15	Reggie Jackson R. Jackson	548	2,705	9,528	1,509	2,510	449	48	1,659	1,342	92	2,500	226	114	11,042	4,699	1,045	13	67	164	180	.263	.358	.493	.851	1709	508.6	.377	140	502.7
16	Harmon Killebrew H. Killebrew	546	2,207	7,502	1,230	1,950	270	24	1,486	1,460	47	1,568	18	16	9,080	3,906	840	0	71	150	226	.260	.381	.521	.901	1552	572.5	.395	147	484.7
17	David Ortiz D. Ortiz	541	2,408	8,640	1,419	2,472	632	19	1,768	1,319	38	1,750	17	9	10,091	4,765	1,192	2	92	209	236	.286	.380	.552	.931	1760	559.9	.392	140	484.1
18	Mickey Mantle M. Mantle	536	2,401	8,102	1,676	2,415	344	72	1,509	1,733	13	1,710	153	38	9,909	4,511	952	14	47	126	113	.298	.421	.557	.977	1941	840	.428	170	821.8
19	Jimmie Foxx J. Foxx	534	2,317	8,134	1,751	2,646	458	125	1,922	1,452	13	1,311	87		9,670	4,956	1,117	71			69	.325	.428	.609	1.038	2135	934.1	.460	158	780.8
20	Frank Thomas F. Thomas	521	2,322	8,199	1,494	2,468	495	12	1,704	1,667	87	1,397	32	23	10,074	4,550	1,028	0	121	168	226	.301	.419	.555	.974	1954	721.1	.416	154	692
21	Ted Williams T. Williams	521	2,292	7,706	1,798	2,654	525	71	1,839	2,021	39	709	24	4	9,791	4,884	1,117	5	20	86	197	.344	.482	.634	1.116	2349	1,219.7	.493	188	1,067
22	Ernie Banks E. Banks	512	2,528	9,421	1,305	2,583	407	90	1,636	763	70	1,236	50	53	10,395	4,706	1,009	45	96	198	229	.274	.330	.500	.830	1496	354.6	.359	118	228.9
23	Eddie Mathews E. Mathews	512	2,391	8,537	1,509	2,315	354	72	1,453	1,444	26	1,487	68	39	10,101	4,349	938	36	58	107	123	.271	.376	.509	.885	1685	557.5	.389	143	531.2
24	Mel Ott M. Ott	510	2,695	9,384	1,857	2,871	487	72	1,856	1,700	64	881	89		11,255	5,032	1,069	107			37	.306	.416	.536	.952	2205	836.8	.432	157	805.3
25	Miguel Cabrera M. Cabrera	507	2,699	10,022	1,530	3,088	607	17	1,847	1,227	72	2,031	40	21	11,426	5,250	1,131	5	100	238	353	.308	.384	.524	.908	1942	591.2	.384	140	552.6