Alex Rodriguez has launched the most career home runs by a player younger than 35, with 599 homers.

Interpreted as:

MLB most home runs before turning 35 years old by a player

	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
1	Alex Rodriguez A. Rodriguez	599	2,258	8,658	1,733	2,629	470	29	1,787	1,100	152	1,799	299	71	10,015	4,954	1,098	16	89	87	208	.304	.388	.572	.960
2	Sammy Sosa S. Sosa	539	2,012	7,543	1,314	2,099	319	43	1,450	800	52	1,977	233	106	8,479	4,121	901	17	67	144	167	.278	.349	.546	.895
3	Jimmie Foxx J. Foxx	527	2,213	7,890	1,721	2,584	446	124	1,884	1,432	13	1,267	87		9,406	4,859	1,097	71			66	.328	.432	.616	1.047
4	Albert Pujols A. Pujols	520	2,117	7,943	1,514	2,519	561	16	1,603	1,115	92	906	98	38	9,241	4,672	1,097	1	90	286	297	.317	.403	.588	.991
5	Babe Ruth B. Ruth	516	1,791	5,995	1,566	2,076	396	112	1,561	1,429	36	980	101		7,555	4,244	1,024	95				.346	.475	.708	1.183
6	Willie Mays W. Mays	512	2,026	7,671	1,510	2,403	380	118	1,419	959	27	905	277	85	8,724	4,555	1,010	4	63	141	176	.313	.389	.594	.982
7	Hank Aaron H. Aaron	510	2,279	8,889	1,604	2,792	484	88	1,627	866	23	989	215	59	9,888	4,982	1,082	19	91	200	241	.314	.373	.560	.933
8	Ken Griffey Jr. K. Griffey Jr.	501	1,997	7,379	1,320	2,156	400	36	1,444	984	71	1,323	178	66	8,517	4,131	937	8	75	207	141	.292	.377	.560	.937
9	Harmon Killebrew H. Killebrew	498	1,923	6,567	1,112	1,727	240	20	1,315	1,260	45	1,373	17	17	7,931	3,501	758	0	59	131	189	.263	.382	.533	.915
10	Mickey Mantle M. Mantle	496	2,113	7,226	1,555	2,204	313	71	1,400	1,520	10	1,506	145	39	8,807	4,147	880	13	38	112	97	.305	.425	.574	.999
11	Eddie Mathews E. Mathews	493	2,223	8,049	1,452	2,201	338	70	1,389	1,375	23	1,390	67	37	9,532	4,158	901	33	52	94	121	.273	.379	.517	.895
12	Manny Ramirez M. Ramirez	478	1,867	6,765	1,284	2,117	447	17	1,547	1,079	79	1,485	34	31	8,001	4,032	942	2	76	157	200	.313	.409	.596	1.005
13	Lou Gehrig L. Gehrig	473	2,050	7,572	1,808	2,595	514	158	1,912	1,444	44	736	97		9,165	4,844	1,145	105				.343	.451	.640	1.090
14	Frank Robinson F. Robinson	471	2,171	7,936	1,498	2,404	440	66	1,443	1,069	165	1,167	191	73	9,259	4,389	977	13	76	176	217	.303	.393	.553	.947
15	Miguel Cabrera M. Cabrera	463	2,240	8,373	1,376	2,648	548	17	1,622	1,072	60	1,638	38	21	9,589	4,619	1,028	5	79	228	296	.316	.394	.552	.946
16	Mel Ott M. Ott	463	2,440	8,533	1,693	2,617	448	68	1,700	1,549	53	792	86		10,238	4,590	979	103			28	.307	.416	.538	.954
17	Adam Dunn A. Dunn	462	2,001	6,883	1,097	1,631	334	10	1,168	1,317	86	2,379	63	25	8,328	3,371	806	2	40	122	100	.237	.364	.490	.854
18	Mark McGwire M. McGwire	457	1,535	5,131	941	1,353	219	5	1,130	1,052	63	1,259	11	8	6,314	2,953	681	3	65	114	123	.264	.391	.576	.967
19	Juan Gonzalez J. Gonzalez	434	1,688	6,555	1,061	1,936	388	25	1,404	457	62	1,273	26	19	7,154	3,676	847	2	78	74	184	.295	.343	.561	.904
20	Jim Thome J. Thome	430	1,738	5,919	1,151	1,665	324	24	1,193	1,257	50	1,762	18	19	7,281	3,327	778	1	54	127	106	.281	.408	.562	.970
21	Giancarlo Stanton G. Stanton	429	1,649	6,025	907	1,551	305	11	1,103	776	53	1,963	42	15	6,893	3,165	745	0	39	88	153	.257	.345	.525	.871
22	Jose Canseco J. Canseco	425	1,674	6,326	1,077	1,690	310	14	1,278	778	75	1,716	195	87	7,251	3,303	749	1	71	61	160	.267	.351	.522	.873
23	Mike Schmidt M. Schmidt	424	1,786	6,179	1,160	1,641	292	51	1,179	1,178	61	1,538	167	84	7,512	3,307	767	16	78	139	104	.266	.384	.535	.919
24	Andruw Jones A. Jones	422	2,109	7,388	1,182	1,891	376	36	1,259	866	92	1,685	152	59	8,421	3,605	834	6	69	68	190	.256	.339	.488	.827
25	Barry Bonds B. Bonds	422	1,942	6,767	1,401	1,954	410	64	1,251	1,393	52	1,073	453	131	8,284	3,758	896	4	68	294	113	.289	.411	.555	.966