Albert Pujols hit the most homers by a player in his first 12 seasons, with 475 home runs.

Interpreted as:

most home runs by a player first 12 years

	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	Albert Pujols A. Pujols	475	1,859	6,919	1,376	2,246	505	15	1,434	1,027	82	780	92	36	8,103	4,206	995	1	74	267	251	.325	.414	.608	1.022	1639	665.4	.425	164	652.2
2	Ken Griffey Jr. K. Griffey Jr.	438	1,680	6,352	1,163	1,883	342	33	1,270	841	56	1,101	173	64	7,319	3,605	813	6	64	187	116	.296	.380	.568	.948	1317	432.6	.400	142	393.1
3	Alex Rodriguez A. Rodriguez	429	1,592	6,195	1,245	1,901	338	25	1,226	730	98	1,265	226	56	7,100	3,576	792	16	61	51	136	.307	.385	.577	.962	1339	454.2	.407	146	418.3
4	Eddie Mathews E. Mathews	422	1,792	6,549	1,220	1,834	275	65	1,166	1,155	19	1,095	62	32	7,800	3,505	762	31	46	76	92	.280	.387	.535	.922	1384	496.7	.404	151	487
5	Adam Dunn A. Dunn	406	1,721	5,929	988	1,422	301	10	1,018	1,170	76	2,031	61	23	7,210	2,961	717	2	33	110	93	.240	.370	.499	.870	1146	280.2	.372	125	227.6
6	Willie Mays W. Mays	406	1,691	6,458	1,258	2,033	333	106	1,179	791	26	750	248	77	7,334	3,796	845	1	58	111	152	.315	.389	.588	.976	1401	567.5	.421	158	516
7	Mickey Mantle M. Mantle	404	1,675	5,896	1,340	1,821	256	67	1,152	1,251	11	1,214	133	29	7,201	3,423	727	13	30	78	61	.309	.429	.581	1.009	1481	655.9	.441	174	648.6
8	Frank Robinson F. Robinson	403	1,786	6,582	1,248	2,004	375	59	1,225	856	135	963	171	65	7,652	3,706	837	13	66	154	170	.304	.392	.563	.955	1420	574.8	.412	155	494.8
9	Hank Aaron H. Aaron	398	1,806	7,080	1,289	2,266	391	80	1,305	663	21	736	149	45	7,855	4,011	869	19	72	143	193	.320	.376	.567	.943	1417	535.2	.406	156	522.7
10	Miguel Cabrera M. Cabrera	390	1,819	6,829	1,165	2,186	464	15	1,369	859	50	1,318	37	19	7,811	3,850	869	5	68	190	234	.320	.396	.564	.960	1439	519.4	.405	152	487.5
11	Manny Ramirez M. Ramirez	390	1,535	5,572	1,067	1,760	381	14	1,270	874	67	1,230	33	30	6,575	3,339	785	2	60	129	159	.316	.411	.599	1.010	1332	508.2	.424	154	463.6
12	Mike Schmidt M. Schmidt	389	1,638	5,663	1,068	1,496	269	48	1,074	1,086	57	1,427	162	78	6,892	3,028	706	16	70	125	89	.264	.384	.535	.918	1200	436.6	.402	151	396.7
13	Mark McGwire M. McGwire	387	1,380	4,622	811	1,201	198	5	983	890	57	1,104	10	8	5,633	2,570	590	3	61	86	115	.260	.382	.556	.938	1020	362.5	.402	152	362.2
14	Sammy Sosa S. Sosa	386	1,565	5,893	947	1,606	244	36	1,079	519	38	1,537	231	103	6,513	3,080	666	17	46	83	133	.273	.333	.523	.856	984	184.5	.363	118	161
15	Albert Belle A. Belle	381	1,539	5,853	974	1,726	389	21	1,239	683	55	961	88	41	6,673	3,300	791	4	78	91	193	.295	.369	.564	.933	1184	366.5	.396	139	338.6
16	Jeff Bagwell J. Bagwell	380	1,795	6,520	1,293	1,969	427	28	1,321	1,199	113	1,287	185	70	7,927	3,592	835	3	92	145	182	.302	.414	.551	.965	1516	542.9	.412	154	545.3
17	Ernie Banks E. Banks	376	1,657	6,303	946	1,773	279	72	1,121	557	43	805	43	45	6,983	3,324	727	12	68	146	145	.281	.340	.527	.868	1076	286	.372	125	211.9
18	Barry Bonds B. Bonds	374	1,742	6,069	1,244	1,750	359	56	1,094	1,227	42	958	417	118	7,403	3,343	789	3	62	260	95	.288	.408	.551	.959	1373	502.5	.408	157	510.6
19	Ralph Kiner R. Kiner	369	1,472	5,205	971	1,451	216	39	1,015	1,011	24	749	22	2	6,256	2,852	624	9	7	1	126	.279	.398	.548	.946	1167	442.7	.427	147	364.2
20	Aaron Judge A. Judge	368	1,145	4,105	873	1,205	203	7	830	817	40	1,369	65	21	4,995	2,526	578	0	33	104	116	.294	.413	.615	1.028	1050	453.4	.425	178	457.2
21	Andruw Jones A. Jones	368	1,761	6,408	1,045	1,683	330	34	1,117	717	83	1,394	138	55	7,276	3,185	732	6	62	65	160	.263	.342	.497	.839	1065	158.3	.357	114	129.7
22	Vladimir Guerrero V. Guerrero	365	1,607	6,076	1,041	1,972	373	40	1,177	615	79	736	168	83	6,819	3,520	778	0	49	223	192	.325	.391	.579	.970	1262	413.3	.403	144	381.7
23	Mark Teixeira M. Teixeira	363	1,635	6,157	999	1,683	370	18	1,175	812	103	1,251	22	7	7,129	3,178	751	0	57	84	144	.273	.364	.516	.881	1150	303.8	.376	129	252.1
24	Juan Gonzalez J. Gonzalez	362	1,363	5,292	860	1,554	312	21	1,142	376	50	1,031	22	17	5,779	2,994	695	2	59	66	142	.294	.343	.566	.908	969	262.4	.385	130	221.7
25	Mike Piazza M. Piazza	358	1,461	5,350	888	1,708	264	6	1,107	598	22	841	17	20	6,007	3,058	628	0	37	124	186	.319	.388	.572	.959	1117	367	.405	150	386.3