youngest player to hit 40 home runs in a season

Mel Ott is the youngest with 40+ home runs in a season. He was 20 years old in 1929.

Interpreted as:

youngest player to hit 40 or more home runs in a season

	NAME	AGE	HR	SEASON	TM	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	Mel Ott M. Ott	20	42	1929	NYG	150	545	138	179	37	2	151	113	6	38	6		674	346	81	10				.328	.449	.635	1.084	159	69.6	.475	162	61.5
2	Junior Caminero J. Caminero	21	45	2025	TBR	154	602	93	159	28	0	110	41	3	125	7	1	653	322	73	0	7	1	31	.264	.311	.535	.846	100	23	.357	134	26.3
3	Ronald Acuña Jr. R. Acuña Jr.	21	41	2019	ATL	156	626	127	175	22	2	101	76	9	188	37	9	712	324	65	0	1	4	8	.280	.365	.518	.883	120	30.1	.369	126	24
4	Eddie Mathews E. Mathews	21	47	1953	MIL	157	579	110	175	31	8	135	99	2	83	1	3	681	363	86	1			6	.302	.406	.627	1.033	144	62.6	.451	168	60.8
5	Fernando Tatis Jr. F. Tatis Jr.	22	42	2021	SDP	130	478	99	135	31	0	97	62	2	153	25	4	546	292	73	0	4	6	5	.282	.364	.611	.975	106	39.9	.403	158	40.4
6	Vladimir Guerrero Jr. V. Guerrero Jr.	22	48	2021	TOR	161	604	123	188	29	1	111	86	6	110	4	1	698	363	78	0	2	7	20	.311	.401	.601	1.002	145	60.4	.419	166	56.1
7	Bryce Harper B. Harper	22	42	2015	WSH	153	521	118	172	38	1	99	124	5	131	6	4	654	338	81	0	4	15	15	.330	.460	.649	1.109	151	77.3	.461	197	73.9
8	Alex Rodriguez A. Rodriguez	22	42	1998	SEA	161	686	123	213	35	5	124	45	10	121	46	13	748	384	82	3	4	0	12	.310	.360	.560	.919	132	39	.394	136	34.6
9	Juan Gonzalez J. Gonzalez	22	43	1992	TEX	155	584	77	152	24	2	109	35	5	143	0	1	632	309	69	0	8	1	16	.260	.304	.529	.833	92	24.1	.367	131	21.8
10	Johnny Bench J. Bench	22	45	1970	CIN	158	605	97	177	35	4	148	54	0	102	5	2	671	355	84	1	11	9	12	.293	.345	.587	.932	118	41.7	.399	145	37.2
11	Eddie Mathews E. Mathews	22	40	1954	MIL	138	476	96	138	21	4	103	113	2	61	10	3	601	287	65	3	7		9	.290	.423	.603	1.026	124	55.5	.452	169	52.5
12	Joe DiMaggio J. DiMaggio	22	46	1937	NYY	151	621	151	215	35	15	167	64	5	37	3	0	692	418	96	2				.346	.412	.673	1.085	160	73.6	.474	165	64.8
13	Cody Bellinger C. Bellinger	23	47	2019	LAD	156	558	121	170	34	3	115	95	3	108	15	5	660	351	84	0	4	21	10	.305	.406	.629	1.035	137	54.2	.415	160	52.6
14	Joey Gallo J. Gallo	23	41	2017	TEX	145	449	85	94	18	3	80	75	8	196	7	2	532	241	62	0	0	1	3	.209	.333	.537	.869	84	19.2	.364	119	12.6
15	Mike Trout M. Trout	23	41	2015	LAA	159	575	104	172	32	6	90	92	10	158	11	7	682	339	79	0	5	14	11	.299	.402	.590	.991	132	55.4	.415	170	55.5
16	Prince Fielder P. Fielder	23	50	2007	MIL	158	573	109	165	35	2	119	90	14	121	2	2	681	354	87	0	4	21	9	.288	.395	.618	1.013	134	50.1	.419	153	46.7
17	Albert Pujols A. Pujols	23	43	2003	STL	157	591	137	212	51	1	124	79	10	65	5	1	685	394	95	0	5	12	13	.359	.439	.667	1.106	160	76.4	.461	184	74.1
18	Troy Glaus T. Glaus	23	47	2000	ANA	159	563	120	160	37	1	102	112	2	163	14	11	678	340	85	0	1	6	14	.284	.404	.604	1.008	138	49	.424	150	46
19	Alex Rodriguez A. Rodriguez	23	42	1999	SEA	129	502	110	143	25	0	111	56	5	109	21	7	572	294	67	1	8	2	12	.285	.357	.586	.943	101	27	.395	137	27.9
20	Juan Gonzalez J. Gonzalez	23	46	1993	TEX	140	536	105	166	33	1	118	37	13	99	4	1	587	339	80	0	1	7	12	.310	.368	.632	1.000	118	47.5	.427	164	46.1
21	Ken Griffey Jr. K. Griffey Jr.	23	45	1993	SEA	156	582	113	180	38	3	109	96	6	91	17	9	691	359	86	0	7	25	14	.309	.408	.617	1.025	140	57.7	.430	164	54.4
22	Jose Canseco J. Canseco	23	42	1988	OAK	158	610	120	187	34	0	124	78	10	128	40	16	705	347	76	1	6	10	15	.307	.391	.569	.959	134	56.9	.419	170	56.8
23	Mark McGwire M. McGwire	23	49	1987	OAK	151	557	97	161	28	4	118	71	5	131	1	1	641	344	81	0	8	8	6	.289	.370	.618	.987	124	45.2	.411	157	46.2
24	Reggie Jackson R. Jackson	23	47	1969	OAK	152	549	123	151	36	3	118	114	12	142	13	5	677	334	86	1	1	20	8	.275	.410	.608	1.018	137	64.9	.442	179	62.1
25	Orlando Cepeda O. Cepeda	23	46	1961	SFG	152	585	105	182	28	4	142	39	9	91	12	8	636	356	78	0	3	11	21	.311	.362	.609	.970	121	45.5	.413	153	42.5