most home runs in a season by a player younger than 20

Tony Conigliaro has launched the most home runs by a player younger than 20 in a season, with 24 homers in his rookie season in 1964.

Interpreted as:

most home runs in a season by a player younger than 20 years old

	NAME	HR	AGE	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	Tony Conigliaro T. Conigliaro	24	19	1964	BOS	111	404	69	117	21	2	52	35	5	78	2	4	444	214	47	0	0	1	11	.290	.354	.530	.883	75	27.3	.388	139	20
2	Juan Soto J. Soto	22	19	2018	WSH	116	414	77	121	25	1	70	79	0	99	5	2	494	214	48	1	0	10	9	.292	.406	.517	.923	89	31.1	.392	145	27.3
3	Bryce Harper B. Harper	22	19	2012	WSH	139	533	98	144	26	9	59	56	2	120	18	6	597	254	57	3	3	0	8	.270	.340	.477	.817	86	17.9	.352	121	14.9
4	Mel Ott M. Ott	18	19	1928	NYG	124	435	69	140	26	4	77	52	2	36	3		499	228	48	10				.322	.397	.524	.921	90	29.4	.418	140	25.9
5	Ken Griffey Jr. K. Griffey Jr.	16	19	1989	SEA	127	455	61	120	23	0	61	44	2	83	16	7	506	191	39	1	4	8	4	.264	.329	.420	.748	62	7.4	.333	105	3
6	Mickey Mantle M. Mantle	13	19	1951	NYY	96	341	61	91	11	5	65	43	0	74	8	7	386	151	29	2			3	.267	.349	.443	.792	53	8.1	.363	116	7.7
7	Ed Kranepool E. Kranepool	10	19	1964	NYM	119	420	47	108	19	4	45	32	2	50	0	1	461	165	33	3	4	2	9	.257	.310	.393	.703	51	1.6	.311	99	-0.7
8	Phil Cavarretta P. Cavarretta	9	19	1936	CHC	124	458	55	125	18	1	56	17	5	36	8		486	172	28	6			8	.273	.306	.376	.682	49	-14.3	.314	80	-12.7
9	Robin Yount R. Yount	8	19	1975	MIL	147	558	67	149	28	2	52	33	1	69	12	4	607	205	38	10	5	3	8	.267	.307	.367	.674	60	-6.4	.307	90	-7
10	Phil Cavarretta P. Cavarretta	8	18	1935	CHC	146	589	85	162	28	12	82	39	2	61	4		636	238	48	6			9	.275	.322	.404	.726	75	-4.7	.332	94	-4.7
11	Manny Machado M. Machado	7	19	2012	BAL	51	191	24	50	8	3	26	9	0	38	2	0	202	85	18	1	1	0	6	.262	.294	.445	.739	23	0.3	.317	97	-0.7
12	Adrian Beltre A. Beltre	7	19	1998	LAD	77	195	18	42	9	0	22	14	3	37	3	1	214	72	16	2	0	0	4	.215	.278	.369	.648	19	-7.9	.287	76	-6.6
13	Cesar Cedeno C. Cedeno	7	19	1970	HOU	90	355	46	110	21	4	42	15	2	57	17	4	377	160	32	3	2	2	8	.310	.340	.451	.790	52	9	.350	111	5.2
14	Rusty Staub R. Staub	6	19	1963	HOU	150	513	43	115	17	4	45	59	5	58	0	0	585	158	27	6	2	8	10	.224	.309	.308	.617	50	-10.7	.279	84	-10.2
15	Sibby Sisti S. Sisti	6	19	1940	BSN	123	459	73	115	19	5	34	36	4	64	4		507	162	30	8			4	.251	.311	.353	.664	50	-10.8	.307	88	-7.4
16	Buddy Lewis B. Lewis	6	19	1936	WSH	143	601	100	175	21	13	67	47	4	46	6	6	657	240	40	5				.291	.347	.399	.746	84	-2	.346	86	-13.6
17	Frankie Hayes F. Hayes	6	19	1934	PHA	92	248	24	56	10	0	30	20	1	44	2	1	271	84	16	2				.226	.286	.339	.625	23	-11.1	.291	59	-15.7
18	George Davis G. Davis	6	19	1890	CLN	136	526	98	139	22	9	73	53	4	34	22		583	197	37					.264	.336	.375	.711	93	3.3	.344	104	3.8
19	Oyster Burns O. Burns	6	19	1884	TOT	37	138	34	40	2	7	23	8	3				149	74	15					.290	.342	.536	.879	34	12.7	.389	154	12.2
20	Fred Carroll F. Carroll	6	19	1884	COL	69	252	46	70	13	5		13	5				270	111	24					.278	.326	.440	.766	54	14.2	.347	138	15.5
21	Mike Trout M. Trout	5	19	2011	LAA	40	123	20	27	6	0	16	9	2	30	4	0	135	48	11	0	1	0	2	.220	.281	.390	.672	13	-2.1	.296	87	-2.1
22	Andruw Jones A. Jones	5	19	1996	ATL	31	106	11	23	7	1	13	7	0	29	3	0	113	47	13	0	0	0	1	.217	.265	.443	.709	11	-3.1	.303	79	-3
23	Alex Rodriguez A. Rodriguez	5	19	1995	SEA	48	142	15	33	6	2	19	6	0	42	4	2	149	58	13	1	0	0	0	.232	.264	.408	.672	13	-5.1	.292	69	-6
24	Harry Chiti H. Chiti	5	19	1952	CHC	32	113	14	31	5	0	13	5	0	8	0	1	118	51	10	0			3	.274	.305	.451	.756	15	1.7	.346	102	0.3
25	B.J. Upton	4	19	2004	TBD	45	159	19	41	8	2	12	15	1	46	4	1	177	65	14	1	1	0	1	.258	.324	.409	.733	20	-1.5	.320	92	-1.9