most homeruns before age 21 season

Mel Ott has hit the most homers by a player younger than 21 in a season, with 42 home runs in 1929.

Interpreted as:
most homeruns by a player before age 21 season
NAMEHRAgeSEASONTMGABRH2B3BRBIBBHBPSOSBCSPATBXBHSHSFIBBGIDPAVGOBPSLGOPSwRCWRAAwOBAwRC+BRAA
1Mel Ott
M. Ott
42
20
1929
NYG 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
2Frank Robinson
F. Robinson
38
20
1956
CIN CIN
152
572
122
166
27
6
83
64
20
95
8
4
668
319
71
8
4
7
14
.290
.379
.558
.936
120
42.9
.407
145
36.4
3Alex Rodriguez
A. Rodriguez
36
20
1996
SEA SEA
146
601
141
215
54
1
123
59
4
104
15
4
677
379
91
6
7
1
15
.358
.414
.631
1.045
149
62.1
.443
159
55.4
4Juan Soto
J. Soto
34
20
2019
WSH WSH
150
542
110
153
32
5
110
108
3
132
12
1
659
297
71
0
6
3
11
.282
.401
.548
.949
125
42.2
.394
143
37.3
5Tony Conigliaro
T. Conigliaro
32
20
1965
BOS BOS
138
521
82
140
21
5
82
51
5
116
4
2
586
267
58
6
3
6
9
.269
.338
.512
.850
91
29.6
.372
131
20.4
6Ted Williams
T. Williams
31
20
1939
BSA BSA
149
565
131
185
44
11
145
107
2
64
2
1
677
344
86
3
10
.327
.436
.609
1.045
150
66.1
.464
156
53.1
7Mike Trout
M. Trout
30
20
2012
LAA LAA
139
559
129
182
27
8
83
67
6
139
49
5
639
315
65
0
7
4
7
.326
.399
.564
.963
121
48.2
.409
167
50
8Al Kaline
A. Kaline
27
20
1955
DET DET
152
588
121
200
24
8
102
82
5
57
6
8
681
321
59
0
6
12
13
.340
.421
.546
.967
131
52
.423
156
47.2
9Ronald Acuña Jr.
R. Acuña Jr.
26
20
2018
ATL ATL
111
433
78
127
26
4
64
45
6
123
16
5
487
239
56
0
3
2
4
.293
.366
.552
.917
86
28.9
.388
142
25.3
10Orlando Cepeda
O. Cepeda
25
20
1958
SFG SFG
148
603
88
188
38
4
96
29
3
84
15
11
644
309
67
0
9
7
18
.312
.342
.512
.854
97
24.5
.369
123
18.2
11Eddie Mathews
E. Mathews
25
20
1952
BSN BSN
145
528
80
128
23
5
58
59
1
115
6
4
593
236
53
5
9
.242
.320
.447
.767
76
11.4
.353
114
9.7
12Tony Conigliaro
T. Conigliaro
24
19
1964
BOS 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
13Bob Horner
B. Horner
23
20
1978
ATL ATL
89
323
50
86
17
1
63
24
2
42
0
0
359
174
41
1
9
2
7
.266
.313
.539
.852
53
14.4
.371
124
9.4
14Mickey Mantle
M. Mantle
23
20
1952
NYY NYY
142
549
94
171
37
7
87
75
0
111
4
1
626
291
67
2
5
.311
.394
.530
.924
112
44.1
.421
159
43.1
15Fernando Tatis Jr.
F. Tatis Jr.
22
20
2019
SDP SDP
84
334
61
106
13
6
53
30
5
110
16
6
372
197
41
0
3
1
4
.317
.379
.590
.969
72
25.2
.398
151
24.8
16Juan Soto
J. Soto
22
19
2018
WSH 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
17Carlos Correa
C. Correa
22
20
2015
HOU HOU
99
387
52
108
22
1
68
40
1
78
14
4
432
198
45
0
4
2
10
.279
.345
.512
.857
67
17.9
.365
136
17.9
18Bryce Harper
B. Harper
22
19
2012
WSH 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
19Giancarlo Stanton
G. Stanton
22
20
2010
FLA FLA
100
359
45
93
21
1
59
34
2
123
5
2
396
182
44
0
1
6
7
.259
.326
.507
.833
57
11.1
.356
118
8.6
20Ken Griffey Jr.
K. Griffey Jr.
22
20
1990
SEA SEA
155
597
91
179
28
7
80
63
2
81
16
11
666
287
57
0
4
12
12
.300
.366
.481
.847
102
27.3
.372
132
24.3
21Jackson Chourio
J. Chourio
21
20
2024
MIL MIL
148
528
80
145
29
4
79
39
3
121
22
7
573
245
54
1
2
4
7
.275
.327
.464
.791
80
13.1
.339
117
11.6
22Bryce Harper
B. Harper
20
20
2013
WSH WSH
118
424
71
116
24
3
58
61
5
94
11
4
497
206
47
3
4
4
4
.274
.368
.486
.854
77
22.1
.371
137
20.7
23Vada Pinson
V. Pinson
20
20
1959
CIN CIN
154
648
131
205
47
9
84
55
1
98
21
6
706
330
76
2
0
3
9
.316
.371
.509
.880
118
37.5
.386
130
26.3
24Willie Mays
W. Mays
20
20
1951
NYG NYG
121
464
59
127
22
5
68
57
2
60
7
4
524
219
47
1
11
.274
.356
.472
.828
78
16.8
.378
120
12.9
25Jason Heyward
J. Heyward
18
20
2010
ATL ATL
142
520
83
144
29
5
72
91
10
128
11
6
623
237
52
0
2
2
13
.277
.393
.456
.849
100
28
.377
133
24.9
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