Dwight Howard has averaged the most career rebounds per game by a player younger than 19, with 10.4 per game.

Interpreted as:

NBA players most rpg before turning 19 years old

	NAME	RPG	GP	MPG	PPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
1	Dwight Howard D. Howard	10.4	17	32.0	10.5	1.6	1.0	1.9	3.8	6.9	54.7	0.0	0.0		3.0	5.1	58.6	57.6	3.8	6.6	2.2	544	179	177	27	17	32	38	40	+19
2	Jalen Duren J. Duren	7.4	13	21.4	6.3	0.3	0.3	1.2	2.7	4.8	55.6	0.0	0.1	0.0	0.9	2.4	38.7	53.5	2.9	4.5	1.1	279	82	96	4	4	15	14	27	-69
3	Cooper Flagg C. Flagg	6.3	25	33.7	17.5	3.4	1.3	0.7	6.8	14.1	48.2	0.8	3.4	25.0	3.0	3.7	81.7	55.5	1.2	5.1	2.1	842	437	157	86	33	17	52	56	-143
4	LeBron James L. James	5.9	31	40.2	20.2	6.1	1.6	0.7	7.6	17.9	42.6	1.0	3.3	31.1	3.8	5.0	77.3	50.1	1.5	4.5	3.9	1,247	625	184	188	49	23	121	56	-67
5	Tracy McGrady T. McGrady	4.2	64	18.4	7.0	1.5	0.8	1.0	2.8	6.2	45.0	0.2	0.6	34.1	1.2	1.7	71.2	50.5	1.6	2.6	1.0	1,179	451	269	98	49	61	66	86	-229
6	Giannis Antetokounmpo G. Antetokounmpo	3.2	13	16.2	5.2	0.9	0.5	0.7	2.1	4.1	50.9	0.5	1.2	40.0	0.6	1.2	50.0	56.6	0.7	2.5	1.0	210	68	42	12	7	9	13	23	+3
7	Andris Biedrins A. Biedrins	3.2	20	11.9	3.7	0.3	0.5	0.8	1.6	2.6	59.6	0.0	0.1	0.0	0.6	1.3	42.3	57.5	1.2	2.0	0.4	237	73	63	6	9	15	7	49	+4
8	Devin Booker D. Booker	3.0	1	21.3	14.0	0.0	1.0	0.0	6.0	7.0	85.7	1.0	2.0	50.0	1.0	3.0	33.3	84.1	0.0	3.0	0.0	21	14	3	0	1	0	0	2	+4
9	Jermaine O'Neal J. O'Neal	2.8	45	10.2	4.1	0.2	0.0	0.6	1.5	3.4	45.1	0.0	0.0	0.0	1.0	1.7	60.3	49.4	0.9	1.9	0.6	458	185	124	8	2	26	27	46	+26
10	Josh Smith J. Smith	2.6	13	12.7	5.1	0.8	0.3	0.7	1.9	3.9	49.0	0.0	0.2	0.0	1.2	1.9	64.0	53.2	1.0	1.6	1.2	165	66	34	11	4	9	16	18	-8
11	Eddy Curry E. Curry	2.2	13	12.4	4.4	0.3	0.2	0.8	1.5	3.6	40.4	0.0	0.0		1.5	2.4	61.3	47.0	0.6	1.6	0.9	161	57	29	4	2	11	12	23	-44
12	Kobe Bryant K. Bryant	1.9	71	15.5	7.6	1.3	0.7	0.3	2.5	5.9	41.7	0.7	1.9	37.5	1.9	2.3	81.9	54.4	0.7	1.2	1.6	1,103	539	132	91	49	23	112	102	+60
13	Andrew Bynum A. Bynum	1.7	46	7.4	1.6	0.2	0.1	0.5	0.7	1.8	40.2	0.0	0.0		0.2	0.6	29.6	39.4	0.7	1.0	0.4	338	74	80	9	4	22	17	56	-47
14	Al Harrington A. Harrington	1.5	2	2.0	0.0	0.0	0.0	0.0	0.0	0.5	0.0	0.0	0.0		0.0	1.0	0.0	0.0	0.0	1.5	0.5	4	0	3	0	0	0	1	0	-4
15	CJ Miles	1.5	17	7.9	2.4	0.5	0.2	0.0	0.8	2.9	28.6	0.2	0.8	21.4	0.6	0.8	76.9	37.5	0.6	0.8	0.4	134	41	25	9	4	0	6	15	+16
16	Ulrich Chomche U. Chomche	1.3	3	4.5	0.7	0.3	0.0	0.0	0.3	0.7	50.0	0.0	0.0		0.0	0.0		50.0	0.7	0.7	0.7	14	2	4	1	0	0	2	2	-1
17	Amir Johnson A. Johnson	1.3	3	12.9	6.7	1.0	0.0	0.7	2.3	3.3	70.0	0.7	1.0	66.7	1.3	1.3	100.0	85.0	1.0	0.3	1.3	39	20	4	3	0	2	4	7	-22
18	Darko Milicic D. Milicic	1.3	34	4.7	1.4	0.2	0.2	0.4	0.5	1.9	26.2	0.0	0.0	0.0	0.4	0.7	58.3	31.8	0.3	0.9	0.4	159	48	43	7	7	15	13	33	-45
19	Joan Beringer J. Beringer	1.1	7	4.1	1.7	0.0	0.1	0.1	0.9	1.0	85.7	0.0	0.0		0.0	0.1	0.0	80.6	0.1	1.0	0.3	29	12	8	0	1	1	2	7	+6
20	GG Jackson	1.0	3	2.2	0.0	0.0	0.3	0.0	0.0	1.3	0.0	0.0	0.7	0.0	0.0	0.0		0.0	0.3	0.7	0.3	7	0	3	0	1	0	1	0	-1
21	Dragan Bender D. Bender	1.0	9	9.4	3.3	0.4	0.2	0.3	1.3	3.1	42.9	0.7	1.7	40.0	0.0	0.0		53.6	0.3	0.7	0.3	85	30	9	4	2	3	3	12	+16
22	Maciej Lampe M. Lampe	1.0	3	7.7	2.0	0.0	0.3	0.0	1.0	2.7	37.5	0.0	0.7	0.0	0.0	0.0		37.5	0.0	1.0	0.3	23	6	3	0	1	0	1	4	-6
23	Jonathan Bender J. Bender	0.8	9	4.4	2.2	0.0	0.0	0.3	0.9	2.3	38.1	0.2	0.6	40.0	0.2	0.4	50.0	43.9	0.0	0.8	0.4	40	20	7	0	0	3	4	5	-5
24	Joshua Primo J. Primo	0.8	8	7.4	2.0	0.5	0.4	0.5	0.8	1.4	54.5	0.5	1.0	50.0	0.0	0.0		72.7	0.1	0.6	0.0	59	16	6	4	3	4	0	4	+7
25	Martell Webster M. Webster	0.7	9	9.2	4.0	0.1	0.1	0.0	1.6	3.6	43.8	0.9	2.0	44.4	0.0	0.0		56.3	0.1	0.6	1.0	83	36	6	1	1	0	9	8	-29