most rebounds before turning 20 by a forward

Dwight Howard has grabbed the most career boards by a forward younger than 20, with 1,061 rebounds.

Interpreted as:

most rebounds before turning 20 years old by a forward

	NAME	REB	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	AST	STL	BLK	TOV	PF	+/-
1	Dwight Howard D. Howard	1,061	100	33.3	12.4	10.6	1.0	0.9	1.6	4.5	8.8	51.1	0.0	0.0	0.0	3.5	5.3	65.2	55.9	3.5	7.1	2.0	3,327	1,243	100	94	163	203	297	-216
2	Jabari Smith Jr. J. Smith Jr.	569	79	31.0	12.8	7.2	1.3	0.5	0.9	4.6	11.3	40.8	1.5	4.9	30.7	2.1	2.6	78.6	51.4	1.5	5.7	1.3	2,450	1,010	101	43	74	104	227	-555
3	Josh Smith J. Smith	531	90	27.2	9.5	5.9	1.6	0.8	2.0	3.6	8.2	44.1	0.0	0.3	14.8	2.2	3.2	69.8	49.5	1.9	4.0	1.8	2,447	851	143	71	176	164	198	-466
4	Kevin Garnett K. Garnett	501	80	28.7	10.4	6.3	1.8	1.1	1.6	4.5	9.2	49.1	0.1	0.4	28.6	1.3	1.9	70.5	52.2	2.2	4.1	1.4	2,293	835	145	86	131	110	189
5	Carmelo Anthony C. Anthony	498	82	36.5	21.0	6.1	2.8	1.2	0.5	7.6	17.9	42.6	0.8	2.6	32.2	5.0	6.4	77.7	50.9	2.2	3.8	3.0	2,995	1,725	227	97	41	247	225	+65
6	Darius Miles D. Miles	477	81	26.3	9.4	5.9	1.2	0.6	1.5	3.9	7.8	50.5	0.0	0.2	5.3	1.5	2.9	52.1	51.8	1.6	4.3	1.8	2,133	761	99	51	125	147	191	+30
7	Giannis Antetokounmpo G. Antetokounmpo	463	98	25.1	7.9	4.7	2.0	0.7	0.7	2.7	6.2	43.3	0.4	1.3	32.8	2.0	2.9	69.6	52.3	1.1	3.7	1.6	2,460	770	194	73	73	156	225	-183
8	Michael Kidd-Gilchrist M. Kidd-Gilchrist	455	78	26.0	9.0	5.8	1.5	0.7	0.9	3.6	7.9	45.8	0.0	0.1	22.2	1.8	2.4	74.9	50.6	1.7	4.2	1.3	2,025	704	117	54	70	101	164	-286
9	Isaiah Stewart I. Stewart	453	68	21.4	7.9	6.7	0.9	0.6	1.3	3.3	6.0	55.3	0.3	0.9	33.3	0.9	1.4	69.6	59.7	2.3	4.3	1.0	1,455	537	59	39	86	67	184	-60
10	Eddie Griffin E. Griffin	416	73	26.0	8.8	5.7	0.7	0.2	1.8	3.3	9.1	36.6	1.2	3.7	33.0	0.9	1.2	74.4	45.6	1.6	4.1	0.6	1,896	642	53	17	134	47	117	-161
11	Derrick Favors D. Favors	412	78	19.7	6.8	5.3	0.5	0.4	0.9	2.8	5.3	51.7	0.0	0.0		1.3	2.2	59.5	54.2	2.2	3.1	1.0	1,536	533	39	29	68	77	246	-233
12	Anthony Davis A. Davis	384	49	28.0	12.9	7.8	0.9	1.1	1.8	5.2	10.3	50.8	0.0	0.1	0.0	2.4	3.3	72.5	54.6	2.4	5.4	1.4	1,372	630	45	54	87	69	112	-108
13	Marvin Williams M. Williams	383	79	24.7	8.5	4.8	0.8	0.6	0.3	3.0	6.7	44.3	0.2	0.7	24.5	2.4	3.2	74.7	52.3	1.5	3.3	1.1	1,952	672	63	48	24	83	227	-87
14	Anthony Randolph A. Randolph	363	63	17.9	7.9	5.8	0.8	0.7	1.2	3.2	6.8	46.2	0.0	0.1	0.0	1.6	2.2	71.6	50.6	2.0	3.7	1.3	1,129	499	49	42	74	80	141	-94
15	Justise Winslow J. Winslow	359	69	28.4	6.4	5.2	1.6	0.9	0.4	2.5	5.8	43.0	0.4	1.5	25.5	1.0	1.5	67.6	49.5	1.0	4.2	1.3	1,958	442	108	61	25	89	165	+102
16	Marquese Chriss M. Chriss	348	82	21.3	9.2	4.2	0.7	0.8	0.9	3.5	7.7	44.9	0.9	2.7	32.1	1.4	2.2	62.4	52.9	1.2	3.1	1.3	1,743	753	60	67	70	108	263	-380
17	Marvin Bagley III M. Bagley III	338	47	24.8	13.9	7.2	1.0	0.6	1.0	5.3	10.4	50.9	0.3	1.3	25.8	2.9	4.2	69.7	56.6	2.5	4.7	1.6	1,165	652	47	27	47	76	96	-59
18	Kevin Knox II K. Knox II	335	75	28.8	12.8	4.5	1.1	0.6	0.3	4.5	12.2	37.0	1.7	4.9	34.3	2.2	3.0	71.7	47.5	0.8	3.7	1.5	2,158	963	82	43	24	114	175	-637
19	Maurice Harkless M. Harkless	335	76	26.0	8.2	4.4	0.7	1.2	0.8	3.4	7.4	46.1	0.4	1.5	27.4	1.0	1.7	57.0	50.4	1.6	2.8	0.9	1,974	625	50	88	62	69	144	-468
20	Patrick Williams P. Williams	327	71	27.9	9.2	4.6	1.4	0.9	0.6	3.6	7.4	48.3	0.8	1.9	39.1	1.3	1.8	72.8	56.2	0.9	3.7	1.4	1,983	655	99	64	46	98	126	-292
21	Jermaine O'Neal J. O'Neal	325	105	12.1	4.3	3.1	0.2	0.2	0.8	1.7	3.7	47.1	0.0	0.0	0.0	0.9	1.6	55.1	49.6	1.1	2.0	0.8	1,266	454	25	17	84	82	147	+40
22	Luol Deng L. Deng	322	61	27.3	11.7	5.3	2.2	0.8	0.4	4.6	10.6	43.4	0.5	1.9	26.5	2.0	2.7	74.1	49.6	1.5	3.8	1.9	1,663	711	135	48	27	118	98	+158
23	Brandon Ingram B. Ingram	316	79	28.9	9.4	4.0	2.1	0.6	0.5	3.5	8.7	40.2	0.7	2.4	29.4	1.7	2.7	62.1	47.4	0.8	3.2	1.5	2,279	740	166	50	36	116	158	-381
24	Jayson Tatum J. Tatum	314	63	30.6	13.3	5.0	1.4	0.9	0.8	4.7	9.9	47.3	1.3	2.9	43.2	2.6	3.2	82.9	58.7	0.7	4.3	1.3	1,926	835	88	59	50	81	131	+271
25	Thaddeus Young T. Young	312	74	21.0	8.2	4.2	0.8	1.0	0.1	3.6	6.6	53.9	0.1	0.3	31.6	1.0	1.4	73.8	57.0	1.6	2.6	0.9	1,554	610	58	73	8	64	126	+181