what player has most 15 rebound games in nba history before turning 20

Dwight Howard had the most games by a player younger than 20 with 15+ rebounds, with 21 games.

Interpreted as:

What player has most 15 or more rebound regular-season games in NBA history before turning 20 years old?

	NAME	GP	REB	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	21	357	37.7	15.7	17.0	1.1	1.0	2.0	6.0	12.0	50.2	0.0	0.1	0.0	3.6	5.5	66.1	54.3	5.1	11.9	2.1	793	330	24	21	41	44	70	+27
2	Jalen Duren J. Duren	7	119	35.1	15.4	17.0	2.6	0.7	2.1	6.4	10.0	64.3	0.0	0.0		2.6	3.6	72.0	66.7	5.7	11.3	2.7	246	108	18	5	15	19	23	+11
3	Victor Wembanyama V. Wembanyama	4	68	32.1	17.8	17.0	3.8	1.0	3.5	6.8	15.3	44.3	0.8	3.5	21.4	3.5	4.3	82.4	51.8	3.5	13.5	2.5	128	71	15	4	14	10	10	-18
4	Anthony Davis A. Davis	3	49	38.5	17.3	16.3	1.0	1.3	1.7	6.3	13.3	47.5	0.0	0.0		4.7	6.0	77.8	54.3	4.7	11.7	2.7	116	52	3	4	5	8	9	-19
5	Dereck Lively II D. Lively II	2	32	37.4	18.0	16.0	1.0	0.5	4.0	8.5	9.0	94.4	0.0	0.0		1.0	2.5	40.0	89.1	5.5	10.5	3.0	75	36	2	1	8	6	5	+17
6	Josh Giddey J. Giddey	2	33	33.2	11.0	16.5	8.0	0.5	0.0	5.0	12.5	40.0	1.0	2.5	40.0	0.0	0.0		44.0	4.0	12.5	5.0	66	22	16	1	0	10	2	-18
7	Isaiah Stewart I. Stewart	2	37	31.6	16.5	18.5	1.5	1.5	2.5	7.5	12.0	62.5	0.0	0.5	0.0	1.5	2.0	75.0	64.1	7.5	11.0	1.5	63	33	3	3	5	3	8	+40
8	Anthony Randolph A. Randolph	2	31	41.8	22.0	15.5	2.0	2.0	1.0	9.0	17.5	51.4	0.0	0.0		4.0	4.5	88.9	56.5	3.0	12.5	1.5	84	44	4	4	2	3	6	-11
9	Andrew Bynum A. Bynum	2	31	35.5	10.5	15.5	2.5	0.0	5.5	4.5	6.5	69.2	0.0	0.0		1.5	4.0	37.5	63.6	5.5	10.0	2.5	71	21	5	0	11	5	7	-7
10	Chris Bosh C. Bosh	2	32	42.5	18.0	16.0	1.0	1.0	2.5	6.5	13.0	50.0	0.0	0.0		5.0	7.0	71.4	56.0	6.5	9.5	0.5	85	36	2	2	5	1	4	+34
11	Kevin Garnett K. Garnett	2	34	40.5	15.0	17.0	1.5	0.5	3.0	7.0	15.0	46.7	0.0	0.5	0.0	1.0	1.0	100.0	48.6	4.5	12.5	1.0	81	30	3	1	6	2	6
12	Dominick Barlow D. Barlow	1	19	34.0	21.0	19.0	1.0	1.0	1.0	8.0	11.0	72.7	0.0	0.0		5.0	7.0	71.4	74.6	6.0	13.0	0.0	34	21	1	1	1	0	5	+6
13	Jabari Smith Jr. J. Smith Jr.	1	15	27.8	9.0	15.0	2.0	0.0	2.0	4.0	10.0	40.0	0.0	2.0	0.0	1.0	2.0	50.0	41.4	6.0	9.0	1.0	28	9	2	0	2	1	4	-21
14	Paolo Banchero P. Banchero	1	16	39.9	33.0	16.0	4.0	0.0	1.0	14.0	26.0	53.8	0.0	3.0	0.0	5.0	5.0	100.0	58.5	1.0	15.0	1.0	40	33	4	0	1	1	2	+1
15	Alperen Sengun A. Sengun	1	15	32.7	14.0	15.0	4.0	0.0	1.0	5.0	7.0	71.4	0.0	1.0	0.0	4.0	4.0	100.0	79.9	6.0	9.0	5.0	33	14	4	0	1	5	4	-6
16	RJ Barrett	1	15	40.0	19.0	15.0	5.0	0.0	1.0	7.0	15.0	46.7	0.0	2.0	0.0	5.0	11.0	45.5	47.9	6.0	9.0	2.0	40	19	5	0	1	2	3	+5
17	Kevin Knox II K. Knox II	1	15	41.2	26.0	15.0	0.0	1.0	0.0	10.0	25.0	40.0	4.0	8.0	50.0	2.0	2.0	100.0	50.2	3.0	12.0	0.0	41	26	0	1	0	0	2	-7
18	Marvin Bagley III M. Bagley III	1	17	33.8	20.0	17.0	2.0	0.0	0.0	7.0	15.0	46.7	0.0	0.0		6.0	8.0	75.0	54.0	7.0	10.0	0.0	34	20	2	0	0	0	1	+5
19	Jahlil Okafor J. Okafor	1	15	31.4	21.0	15.0	1.0	0.0	2.0	9.0	25.0	36.0	0.0	0.0		3.0	8.0	37.5	36.8	6.0	9.0	1.0	31	21	1	0	2	1	2	-22
20	Andre Drummond A. Drummond	1	18	27.7	18.0	18.0	1.0	2.0	1.0	9.0	15.0	60.0	0.0	0.0		0.0	1.0	0.0	58.3	9.0	9.0	0.0	28	18	1	2	1	0	3	-21
21	Bismack Biyombo B. Biyombo	1	15	32.2	10.0	15.0	0.0	1.0	7.0	2.0	4.0	50.0	0.0	0.0		6.0	10.0	60.0	59.5	6.0	9.0	2.0	32	10	0	1	7	2	3	+11
22	Josh Smith J. Smith	1	15	42.0	9.0	15.0	1.0	0.0	2.0	3.0	8.0	37.5	0.0	0.0		3.0	8.0	37.5	39.1	2.0	13.0	0.0	42	9	1	0	2	0	5	-4
23	LeBron James L. James	1	16	55.0	33.0	16.0	7.0	1.0	1.0	14.0	28.0	50.0	3.0	6.0	50.0	2.0	3.0	66.7	56.3	2.0	14.0	8.0	55	33	7	1	1	8	1	-10
24	Tyson Chandler T. Chandler	1	15	48.0	16.0	15.0	6.0	1.0	3.0	6.0	13.0	46.2	0.0	0.0		4.0	7.0	57.1	49.8	4.0	11.0	1.0	48	16	6	1	3	1	3	+9
25	Tracy McGrady T. McGrady	1	15	33.0	12.0	15.0	5.0	3.0	2.0	5.0	7.0	71.4	0.0	1.0	0.0	2.0	2.0	100.0	76.1	5.0	10.0	4.0	33	12	5	3	2	4	4	-3