Jesse Branson and Frank Reddout are tied for the most career rebounds when playing <20 minutes, with 9 boards.

Interpreted as:

most rebounds by a player in history under 20 min

	NAME	REB	MIN	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	PTS	AST	STL	BLK	TOV	PF	+/-
1	Jesse Branson J. Branson	9	14	5	2.8	1.0	1.8	0.2			0.2	1.2	16.7				0.6	0.8	75.0	32.2				5	1				4
2	Frank Reddout F. Reddout	9	18	7	2.6	1.9	1.3	0.0			0.7	0.9	83.3				0.4	0.6	75.0	83.8				13	0				6
3	Cedric Henderson C. Henderson	8	16	8	2.0	1.4	1.0	0.0	0.0	0.0	0.5	1.0	50.0	0.0	0.0		0.4	0.4	100.0	59.0	0.4	0.6	0.5	11	0	0	0	4	2
4	Cozell McQueen C. McQueen	8	7	3	2.3	2.0	2.7	0.0	0.0	0.3	1.0	1.0	100.0	0.0	0.0		0.0	0.0		100.0	1.0	1.7	0.0	6	0	0	1	0	1
5	Eric Mika E. Mika	7	19	1	19.0	6.0	7.0	0.0	0.0	0.0	2.0	3.0	66.7	0.0	0.0		2.0	2.0	100.0	77.3	2.0	5.0	0.0	6	0	0	0	0	5	+8
6	John Barber J. Barber	6	19	5	3.8	1.4	1.2	0.0			0.4	1.6	25.0				0.6	1.2	50.0	32.9				7	0				4
7	Jim Lampley J. Lampley	5	16	1	16.0	3.0	5.0	0.0	1.0	0.0	1.0	3.0	33.3	0.0	0.0		1.0	2.0	50.0	38.7	1.0	4.0	1.0	3	0	1	0	1	0
8	Bob Miller B. Miller	5	8	2	4.0	2.0	2.5	0.5	0.0	0.5	1.0	1.5	66.7	0.0	0.0		0.0	0.0		66.7	1.0	1.5	0.0	4	1	0	1	0	5
9	Jim Garvin J. Garvin	5	11	6	1.8	0.3	0.8	0.0	0.0	0.0	0.2	0.7	25.0				0.0	0.0		25.0	0.2	0.7		2	0	0	0		1
10	Roland West R. West	5	14	4	3.5	1.0	1.3	0.0			0.5	1.3	40.0				0.0	0.0		40.0				4	0				3
11	Will Frazier W. Frazier	5	9	2	4.5	0.5	2.5	0.5			0.0	2.0	0.0				0.5	1.0	50.0	10.2				1	1				1
12	Bob Naber B. Naber	5	11	4	2.8	0.3	1.3	0.3			0.0	1.0	0.0				0.3	0.5	50.0	10.2				1	1				6
13	Miles Kelly M. Kelly	4	11	2	5.5	1.0	2.0	0.0	0.0	0.0	0.5	1.0	50.0	0.0	0.5	0.0	0.0	0.0		50.0	0.5	1.5	0.5	2	0	0	0	1	2	-3
14	Tristen Newton T. Newton	4	16	8	2.0	0.4	0.5	0.3	0.1	0.0	0.1	1.0	12.5	0.0	0.4	0.0	0.1	0.1	100.0	17.8	0.3	0.3	0.3	3	2	1	0	2	4	-5
15	Riley Minix R. Minix	4	15	4	3.8	2.3	1.0	0.3	0.3	0.0	1.0	1.8	57.1	0.3	1.0	25.0	0.0	0.0		64.3	0.3	0.8	0.0	9	1	1	0	0	1	+13
16	Paris Bass P. Bass	4	7	2	3.5	3.0	2.0	0.0	0.5	0.0	1.0	3.0	33.3	0.0	1.0	0.0	1.0	1.0	100.0	43.6	1.0	1.0	1.0	6	0	1	0	2	2	+2
17	Angel Delgado A. Delgado	4	15	2	7.5	1.5	2.0	0.0	0.5	0.0	0.5	2.5	20.0	0.0	0.0		0.5	1.0	50.0	25.5	1.0	1.0	0.0	3	0	1	0	0	2	+3
18	Martynas Andriuskevicius M. Andriuskevicius	4	9	6	1.5	0.0	0.7	0.0	0.3	0.0	0.0	0.2	0.0	0.0	0.0		0.0	0.0		0.0	0.2	0.5	0.0	0	0	2	0	0	1	+11
19	Yuta Tabuse Y. Tabuse	4	17	4	4.3	1.8	1.0	0.8	0.0	0.0	0.3	1.5	16.7	0.3	0.3	100.0	1.0	1.0	100.0	45.1	0.5	0.5	0.3	7	3	0	0	1	1	-2
20	Korleone Young K. Young	4	15	3	5.0	4.3	1.3	0.3	0.0	0.0	1.7	3.3	50.0	0.3	1.3	25.0	0.7	0.7	100.0	59.7	0.7	0.7	0.3	13	1	0	0	1	3	+9
21	Shea Seals S. Seals	4	9	4	2.3	1.0	1.0	0.0	0.3	0.0	0.3	2.0	12.5	0.0	0.8	0.0	0.5	1.0	50.0	20.5	0.8	0.3	0.0	4	0	1	0	0	1	-4
22	Ed Stokes E. Stokes	4	17	4	4.3	0.8	1.0	0.3	0.3	0.5	0.3	0.8	33.3	0.0	0.0		0.3	0.5	50.0	38.7	0.3	0.8	0.5	3	1	1	2	2	4	-17
23	Monti Davis M. Davis	4	10	2	5.0	1.5	2.0	0.0	0.0	0.5	0.5	2.5	20.0	0.0	0.0		0.5	2.5	20.0	20.8	1.0	1.0	0.0	3	0	0	1	0	0
24	Edmund Lawrence E. Lawrence	4	19	3	6.3	4.0	1.3	0.3	0.3	0.0	1.7	2.7	62.5	0.0	0.0		0.7	1.3	50.0	61.5	0.7	0.7	0.3	12	1	1	0	1	6
25	Carl Kilpatrick C. Kilpatrick	4	6	2	3.0	1.5	2.0	0.0	0.0	0.0	0.5	1.0	50.0	0.0	0.0		0.5	1.0	50.0	52.1	0.5	1.5	0.0	3	0	0	0	0	1