averaged the most rebounds per game with 20 or fewer minutes played in a season that played at least 50 games in that season since 1985

Since 1984-85, Ed Davis has the most rebounds per game with 50+ games played and 20 or fewer minutes played in a season, with 7.4 per game in 2018-19.

Interpreted as:

averaged the most rebounds per game by a player with 20 or fewer minutes played in a season that played at least 50 games in that season since 1985

	NAME	RPG	MIN	GP	SEASON	TM	MPG	PPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	PTS	REB	AST	STL	BLK	TOV	PF	+/-
1	Ed Davis E. Davis	7.4	894	57	2018-19	BKN	15.7	4.9	0.6	0.4	0.4	2.0	3.2	60.5	0.0	0.0	0.0	1.0	1.6	64.4	62.8	2.3	5.0	0.7	282	420	33	22	20	39	153	-47
2	Dwight Howard D. Howard	7.3	731	51	2020-21	PHI	14.3	5.8	0.9	0.4	0.8	2.1	3.5	59.8	0.0	0.2	25.0	1.6	2.7	58.0	61.7	2.5	4.8	1.5	296	373	44	21	40	77	142	-58
3	Andre Drummond A. Drummond	7.1	860	61	2023-24	CHI	14.1	6.9	0.5	0.9	0.4	2.7	5.0	53.3	0.0	0.0	0.0	1.5	2.5	61.4	56.3	2.7	4.4	0.8	418	433	31	52	23	48	94	+5
4	Hassan Whiteside H. Whiteside	6.6	770	51	2021-22	UTA	15.1	7.5	0.3	0.3	1.5	3.0	4.5	65.1	0.0	0.0		1.5	2.4	64.2	66.6	2.5	4.1	0.8	381	338	16	14	75	39	128	+136
5	Andre Drummond A. Drummond	6.3	764	63	2022-23	CHI	12.1	5.4	0.5	0.6	0.4	2.2	3.8	59.2	0.0	0.0	0.0	1.0	1.8	53.1	59.4	1.9	4.4	1.1	342	396	29	38	26	70	108	0
6	JaVale McGee J. McGee	6.1	869	61	2021-22	PHX	14.3	8.5	0.5	0.3	1.0	3.6	5.7	63.8	0.0	0.1	0.0	1.3	1.9	69.0	65.6	2.0	4.1	1.4	518	371	28	17	64	83	142	+72
7	Jonas Valančiūnas J. Valančiūnas	5.9	750	50	2024-25	TOT	15.0	7.5	1.4	0.3	0.4	3.1	5.8	52.9	0.1	0.3	25.0	1.3	1.6	83.8	58.1	1.8	4.1	1.1	377	297	71	13	21	53	102	-209
8	Day'Ron Sharpe D. Sharpe	5.8	711	52	2023-24	BKN	13.7	6.6	1.2	0.4	0.6	2.7	4.6	57.7	0.1	0.2	36.4	1.2	1.9	62.0	60.4	2.5	3.3	1.1	342	299	64	20	30	57	103	+56
9	Chris Kaman C. Kaman	5.7	846	51	2014-15	POR	16.6	8.0	0.8	0.1	0.6	3.5	6.8	51.1	0.0	0.0		1.0	1.4	70.8	53.6	1.7	4.0	1.5	407	289	40	7	33	74	82	-78
10	Derrick Favors D. Favors	5.4	971	65	2020-21	UTA	14.9	5.3	0.6	0.5	1.0	2.2	3.4	64.3	0.0	0.0	0.0	0.9	1.2	74.7	66.9	2.0	3.4	0.5	344	352	38	30	63	33	135	+14
11	Kevon Looney K. Looney	5.4	782	60	2024-25	GSW	13.0	3.9	1.2	0.5	0.4	1.7	3.3	50.3	0.0	0.1	50.0	0.6	1.1	53.1	51.9	2.1	3.2	0.5	236	321	69	32	22	27	115	+76
12	Jalen Smith J. Smith	5.3	853	60	2024-25	CHI	14.2	8.1	1.0	0.3	0.6	3.0	6.2	48.1	1.2	3.4	34.0	1.0	1.2	82.4	60.3	1.3	4.0	0.6	488	316	57	16	34	33	85	-38
13	Dewayne Dedmon D. Dedmon	5.2	775	56	2021-22	MIA	13.8	5.7	0.5	0.3	0.6	2.1	3.8	56.4	0.2	0.6	31.3	1.3	1.6	76.1	63.2	1.4	3.8	1.0	318	291	27	16	33	58	142	+7
14	JaVale McGee J. McGee	5.1	789	53	2019-20	LAL	14.9	5.9	0.4	0.5	1.1	2.5	4.1	62.5	0.0	0.1	40.0	0.8	1.2	67.2	64.4	1.7	3.4	0.7	313	272	23	25	58	36	119	+91
15	Dewayne Dedmon D. Dedmon	5.1	701	50	2016-17	SAS	14.0	4.0	0.5	0.4	0.5	1.6	3.0	55.4	0.0	0.0		0.7	1.0	66.7	58.1	1.4	3.7	0.7	198	254	26	22	27	34	111	+31
16	Kelvin Cato K. Cato	5.0	776	55	2002-03	HOU	14.1	3.5	0.3	0.5	0.9	1.4	2.8	50.7	0.0	0.0	0.0	0.7	1.3	55.6	52.8	1.7	3.3	0.7	194	274	14	25	50	37	122	-63
17	Kosta Koufos K. Koufos	4.9	983	66	2014-15	MEM	14.9	4.7	0.4	0.4	0.8	2.1	4.0	52.3	0.0	0.0		0.6	0.9	64.9	54.2	1.3	3.6	0.9	311	324	28	25	51	58	115	+88
18	Jayson Williams J. Williams	4.8	695	63	1994-95	NJN	11.0	3.9	0.4	0.3	0.4	1.7	3.7	44.8	0.0	0.1	0.0	0.6	1.3	46.3	45.9	2.0	2.8	0.7	246	302	25	18	26	47	121
19	Larry Smith L. Smith	4.8	724	51	1989-90	HOU	14.2	2.4	0.6	0.6	0.3	1.1	2.4	46.3	0.0	0.0	0.0	0.2	0.5	29.6	45.2	1.9	2.9	0.7	120	243	29	30	14	38	112
20	Mason Plumlee M. Plumlee	4.7	807	51	2019-20	DEN	15.8	6.3	2.2	0.4	0.6	2.6	4.3	59.3	0.0	0.1	0.0	1.1	2.2	50.4	58.9	1.4	3.3	1.2	319	242	112	20	30	63	112	-101
21	Mo Bamba M. Bamba	4.7	793	58	2019-20	ORL	13.7	5.0	0.6	0.3	1.3	2.0	4.4	45.5	0.5	1.7	30.9	0.5	0.7	66.7	53.0	1.6	3.1	0.6	292	275	37	20	76	36	106	+10
22	Kevon Looney K. Looney	4.6	679	54	2023-24	GSW	12.6	3.9	1.4	0.2	0.4	1.6	2.7	57.8	0.0	0.0	0.0	0.7	1.1	66.7	60.4	1.6	3.0	0.6	208	248	73	13	19	30	100	-2
23	DeJuan Blair D. Blair	4.5	697	51	2009-10	SAS	13.7	6.1	0.5	0.4	0.3	2.6	4.7	55.9	0.0	0.0	0.0	0.9	1.7	52.9	56.5	1.7	2.8	1.2	311	232	27	20	17	62	134	-73
24	Tarik Black T. Black	4.5	749	53	2016-17	LAL	14.1	5.0	0.5	0.4	0.5	1.9	4.0	46.9	0.0	0.0	0.0	1.2	1.6	75.9	53.0	2.1	2.5	0.9	264	241	25	19	29	46	136	-164
25	Luis Scola L. Scola	4.5	1,082	68	2013-14	IND	15.9	7.0	0.9	0.3	0.2	2.9	6.3	46.2	0.0	0.1	14.3	1.2	1.6	70.5	49.8	1.0	3.6	1.3	478	309	59	21	15	88	133	-45