John Warren grabbed his most boards in a game against the San Francisco Warriors on March 16, 1971, with 12 boards.

Interpreted as:

John Warren most rebounds in a regular-season game

	NAME	REB	DATE	TM		OPP	MIN	PTS	AST	STL	BLK	FGM	FGA	FG%	FTM	FTA	FT%	TS%	OREB	DREB	PF
1	John Warren J. Warren	12	3/16/1971	CLE	vs	SFW	45	12	6			4	12	33.3	4	4	100.0	43.6			4
2	John Warren J. Warren	11	10/22/1970	CLE	@	SDR	44	23	0			11	17	64.7	1	1	100.0	65.9			4
3	John Warren J. Warren	10	12/9/1970	CLE	vs	POR	42	15	4			5	14	35.7	5	5	100.0	46.3			4
4	John Warren J. Warren	9	12/7/1973	CLE	vs	CHI	20	10	3	2	0	5	9	55.6	0	0		55.6	2	7	1
5	John Warren J. Warren	9	1/16/1972	CLE		CIN	41	24	6			11	20	55.0	2	4	50.0	55.1			5
6	John Warren J. Warren	9	3/12/1971	CLE	vs	ATL	43	20	9			9	18	50.0	2	2	100.0	53.0			2
7	John Warren J. Warren	9	2/19/1971	CLE	vs	CIN	44	16	9			7	23	30.4	2	3	66.7	32.9			4
8	John Warren J. Warren	9	2/3/1971	CLE	vs	SEA	25	8	3			3	8	37.5	2	2	100.0	45.0			4
9	John Warren J. Warren	9	1/9/1971	CLE	vs	BUF	35	12	13			5	11	45.5	2	3	66.7	48.7			4
10	John Warren J. Warren	8	12/14/1971	CLE	@	BAL	39	14	1			5	11	45.5	4	4	100.0	54.9			3
11	John Warren J. Warren	8	3/23/1971	CLE	vs	POR	39	14	6			7	18	38.9	0	0		38.9			4
12	John Warren J. Warren	8	1/29/1971	CLE	@	ATL	39	24	2			9	19	47.4	6	7	85.7	54.3			6
13	John Warren J. Warren	7	3/1/1972	CLE	@	BOS	15	10	3			3	9	33.3	4	5	80.0	44.6			4
14	John Warren J. Warren	7	3/17/1971	CLE	@	BAL	47	20	6			9	18	50.0	2	3	66.7	51.8			5
15	John Warren J. Warren	7	3/7/1971	CLE	@	DET	43	19	6			8	19	42.1	3	4	75.0	45.8			5
16	John Warren J. Warren	7	2/21/1971	CLE	@	POR	28	14	3			6	16	37.5	2	2	100.0	41.5			6
17	John Warren J. Warren	7	1/16/1971	CLE	@	PHI	33	7	4			1	7	14.3	5	5	100.0	38.0			4
18	John Warren J. Warren	7	12/19/1970	CLE	vs	BUF	46	18	5			7	14	50.0	4	4	100.0	57.1			6
19	John Warren J. Warren	6	12/5/1973	CLE	@	PHI	19	4	1	0		2	4	50.0	0	0		50.0	1	5	1
20	John Warren J. Warren	6	12/17/1971	CLE	vs	BOS	48	18	9			9	17	52.9	0	0		52.9			1
21	John Warren J. Warren	6	3/20/1971	CLE	vs	DET	40	11	12			4	11	36.4	3	3	100.0	44.6			4
22	John Warren J. Warren	6	12/16/1970	CLE	vs	NYK	41	9	7			4	10	40.0	1	1	100.0	43.1			6
23	John Warren J. Warren	6	12/15/1970	CLE	@	NYK	39	8	2			3	10	30.0	2	3	66.7	35.3			3
24	John Warren J. Warren	6	12/12/1970	CLE	@	CIN	35	12	3			5	13	38.5	2	2	100.0	43.2			6
25	John Warren J. Warren	6	12/4/1970	CLE	vs	BOS	33	10	4			5	13	38.5	0	0		38.5			3