John Block grabbed his most boards in a game against the Seattle SuperSonics on October 21, 1967, with 23 rebounds.

Interpreted as:

John Block 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 Block J. Block	23	10/21/1967	SDR	vs	SEA		26	1			9	23	39.1	8	10	80.0	47.4			4
2	John Block J. Block	22	12/5/1969	SDR	@	SFW	38	17	2			7	23	30.4	3	4	75.0	34.3			3
3	John Block J. Block	21	10/28/1972	PHI	vs	MIL	40	15	3			4	21	19.0	7	9	77.8	30.0			2
4	John Block J. Block	19	2/15/1970	SDR	vs	CIN		28	1			12	23	52.2	4	4	100.0	56.5			3
5	John Block J. Block	19	1/13/1968	SDR	@	CIN		30	1			9	21	42.9	12	12	100.0	57.1			4
6	John Block J. Block	18	11/25/1967	SDR	@	STL	38	16	1			7	14	50.0	2	2	100.0	53.8			4
7	John Block J. Block	17	12/1/1972	PHI	vs	BOS	35	12	5			5	17	29.4	2	5	40.0	31.3			4
8	John Block J. Block	17	12/25/1967	SDR	vs	LAL		20				7			6	7	85.7				3
9	John Block J. Block	17	11/1/1967	SDR		SEA		31	6			10	17	58.8	11	14	78.6	66.9			4
10	John Block J. Block	16	12/6/1974	CHI	vs	MIL	33	22	1	2	1	9	15	60.0	4	5	80.0	64.0	5	11	5
11	John Block J. Block	16	1/12/1973	PHI		CLE	58	31	0			10	23	43.5	11	13	84.6	54.0			4
12	John Block J. Block	16	1/4/1969	SDR	vs	SEA		23	1			9	22	40.9	5	5	100.0	47.5			2
13	John Block J. Block	16	11/22/1968	SDR	vs	SEA	35	13	1			6	15	40.0	1	3	33.3	39.8			1
14	John Block J. Block	16	1/3/1968	SDR	vs	STL	40	32	1			12	22	54.5	8	10	80.0	60.6			6
15	John Block J. Block	16	12/28/1967	SDR	@	SEA	38	25	2			4	13	30.8	17	21	81.0	56.2			4
16	John Block J. Block	15	11/8/1972	PHI	@	KCO		35	1			13	20	65.0	9	11	81.8	70.5			5
17	John Block J. Block	15	1/25/1970	SDR	@	PHI	34	25	1			7	17	41.2	11	15	73.3	53.0			3
18	John Block J. Block	15	3/24/1969	SDR		BOS		19	3			7	16	43.8	5	8	62.5	48.7			5
19	John Block J. Block	15	2/25/1969	SDR	@	MIL		25	5			8	17	47.1	9	13	69.2	55.0			2
20	John Block J. Block	15	11/8/1967	SDR	vs	PHI	27	24	2			10	28	35.7	4	4	100.0	40.3			2
21	John Block J. Block	15	10/25/1967	SDR	vs	BAL	39	23	2			9	20	45.0	5	7	71.4	49.8			3
22	John Block J. Block	15	10/14/1967	SDR	vs	STL	44	21	1			9	21	42.9	3	4	75.0	46.1			4
23	John Block J. Block	14	11/22/1974	CHI	@	SEA	42	24	2	2	0	9	19	47.4	6	8	75.0	53.3	6	8	5
24	John Block J. Block	14	11/11/1972	PHI		HOU		31				11			9	9	100.0
25	John Block J. Block	14	3/13/1971	SDR	vs	BAL	37	30	5			11	20	55.0	8	11	72.7	60.4			5