Dan Issel had his most boards in a game versus the Spurs on January 24, 1981, with 21 boards.

Interpreted as:

Dan Issel career high 21 rebounds in a regular-season game

	NAME	REB	DATE	TM		OPP	MIN	PTS	AST	STL	BLK	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF
1	Dan Issel D. Issel	21	1/24/1981	DEN	vs	SAS	34	32	2	3	1	13	23	56.5	0	0		6	8	75.0	60.3	12	9	1	2
2	Dan Issel D. Issel	19	1/10/1978	DEN	vs	NOJ	44	28	6	2	1	10	24	41.7				8	9	88.9	50.1	5	14	4	5
3	Dan Issel D. Issel	18	1/30/1980	DEN	@	PHX	41	26	2	0	2	11	25	44.0	0	0		4	7	57.1	46.3	8	10	1	4
4	Dan Issel D. Issel	18	1/17/1978	DEN	vs	CLE	36	23	3	1	0	9	19	47.4				5	5	100.0	54.2	4	14	3	1
5	Dan Issel D. Issel	18	1/24/1977	DEN	vs	BUF	38	32	2	2	1	11	20	55.0				10	14	71.4	61.2	2	16		3
6	Dan Issel D. Issel	17	11/24/1979	DEN	vs	PHX	37	26	0	3	3	9	16	56.3	1	1	100.0	7	9	77.8	65.1	5	12	2	1
7	Dan Issel D. Issel	17	11/18/1978	DEN	@	WAS	40	12	6	0	2	3	14	21.4				6	7	85.7	35.1	5	12	0	2
8	Dan Issel D. Issel	17	12/5/1976	DEN	@	NOJ	32	29	5			12	17	70.6				5	7	71.4	72.2				1
9	Dan Issel D. Issel	16	3/2/1982	DEN	vs	IND	38	29	1	1	0	11	18	61.1	0	0		7	8	87.5	67.4	1	15	4	3
10	Dan Issel D. Issel	16	2/6/1981	DEN	@	UTA	39	37	2	0	0	11	21	52.4	0	0		15	20	75.0	62.1	5	11	1	2
11	Dan Issel D. Issel	16	12/5/1979	DEN	vs	MIL	38	36	4	0	0	12	23	52.2	0	0		12	15	80.0	60.8	7	9	3	1
12	Dan Issel D. Issel	16	3/14/1979	DEN	vs	NJN	30	24	0	1	2	8	14	57.1				8	8	100.0	68.5	4	12	2	3
13	Dan Issel D. Issel	16	1/12/1979	DEN	vs	NYK	33	21	4	3	0	8	14	57.1				5	5	100.0	64.8	6	10	3	1
14	Dan Issel D. Issel	16	1/19/1978	DEN	@	MIL	39	12	4	1	0	5	13	38.5				2	5	40.0	39.5	6	10	4	4
15	Dan Issel D. Issel	16	12/26/1977	DEN	vs	PHX	33	24	2	0	0	10	19	52.6				4	5	80.0	56.6	8	8	4	4
16	Dan Issel D. Issel	16	12/16/1977	DEN	vs	WAS	37	18	4	1	0	7	16	43.8				4	5	80.0	49.5	4	12	2	6
17	Dan Issel D. Issel	16	10/19/1977	DEN	vs	MIL	37	21	8	0	0	7	15	46.7				7	9	77.8	55.4	6	10	4	1
18	Dan Issel D. Issel	15	11/29/1983	DEN	@	ATL	33	23	4	1	1	10	15	66.7	0	0		3	3	100.0	70.5	1	14	0	1
19	Dan Issel D. Issel	15	12/28/1982	DEN	vs	IND	40	29	2	0	0	9	18	50.0	0	0		11	12	91.7	62.3	2	13	2	3
20	Dan Issel D. Issel	15	2/27/1982	DEN	vs	PHI	33	11	2	2	2	3	12	25.0	0	0		5	6	83.3	37.6	6	9	2	4
21	Dan Issel D. Issel	15	12/11/1979	DEN	vs	SAS	41	14	2	0	2	5	12	41.7	0	0		4	5	80.0	49.3	2	13	5	1
22	Dan Issel D. Issel	15	4/5/1979	DEN	@	NYK	36	28	2	1	0	11	17	64.7				6	11	54.5	64.1	3	12	2	3
23	Dan Issel D. Issel	15	2/7/1979	DEN	vs	CLE	38	25	3	0	1	9	15	60.0				7	8	87.5	67.5	4	11	1	2
24	Dan Issel D. Issel	15	3/17/1978	DEN	@	NJN	45	29	3	0	2	11	25	44.0				7	9	77.8	50.1	2	13	4	4
25	Dan Issel D. Issel	15	2/10/1978	DEN	@	SEA	45	21	8			8	15	53.3				5	10	50.0	54.1	7	8		5