Bill Willoughby got his most boards in a game against the 76ers on April 10, 1976, with 18 boards.

Interpreted as:

Bill Willoughby most 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	Bill Willoughby B. Willoughby	18	4/10/1976	ATL	vs	PHI	42	20	4	2	3	7	14	50.0				6	11	54.5	53.1				2
2	Bill Willoughby B. Willoughby	12	4/11/1976	ATL	vs	HOU	39	8	1			4	14	28.6				0	0		28.6				2
3	Bill Willoughby B. Willoughby	12	4/5/1976	ATL	vs	WAS	43	14	0			6	15	40.0				2	2	100.0	44.1				3
4	Bill Willoughby B. Willoughby	12	12/18/1975	ATL	vs	LAL	24	13	1	0		6	8	75.0				1	2	50.0	73.2				0
5	Bill Willoughby B. Willoughby	11	1/16/1982	HOU	vs	SAS	34	17	1	0	3	7	12	58.3	0	0		3	4	75.0	61.8			2	2
6	Bill Willoughby B. Willoughby	11	3/18/1981	HOU	@	GSW	31	14	1	1	2	7	10	70.0	0	0		0	0		70.0	3	8	3	4
7	Bill Willoughby B. Willoughby	11	2/4/1981	HOU	vs	DAL	30	21	1	0	4	9	12	75.0	0	0		3	6	50.0	71.7			1	1
8	Bill Willoughby B. Willoughby	11	11/29/1980	HOU	vs	DAL	20	8	3		0	4	7	57.1	0	0		0	0		57.1			1	1
9	Bill Willoughby B. Willoughby	11	3/15/1980	CLE	vs	SAS	28	11	0	1	3	4	11	36.4	0	0		3	5	60.0	41.7	5	6	1	2
10	Bill Willoughby B. Willoughby	11	12/18/1976	ATL	vs	BOS	26	5	1			1	11	9.1				3	4	75.0	19.6				3
11	Bill Willoughby B. Willoughby	11	2/7/1976	ATL	vs	WAS	16	8	0			2	5	40.0				4	5	80.0	55.6				3
12	Bill Willoughby B. Willoughby	10	4/8/1984	NJN	vs	CLE	21	12	0	1	0	4	7	57.1	0	0		4	4	100.0	68.5	3	7	2	3
13	Bill Willoughby B. Willoughby	10	3/11/1981	HOU	vs	GSW	33	3	1	0	0	1	4	25.0	0			1	2	50.0	30.7			6	2
14	Bill Willoughby B. Willoughby	10	12/3/1980	HOU	vs	CLE	29	12	2		1	5	7	71.4	0			2	2	100.0	76.1				0
15	Bill Willoughby B. Willoughby	10	1/29/1980	CLE	vs	LAL	30	16	0	1	3	6	12	50.0	0	0		4	5	80.0	56.3	7	3	1	2
16	Bill Willoughby B. Willoughby	10	1/19/1980	CLE	@	PHI	31	17	1	0	1	6	10	60.0	0	0		5	5	100.0	69.7	5	5	1	3
17	Bill Willoughby B. Willoughby	10	3/28/1978	BUF	vs	DET	44	14	2			6	14	42.9				2	2	100.0	47.0				1
18	Bill Willoughby B. Willoughby	10	12/19/1976	ATL	@	MIL	29	16	1	0	3	7	15	46.7				2	7	28.6	44.2				5
19	Bill Willoughby B. Willoughby	10	12/11/1976	ATL	@	CLE	26	16	0	0	1	7	10	70.0				2	3	66.7	70.7	3	7		4
20	Bill Willoughby B. Willoughby	10	2/29/1976	ATL	@	POR	21	10	1	0	1	4	10	40.0				2	2	100.0	46.0	5	5		5
21	Bill Willoughby B. Willoughby	9	2/14/1984	NJN	@	CLE	27	15	1	1	1	6	11	54.5	0	1	0.0	3	4	75.0	58.8	4	5	0	3
22	Bill Willoughby B. Willoughby	9	12/29/1982	SAS	vs	SDC	25	14	1	1	0	7	10	70.0	0	0		0	0		70.0	2	7	1	5
23	Bill Willoughby B. Willoughby	9	3/18/1982	HOU	@	ATL	31	10	3	2	1	5	10	50.0	0			0	0		50.0			2	6
24	Bill Willoughby B. Willoughby	9	12/12/1981	HOU	vs	DAL	40	15	0	0	1	6	11	54.5	0	0		3	6	50.0	55.0			0	5
25	Bill Willoughby B. Willoughby	9	2/19/1981	HOU	@	SDC	24	9	1	0	1	3	8	37.5	0	0		3	4	75.0	46.1			5	0