John Williams grabbed his most rebounds in a game on April 11, 1988, on November 18, 1987 and on November 13, 1987, with 14 rebounds.

Interpreted as:

John Williams 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	John Williams J. Williams	14	4/11/1988	WAS	@	ATL	40	13	2	2	1	4	12	33.3	0	0		5	6	83.3	44.4	5	9	1	3
2	John Williams J. Williams	14	11/18/1987	WAS	vs	CHI	36	17	1	1	1	8	16	50.0	0	0		1	3	33.3	49.1	2	12	0	3
3	John Williams J. Williams	14	11/13/1987	WAS	vs	NYK	35	8	4	1	0	2	4	50.0	0	0		4	6	66.7	60.2	3	11	1	2
4	John Williams J. Williams	13	3/25/1989	WAS	vs	IND	37	17	1	2	2	4	19	21.1	0	1	0.0	9	13	69.2	34.4	5	8	4	3
5	John Williams J. Williams	13	12/1/1988	WAS	@	ATL	41	30	3	3	3	9	20	45.0	1	1	100.0	11	11	100.0	60.4	5	8	2	2
6	John Williams J. Williams	12	4/12/1991	WAS	@	PHI	34	15	2	0	0	7	16	43.8	0	3	0.0	1	2	50.0	44.4	2	10	3	1
7	John Williams J. Williams	12	11/16/1989	WAS	@	SEA	31	23	3	2	1	10	24	41.7	0	2	0.0	3	4	75.0	44.6	5	7	3	3
8	John Williams J. Williams	12	4/2/1989	WAS	vs	GSW	27	11	1	1	1	4	18	22.2	0	0		3	4	75.0	27.8	4	8	3	2
9	John Williams J. Williams	12	2/4/1989	WAS	vs	MIL	33	15	4	0	2	5	16	31.3	0	0		5	6	83.3	40.2	6	6	2	3
10	John Williams J. Williams	12	1/2/1987	WAS	vs	ATL	33	10	4	2	0	4	12	33.3	0	0		2	2	100.0	38.8	2	10	2	4
11	John Williams J. Williams	11	4/3/1994	LAC	vs	HOU	37	10	4	1	0	5	12	41.7	0	0		0	0		41.7	3	8	3	6
12	John Williams J. Williams	11	3/1/1994	LAC	@	GSW	31	4	3	0	0	1	7	14.3	0	0		2	4	50.0	22.8	4	7	3	2
13	John Williams J. Williams	11	1/18/1993	LAC	@	MIN	29	17	3	1	0	7	9	77.8	0	0		3	4	75.0	79.0	3	8	1	2
14	John Williams J. Williams	11	11/3/1989	WAS	@	CHA	35	24	2	2	0	8	18	44.4	0	1	0.0	8	8	100.0	55.8	1	10	5	0
15	John Williams J. Williams	11	3/20/1989	WAS	@	CLE	31	14	6	2	0	7	13	53.8	0	3	0.0	0	0		53.8	1	10	1	1
16	John Williams J. Williams	11	3/12/1989	WAS	@	DET	32	15	3	0	0	6	12	50.0	0	2	0.0	3	3	100.0	56.3	4	7	1	4
17	John Williams J. Williams	11	12/17/1988	WAS	@	NYK	30	8	3	1	0	3	6	50.0	0	1	0.0	2	2	100.0	58.1	4	7	3	3
18	John Williams J. Williams	11	11/5/1988	WAS	vs	CHI	36	12	6	2	2	6	12	50.0	0	1	0.0	0	0		50.0	2	9	2	3
19	John Williams J. Williams	11	2/29/1988	WAS	@	GSW	38	12	4	0	0	6	15	40.0	0	0		0	0		40.0	0	11	3	2
20	John Williams J. Williams	10	2/23/1994	LAC	vs	POR	22	5	5	0	0	2	7	28.6	0	0		1	2	50.0	31.7	4	6	1	1
21	John Williams J. Williams	10	11/10/1992	LAC	@	SAC	29	9	3	1	1	4	9	44.4	0	0		1	2	50.0	45.5	5	5	1	2
22	John Williams J. Williams	10	4/16/1991	WAS	vs	MIL	43	22	12	1	0	7	17	41.2	0	1	0.0	8	9	88.9	52.5	3	7	2	3
23	John Williams J. Williams	10	4/14/1991	WAS	vs	MIA	42	14	4	2	0	5	15	33.3	0	2	0.0	4	4	100.0	41.8	1	9	6	3
24	John Williams J. Williams	10	12/2/1989	WAS	vs	UTA	40	17	8	0	0	7	20	35.0	0	1	0.0	3	4	75.0	39.1	2	8	3	1
25	John Williams J. Williams	10	11/21/1989	WAS	vs	MIL	33	19	4	0	1	9	16	56.3	0	0		1	4	25.0	53.5	1	9	3	1