John Williams denied his most shots in a game against the Cavaliers on January 29, 1989, with 4 blocks.

Interpreted as:

John Williams most blocks in a regular-season game

	NAME	BLK	DATE	TM		OPP	MIN	PTS	REB	AST	STL	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF
1	John Williams J. Williams	4	1/29/1989	WAS	vs	CLE	38	14	10	4	0	4	9	44.4	0	0		6	6	100.0	60.1	2	8	4	5
2	John Williams J. Williams	3	3/13/1989	WAS	vs	SEA	38	13	8	7	4	4	12	33.3	0	1	0.0	5	6	83.3	44.4	3	5	6	3
3	John Williams J. Williams	3	2/9/1989	WAS	vs	NJN	26	8	6	5	3	4	8	50.0	0	0		0	0		50.0	0	6	4	2
4	John Williams J. Williams	3	1/16/1989	WAS	vs	ATL	24	4	5	2	1	2	11	18.2	0	1	0.0	0	0		18.2	1	4	0	3
5	John Williams J. Williams	3	12/1/1988	WAS	@	ATL	41	30	13	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	3	3/30/1988	WAS	vs	CLE	39	18	5	5	2	7	14	50.0	0	1	0.0	4	6	66.7	54.1	3	2	1	3
7	John Williams J. Williams	3	1/7/1987	WAS	@	NJN	31	15	5	2	2	4	10	40.0	0	0		7	8	87.5	55.5	3	2	4	2
8	John Williams J. Williams	3	12/13/1986	WAS	vs	BOS	19	17	3	1	1	7	9	77.8	0	0		3	3	100.0	82.4	2	1	4	3
9	John Williams J. Williams	2	3/22/1994	LAC	@	NJN	20	2	2	2	0	1	1	100.0	0	0		0	0		100.0	0	2	0	4
10	John Williams J. Williams	2	2/25/1994	LAC	vs	SAC	17	2	2	4	0	1	5	20.0	0	1	0.0	0	0		20.0	1	1	0	3
11	John Williams J. Williams	2	2/12/1993	LAC	vs	POR	39	3	5	2	3	1	6	16.7	0	1	0.0	1	2	50.0	21.8	0	5	2	2
12	John Williams J. Williams	2	4/19/1991	WAS	@	ORL	44	17	3	6	1	5	19	26.3	1	4	25.0	6	8	75.0	37.7	0	3	3	5
13	John Williams J. Williams	2	11/19/1989	WAS	@	LAL	40	24	8	8	0	10	21	47.6	0	2	0.0	4	5	80.0	51.7	3	5	1	1
14	John Williams J. Williams	2	11/13/1989	WAS	@	UTA	26	7	2	3	2	2	6	33.3	0	0		3	4	75.0	45.1	0	2	2	2
15	John Williams J. Williams	2	3/28/1989	WAS	@	SAS	28	20	7	5	1	8	16	50.0	0	3	0.0	4	5	80.0	54.9	2	5	6	4
16	John Williams J. Williams	2	3/25/1989	WAS	vs	IND	37	17	13	1	2	4	19	21.1	0	1	0.0	9	13	69.2	34.4	5	8	4	3
17	John Williams J. Williams	2	3/18/1989	WAS	vs	PHI	30	22	7	5	2	8	15	53.3	1	1	100.0	5	5	100.0	64.0	2	5	0	0
18	John Williams J. Williams	2	3/5/1989	WAS	vs	CHA	29	3	7	4	4	1	4	25.0	0	0		1	2	50.0	30.7	2	5	2	2
19	John Williams J. Williams	2	3/4/1989	WAS	vs	DAL	26	17	7	3	2	7	12	58.3	1	4	25.0	2	2	100.0	66.0	1	6	1	2
20	John Williams J. Williams	2	2/24/1989	WAS	vs	NYK	33	23	5	6	3	9	16	56.3	0	0		5	5	100.0	63.2	2	3	2	1
21	John Williams J. Williams	2	2/4/1989	WAS	vs	MIL	33	15	12	4	0	5	16	31.3	0	0		5	6	83.3	40.2	6	6	2	3
22	John Williams J. Williams	2	2/1/1989	WAS	@	PHI	31	6	10	2	3	3	8	37.5	0	2	0.0	0	1	0.0	35.5	5	5	0	3
23	John Williams J. Williams	2	1/27/1989	WAS	@	CHI	30	18	10	3	2	7	15	46.7	1	1	100.0	3	3	100.0	55.1	1	9	1	5
24	John Williams J. Williams	2	1/12/1989	WAS	vs	MIA	19	3	4	3	0	1	5	20.0	0	0		1	2	50.0	25.5	1	3	6	2
25	John Williams J. Williams	2	1/10/1989	WAS	vs	DEN	29	25	10	5	3	11	21	52.4	0	1	0.0	3	4	75.0	54.9	3	7	0	4