Ralph Sampson blocked his most shots in a game against the Bulls on December 9, 1983, with 13 blocks.

Interpreted as:

Ralph Sampson 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	Ralph Sampson R. Sampson	13	12/9/1983	HOU	@	CHI	49	28	18	5	0	11	18	61.1	0	0		6	9	66.7	63.8	6	12	6	4
2	Ralph Sampson R. Sampson	8	1/24/1984	HOU	vs	GSW	29	23	15	2	3	10	16	62.5	0	0		3	6	50.0	61.7	1	14	3	4
3	Ralph Sampson R. Sampson	7	12/11/1986	HOU	vs	GSW	43	13	11	7	1	6	10	60.0	0	0		1	4	25.0	55.3	4	7	4	6
4	Ralph Sampson R. Sampson	7	12/22/1984	HOU	vs	DEN	32	24	13	1	3	8	12	66.7	0	0		8	8	100.0	77.3	2	11	8	4
5	Ralph Sampson R. Sampson	6	1/30/1986	HOU	@	SAC	42	23	10	5	4	10	17	58.8	0	0		3	3	100.0	62.8	3	7	6	4
6	Ralph Sampson R. Sampson	6	11/8/1984	HOU	vs	SEA	27	16	5	2	0	7	13	53.8	0	0		2	3	66.7	55.9	0	5	3	5
7	Ralph Sampson R. Sampson	6	2/25/1984	HOU	vs	GSW	32	25	6	1	0	11	18	61.1	0	0		3	7	42.9	59.3	2	4	4	5
8	Ralph Sampson R. Sampson	5	2/15/1988	GSW	@	SAS	35	22	7	3	1	9	16	56.3	0	0		4	4	100.0	61.9	0	7	4	4
9	Ralph Sampson R. Sampson	5	2/13/1988	GSW	vs	SEA	37	10	8	4	0	3	6	50.0	0	0		4	4	100.0	64.4	1	7	3	4
10	Ralph Sampson R. Sampson	5	1/22/1988	GSW	@	WAS	35	18	8	3	2	9	17	52.9	0	0		0	2	0.0	50.3	4	4	3	3
11	Ralph Sampson R. Sampson	5	11/14/1987	HOU	vs	UTA	41	18	11	0	1	5	19	26.3	0	0		8	9	88.9	39.2	5	6	2	4
12	Ralph Sampson R. Sampson	5	12/13/1986	HOU	vs	SAC	41	20	14	6	2	8	16	50.0	0	0		4	7	57.1	52.4	4	10	6	5
13	Ralph Sampson R. Sampson	5	2/20/1986	HOU	vs	MIL	30	24	7	0	1	9	21	42.9	0	1	0.0	6	7	85.7	49.8	4	3	2	6
14	Ralph Sampson R. Sampson	5	12/17/1985	HOU	@	CLE	43	12	14	5	1	5	14	35.7	0	0		2	3	66.7	39.2	5	9	4	4
15	Ralph Sampson R. Sampson	5	2/26/1985	HOU	@	LAL	41	20	6	0	0	9	19	47.4	0	0		2	4	50.0	48.2	1	5	4	5
16	Ralph Sampson R. Sampson	5	1/2/1985	HOU	@	DEN	46	29	13	2	0	14	26	53.8	0	0		1	1	100.0	54.8	5	8	8	4
17	Ralph Sampson R. Sampson	5	12/29/1984	HOU	vs	POR	44	31	10	3	2	14	23	60.9	0	0		3	4	75.0	62.6	4	6	1	1
18	Ralph Sampson R. Sampson	5	3/31/1984	HOU	vs	POR	28	19	10	2	0	8	16	50.0	0	1	0.0	3	4	75.0	53.5	2	8	2	2
19	Ralph Sampson R. Sampson	5	3/20/1984	HOU	vs	KCK	35	19	12	0	1	9	17	52.9	0	0		1	4	25.0	50.6	4	8	3	3
20	Ralph Sampson R. Sampson	5	3/13/1984	HOU	vs	SDC	23	13	9	2	2	5	13	38.5	0	0		3	4	75.0	44.0	4	5	3	5
21	Ralph Sampson R. Sampson	5	1/3/1984	HOU	vs	DAL	42	27	7	0	1	10	20	50.0	0	1	0.0	7	7	100.0	58.5	3	4	5	3
22	Ralph Sampson R. Sampson	5	12/7/1983	HOU	@	MIL	46	23	15	5	1	10	21	47.6	0	0		3	5	60.0	49.6	6	9	2	5
23	Ralph Sampson R. Sampson	4	11/4/1989	SAC	vs	SEA	20	0	4	2	1	0	2	0.0	0	0		0	0		0.0	0	4	2	1
24	Ralph Sampson R. Sampson	4	3/1/1989	GSW	@	LAL	20	12	6	1	0	5	7	71.4	0	0		2	4	50.0	68.5	2	4	3	4
25	Ralph Sampson R. Sampson	4	12/6/1988	GSW	vs	UTA	31	17	11	3	0	6	9	66.7	0	0		5	6	83.3	73.0	6	5	4	6