4 players were tied for blocking the most shots in a game in 1998-99, with 9 blocks. The first three are Alonzo Mourning on April 19, 1999 and on April 3, 1999, Theo Ratliff on March 24, 1999 and Shawn Bradley on March 2, 1999.

Interpreted as:

career high blocks by a player in a regular-season game 1999

	NAME	BLK	DATE	TM		OPP	MIN	PTS	REB	AST	STL	FGM	FGA	FG%	3PM	3PA	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF	+/-
1	Alonzo Mourning A. Mourning	9	4/19/1999	MIA	@	CLE	35	19	7	1	2	5	7	71.4	0	0	9	9	100.0	86.7	3	4	2	4	+6
2	Alonzo Mourning A. Mourning	9	4/3/1999	MIA	@	NJN	41	23	17	4	0	7	13	53.8	0	0	9	11	81.8	64.5	5	12	4	6	+3
3	Theo Ratliff T. Ratliff	9	3/24/1999	PHI	@	VAN	50	16	8	0	0	7	11	63.6	0	0	2	2	100.0	67.3	4	4	4	2	+2
4	Shawn Bradley S. Bradley	9	3/2/1999	DAL	vs	LAC	28	10	7	1	1	4	6	66.7	0	0	2	2	100.0	72.7	1	6	0	4	+24
5	Chris Webber C. Webber	9	2/7/1999	SAC	vs	VAN	37	25	15	8	3	12	16	75.0	0	0	1	2	50.0	74.1	3	12	6	4	+24
6	Dikembe Mutombo D. Mutombo	8	4/25/1999	ATL	vs	MIL	43	18	18	2	1	5	10	50.0	0	0	8	10	80.0	62.5	10	8	3	4	+20
7	David Robinson D. Robinson	8	4/5/1999	SAS	vs	GSW	38	25	16	1	1	7	17	41.2	0	0	11	20	55.0	48.4	3	13	0	2	+12
8	Shawn Bradley S. Bradley	8	3/24/1999	DAL	vs	HOU	36	20	13	0	2	8	14	57.1	0	0	4	7	57.1	58.5	7	6	3	4	-1
9	Theo Ratliff T. Ratliff	8	2/16/1999	PHI	vs	MIL	41	21	13	2	0	9	12	75.0	0	0	3	3	100.0	78.8	1	12	0	3	+4
10	Marcus Camby M. Camby	8	2/11/1999	NYK	@	CHI	28	6	6	0	0	1	3	33.3	0	0	4	8	50.0	46.0	2	4	0	2	+12
11	Dikembe Mutombo D. Mutombo	8	2/5/1999	ATL	vs	CLE	36	15	11	0	0	6	9	66.7	0	0	3	5	60.0	67.0	4	7	1	2	+24
12	Hakeem Olajuwon H. Olajuwon	7	5/5/1999	HOU	@	DEN	41	13	17	3	2	6	14	42.9	0	0	1	4	25.0	41.2	4	13	2	4	+8
13	Greg Ostertag G. Ostertag	7	4/30/1999	UTA	@	HOU	39	7	9	0	0	3	5	60.0	0	0	1	4	25.0	51.8	2	7	1	4	+16
14	Greg Ostertag G. Ostertag	7	4/29/1999	UTA	vs	GSW	33	5	6	1	1	2	6	33.3	0	0	1	2	50.0	36.3	3	3	2	3	+15
15	Horace Grant H. Grant	7	4/28/1999	ORL	vs	WAS	32	13	9	1	1	6	11	54.5	0	0	1	1	100.0	56.8	3	6	4	5	+11
16	Marcus Camby M. Camby	7	4/26/1999	NYK	@	CHA	26	6	4	2	1	3	4	75.0	0	0	0	1	0.0	67.6	1	3	1	4	-4
17	Tim Duncan T. Duncan	7	4/20/1999	SAS	@	UTA	40	36	10	1	0	15	24	62.5	0	0	6	8	75.0	65.4	3	7	3	3	+17
18	Alonzo Mourning A. Mourning	7	4/10/1999	MIA	@	CHI	32	19	6	2	2	6	9	66.7	0	0	7	10	70.0	70.9	2	4	2	3	+34
19	Theo Ratliff T. Ratliff	7	4/9/1999	PHI	@	BOS	33	16	14	0	1	6	16	37.5	0	0	4	6	66.7	42.9	5	9	1	0	+9
20	Alonzo Mourning A. Mourning	7	4/6/1999	MIA	@	TOR	35	20	13	4	0	8	14	57.1	0	0	4	5	80.0	61.7	7	6	3	2	+26
21	Tony Battie T. Battie	7	3/21/1999	BOS	vs	CHI	33	10	11	1	1	2	5	40.0	0	0	6	8	75.0	58.7	1	10	3	2	+2
22	Tim Duncan T. Duncan	7	3/20/1999	SAS	@	VAN	46	24	14	1	2	9	24	37.5	0	0	6	7	85.7	44.3	2	12	4	3	+8
23	Theo Ratliff T. Ratliff	7	3/12/1999	PHI	vs	NJN	44	23	11	1	2	9	15	60.0	0	0	5	6	83.3	65.2	1	10	4	4	+14
24	Alonzo Mourning A. Mourning	7	3/2/1999	MIA	vs	NYK	46	28	11	0	0	9	25	36.0	0	0	10	13	76.9	45.6	4	7	4	3	0
25	Patrick Ewing P. Ewing	7	2/23/1999	NYK	vs	NJN	38	20	11	3	0	8	21	38.1	0	0	4	10	40.0	39.4	4	7	5	2	+16