celtics most blocks by a player in a playoff game after 1984

Since 1984-85, Robert Williams III has denied the most shots for the Celtics in a playoff game, with 9 blocks in Game 1 of the 2021 First Round against the Nets.

	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	Robert Williams III R. Williams III	9	5/22/2021	BOS	@	BKN	23	11	9	1	1	5	8	62.5	0	0		1	2	50.0	61.9	5	4	0	2	+5
2	Luke Kornet L. Kornet	7	5/14/2025	BOS	vs	NYK	26	10	9	1	1	5	5	100.0	0	0		0	0		100.0	2	7	0	4	+20
3	Kendrick Perkins K. Perkins	7	4/28/2009	BOS	vs	CHI	48	16	19	2	1	7	13	53.8	0	0		2	4	50.0	54.2	3	16	2	0	-2
4	Kevin McHale K. McHale	6	4/20/1986	BOS	vs	CHI	51	27	15	4	0	10	22	45.5	0	0		7	8	87.5	52.9	4	11	4	4
5	Al Horford A. Horford	5	4/27/2025	BOS	@	ORL	35	6	6	2	0	2	7	28.6	0	3	0.0	2	2	100.0	38.1	2	4	1	0	+2
6	Al Horford A. Horford	5	5/7/2023	BOS	@	PHI	38	10	7	4	2	3	9	33.3	2	7	28.6	2	2	100.0	50.6	2	5	0	3	0
7	Al Horford A. Horford	5	4/25/2023	BOS	vs	ATL	33	3	6	5	1	1	5	20.0	1	3	33.3	0	0		30.0	1	5	1	2	+1
8	Robert Williams III R. Williams III	5	6/16/2022	BOS	vs	GSW	33	10	7	2	0	4	8	50.0	0	0		2	2	100.0	56.3	5	2	2	2	-1
9	Kevin Garnett K. Garnett	5	6/3/2012	BOS	vs	MIA	43	17	14	3	2	8	20	40.0	0	1	0.0	1	1	100.0	41.6	3	11	5	3	+7
10	Kevin Garnett K. Garnett	5	5/10/2012	BOS	vs	ATL	39	28	14	2	3	10	19	52.6	0	0		8	10	80.0	59.8	4	10	1	1	+9
11	Kendrick Perkins K. Perkins	5	5/10/2009	BOS	@	ORL	40	12	13	2	1	5	7	71.4	0	0		2	2	100.0	76.1	3	10	1	3	+5
12	Kendrick Perkins K. Perkins	5	5/4/2008	BOS	vs	ATL	27	10	10	0	0	4	8	50.0	0	0		2	2	100.0	56.3	2	8	0	3	+31
13	Paul Pierce P. Pierce	5	4/30/2005	BOS	@	IND	40	30	7	8	1	10	15	66.7	1	2	50.0	9	11	81.8	75.6	0	7	1	2	+32
14	Tony Battie T. Battie	5	5/21/2002	BOS	@	NJN	26	8	12	0	0	4	9	44.4	0	0		0	2	0.0	40.5	7	5	1	4	+13
15	Kevin McHale K. McHale	5	4/29/1988	BOS	vs	NYK	45	29	10	3	1	13	20	65.0	0	0		3	3	100.0	68.0	5	5	1	3
16	Robert Parish R. Parish	5	4/26/1987	BOS	vs	CHI	31	14	10	1	2	6	12	50.0	0	0		2	2	100.0	54.3	4	6	0	4
17	Kevin McHale K. McHale	5	5/17/1986	BOS	@	MIL	43	29	11	2	0	12	21	57.1	0	0		5	7	71.4	60.2	5	6	3	5
18	Kevin McHale K. McHale	5	5/13/1986	BOS	vs	MIL	28	17	5	1	1	8	11	72.7	0	0		1	1	100.0	74.3	0	5	2	4
19	Kevin McHale K. McHale	5	5/18/1985	BOS	@	PHI	42	14	9	2	2	5	6	83.3	0	0		4	5	80.0	85.4	3	6	6	3
20	Kevin McHale K. McHale	5	5/14/1985	BOS	vs	PHI	44	22	11	3	1	8	14	57.1	0	0		6	6	100.0	66.1	3	8	1	1
21	Kevin McHale K. McHale	5	4/20/1985	BOS	vs	CLE	47	19	7	1	3	9	14	64.3	0	0		1	2	50.0	63.8	5	2	4	3
22	Derrick White D. White	4	5/25/2024	BOS	@	IND	35	13	5	7	0	3	11	27.3	2	8	25.0	5	6	83.3	47.7	1	4	0	4	+4
23	Jayson Tatum J. Tatum	4	5/7/2023	BOS	@	PHI	47	24	18	6	1	9	20	45.0	1	6	16.7	5	7	71.4	52.0	4	14	2	3	+2
24	Robert Williams III R. Williams III	4	6/8/2022	BOS	vs	GSW	26	8	10	0	3	4	5	80.0	0	0		0	0		80.0	3	7	0	3	+21
25	Robert Williams III R. Williams III	4	6/2/2022	BOS	@	GSW	24	8	6	0	1	4	4	100.0	0	0		0	0		100.0	2	4	2	1	-1