JR Smith blocked his most shots in a game against the Nets on November 28, 2015, with 4 blocks.

Interpreted as:

JR Smith 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	JR Smith	4	11/28/2015	CLE	vs	BKN	39	6	5	1	3	3	12	25.0	0	4	0.0	0	2	0.0	23.3	0	5	2	5	0
2	JR Smith	3	3/7/2014	NYK	vs	UTA	24	17	3	1	0	6	13	46.2	5	11	45.5	0	0		65.4	0	3	0	3	+20
3	JR Smith	3	1/16/2005	NOH	@	TOR	41	15	4	6	0	6	13	46.2	3	9	33.3	0	1	0.0	55.8	0	4	0	3	+5
4	JR Smith	2	2/11/2018	CLE	@	BOS	29	15	6	1	1	6	7	85.7	3	4	75.0	0	0		107.1	0	6	1	1	+17
5	JR Smith	2	11/3/2016	CLE	vs	BOS	35	3	2	2	3	1	5	20.0	1	4	25.0	0	0		30.0	0	2	0	5	+11
6	JR Smith	2	11/14/2015	CLE	@	MIL	51	10	9	2	1	4	14	28.6	2	8	25.0	0	0		35.7	2	7	3	3	0
7	JR Smith	2	4/2/2015	CLE	vs	MIA	33	12	3	4	0	4	12	33.3	3	10	30.0	1	2	50.0	46.6	0	3	0	3	+18
8	JR Smith	2	3/4/2015	CLE	@	TOR	37	15	8	1	1	6	12	50.0	3	8	37.5	0	0		62.5	2	6	0	3	+15
9	JR Smith	2	2/22/2015	CLE	@	NYK	29	17	3	4	1	7	11	63.6	3	5	60.0	0	0		77.3	1	2	1	3	+26
10	JR Smith	2	1/28/2014	NYK	vs	BOS	34	17	1	5	0	6	14	42.9	3	5	60.0	2	5	40.0	52.5	0	1	0	2	+13
11	JR Smith	2	1/22/2014	NYK	vs	PHI	34	14	3	3	1	5	16	31.3	3	9	33.3	1	4	25.0	39.4	0	3	1	5	+6
12	JR Smith	2	12/23/2013	NYK	@	ORL	37	18	10	4	0	7	17	41.2	3	6	50.0	1	2	50.0	50.3	1	9	1	3	+11
13	JR Smith	2	12/8/2012	NYK	@	CHI	35	15	2	1	0	4	14	28.6	2	8	25.0	5	6	83.3	45.1	1	1	5	5	-14
14	JR Smith	2	12/5/2012	NYK	@	CHA	32	13	1	4	1	6	16	37.5	1	9	11.1	0	0		40.6	0	1	3	4	-4
15	JR Smith	2	2/28/2011	DEN	vs	ATL	25	19	7	3	0	6	10	60.0	2	4	50.0	5	6	83.3	75.2	0	7	1	1	+13
16	JR Smith	2	1/5/2011	DEN	@	LAC	30	9	7	4	1	2	7	28.6	1	3	33.3	4	4	100.0	51.4	0	7	0	1	+5
17	JR Smith	2	4/7/2010	DEN	@	OKC	30	10	1	1	4	4	13	30.8	0	5	0.0	2	3	66.7	34.9	0	1	1	4	0
18	JR Smith	2	2/11/2010	DEN	vs	SAS	23	14	6	1	2	4	14	28.6	0	4	0.0	6	9	66.7	39.0	2	4	1	2	-14
19	JR Smith	2	12/5/2009	DEN	@	SAS	29	17	7	1	3	6	17	35.3	1	4	25.0	4	5	80.0	44.3	0	7	4	3	+17
20	JR Smith	2	12/3/2009	DEN	vs	MIA	29	16	4	6	0	5	11	45.5	3	6	50.0	3	6	50.0	58.7	1	3	3	3	+14
21	JR Smith	2	1/27/2009	DEN	@	MEM	37	20	5	2	2	5	12	41.7	3	7	42.9	7	8	87.5	64.4	0	5	2	4	+27
22	JR Smith	2	12/13/2008	DEN	vs	GSW	24	15	5	3	1	6	15	40.0	2	6	33.3	1	2	50.0	47.2	0	5	0	2	+9
23	JR Smith	2	3/16/2008	DEN	vs	SEA	21	19	2	5	2	7	15	46.7	4	10	40.0	1	1	100.0	61.5	1	1	2	2	+13
24	JR Smith	2	2/9/2005	NOH	@	POR	35	19	1	3	1	8	19	42.1	1	6	16.7	2	2	100.0	47.8	1	0	2	2	+9
25	JR Smith	1	11/13/2018	CLE	vs	CHA	39	13	3	5	1	5	13	38.5	3	7	42.9	0	0		50.0	0	3	1	1	+26