Paul Pierce got his most steals in a game against the Heat on December 3, 1999, with 9 steals.

Interpreted as:

Paul Pierce most steals in a regular-season game

	NAME	STL	DATE	TM		OPP	MIN	PTS	REB	AST	BLK	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF	+/-
1	Paul Pierce P. Pierce	9	12/3/1999	BOS	vs	MIA	38	26	5	4	1	9	22	40.9	2	6	33.3	6	8	75.0	50.9	1	4	1	2	+18
2	Paul Pierce P. Pierce	7	4/12/2002	BOS	vs	NYK	40	20	6	8	2	5	12	41.7	2	5	40.0	8	10	80.0	61.0	0	6	3	0	+32
3	Paul Pierce P. Pierce	7	2/17/1999	BOS	@	VAN	49	26	7	3	0	9	21	42.9	1	4	25.0	7	10	70.0	51.2	3	4	4	5	+11
4	Paul Pierce P. Pierce	6	2/1/2014	BKN	@	IND	33	15	5	2	1	3	9	33.3	2	6	33.3	7	7	100.0	62.1	0	5	2	4	+3
5	Paul Pierce P. Pierce	6	1/8/2010	BOS	@	ATL	41	21	5	0	0	8	16	50.0	2	5	40.0	3	6	50.0	56.3	1	4	4	1	-8
6	Paul Pierce P. Pierce	6	2/10/2006	BOS	vs	POR	34	35	1	4	0	13	20	65.0	3	6	50.0	6	8	75.0	74.4	0	1	4	2	+32
7	Paul Pierce P. Pierce	6	12/11/2001	BOS	@	NYK	49	18	4	4	2	8	23	34.8	1	3	33.3	1	2	50.0	37.7	2	2	3	5	+5
8	Paul Pierce P. Pierce	6	1/8/2001	BOS	vs	POR	40	25	5	6	1	10	22	45.5	1	7	14.3	4	5	80.0	51.7	1	4	4	3	-13
9	Paul Pierce P. Pierce	5	12/22/2009	BOS	vs	IND	40	21	6	1	0	4	15	26.7	1	2	50.0	12	13	92.3	50.7	1	5	2	2	+8
10	Paul Pierce P. Pierce	5	11/7/2007	BOS	vs	DEN	30	26	5	5	0	10	15	66.7	1	3	33.3	5	7	71.4	71.9	1	4	2	2	+26
11	Paul Pierce P. Pierce	5	12/4/2005	BOS	@	NYK	44	28	9	7	0	8	15	53.3	1	2	50.0	11	15	73.3	64.8	0	9	2	1	+11
12	Paul Pierce P. Pierce	5	3/18/2005	BOS	@	HOU	39	12	1	7	1	3	9	33.3	0	2	0.0	6	7	85.7	49.7	0	1	4	2	+9
13	Paul Pierce P. Pierce	5	2/4/2005	BOS	vs	ORL	37	18	4	3	0	5	16	31.3	1	4	25.0	7	7	100.0	47.2	0	4	4	2	+8
14	Paul Pierce P. Pierce	5	3/5/2004	BOS	vs	WAS	44	24	10	8	1	7	23	30.4	0	5	0.0	10	12	83.3	42.4	0	10	2	3	+9
15	Paul Pierce P. Pierce	5	12/1/2002	BOS	vs	NOH	44	30	7	3	0	8	24	33.3	1	6	16.7	13	17	76.5	47.6	3	4	8	3	+9
16	Paul Pierce P. Pierce	5	2/23/2002	BOS	@	HOU	42	30	4	4	1	10	20	50.0	6	9	66.7	4	4	100.0	68.9	0	4	4	1	-10
17	Paul Pierce P. Pierce	5	2/19/2002	BOS	@	LAL	43	33	8	2	2	7	19	36.8	3	7	42.9	16	20	80.0	59.4	3	5	5	2	+3
18	Paul Pierce P. Pierce	5	1/4/2002	BOS	vs	MIA	41	20	5	3	1	5	19	26.3	2	7	28.6	8	8	100.0	44.4	0	5	0	2	-17
19	Paul Pierce P. Pierce	5	11/2/2001	BOS	vs	CHI	39	16	6	0	1	5	12	41.7	0	2	0.0	6	10	60.0	48.8	1	5	2	5	+11
20	Paul Pierce P. Pierce	5	11/26/2000	BOS	vs	VAN	41	27	5	4	3	10	24	41.7	0	4	0.0	7	12	58.3	46.1	0	5	6	2	-6
21	Paul Pierce P. Pierce	5	3/17/2000	BOS	@	ATL	33	16	4	3	2	7	15	46.7	1	4	25.0	1	1	100.0	51.8	1	3	2	2	+27
22	Paul Pierce P. Pierce	5	3/10/2000	BOS	vs	CHI	30	15	5	2	0	5	11	45.5	0	1	0.0	5	7	71.4	53.3	2	3	1	2	+24
23	Paul Pierce P. Pierce	5	3/5/2000	BOS	vs	ORL	42	19	4	7	0	7	22	31.8	1	5	20.0	4	5	80.0	39.3	2	2	3	6	+15
24	Paul Pierce P. Pierce	5	1/17/2000	BOS	@	WAS	32	34	3	2	0	12	16	75.0	0	1	0.0	10	10	100.0	83.3	1	2	1	5	+20
25	Paul Pierce P. Pierce	5	12/8/1999	BOS	vs	DEN	27	15	3	8	2	5	10	50.0	1	2	50.0	4	4	100.0	63.8	0	3	2	3	+20