most blocks plus steals in a game by a player younger than 21

Nerlens Noel has the most blocks + steals by a player younger than 21 in a game, with 13 versus the Pacers on February 20, 2015.

Interpreted as:

most blocks plus steals in a regular-season game by a player younger than 21 years old

	NAME	BLK+STL	AGE	BLK	STL	DATE	TM		OPP	MIN	PTS	REB	AST	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF	+/-
1	Nerlens Noel N. Noel	13	20-316	9	4	2/20/2015	PHI	vs	IND	33	12	9	0	5	9	55.6	0	0		2	4	50.0	55.8	5	4	1	3	-3
2	Victor Wembanyama V. Wembanyama	12	20-305	9	3	11/4/2024	SAS	@	LAC	34	24	13	3	9	22	40.9	2	9	22.2	4	4	100.0	50.5	2	11	2	3	-21
3	Victor Wembanyama V. Wembanyama	12	20-039	10	2	2/12/2024	SAS	@	TOR	29	27	14	5	10	14	71.4	2	4	50.0	5	6	83.3	81.1	2	12	7	2	+20
4	Anthony Davis A. Davis	12	20-236	6	6	11/2/2013	NOP	vs	CHA	37	25	8	4	9	13	69.2	0	0		7	8	87.5	75.7	3	5	2	3	+22
5	Anthony Davis A. Davis	11	20-250	9	2	11/16/2013	NOP	vs	PHI	29	13	9	1	5	10	50.0	0	0		3	5	60.0	53.3	1	8	1	2	+31
6	Shaquille O'Neal S. O'Neal	11	20-345	9	2	2/14/1993	ORL	vs	NYK	47	21	19	0	8	25	32.0	0	0		5	10	50.0	35.7	9	10	4	5
7	Victor Wembanyama V. Wembanyama	10	20-352	10	0	12/21/2024	SAS	vs	POR	30	30	7	3	8	16	50.0	4	8	50.0	10	11	90.9	72.0	3	4	1	0	+23
8	Victor Wembanyama V. Wembanyama	10	20-301	5	5	10/31/2024	SAS	@	UTA	34	25	9	7	9	20	45.0	4	13	30.8	3	3	100.0	58.6	2	7	3	3	+43
9	Victor Wembanyama V. Wembanyama	10	20-089	9	1	4/2/2024	SAS	@	DEN	34	23	15	8	9	29	31.0	2	11	18.2	3	6	50.0	36.3	5	10	2	3	-9
10	Victor Wembanyama V. Wembanyama	10	20-050	5	5	2/23/2024	SAS	@	LAL	31	27	10	8	7	16	43.8	3	8	37.5	10	11	90.9	64.8	1	9	2	3	0
11	Victor Wembanyama V. Wembanyama	10	20-049	5	5	2/22/2024	SAS	@	SAC	31	19	13	4	8	21	38.1	1	6	16.7	2	3	66.7	42.6	5	8	1	1	0
12	Victor Wembanyama V. Wembanyama	10	19-326	4	6	11/26/2023	SAS	@	DEN	25	22	11	2	7	17	41.2	2	5	40.0	6	7	85.7	54.8	4	7	3	4	-10
13	Nerlens Noel N. Noel	10	20-295	6	4	1/30/2015	PHI	vs	MIN	31	14	6	3	7	8	87.5	0	0		0	0		87.5	3	3	1	4	+6
14	Anthony Randolph A. Randolph	10	20-161	8	2	12/23/2009	GSW	@	NOH	36	12	8	2	5	14	35.7	0	0		2	2	100.0	40.3	3	5	1	4	+4
15	Josh Smith J. Smith	10	19-013	10	0	12/18/2004	ATL	@	DAL	34	9	7	4	4	11	36.4	0	0		1	2	50.0	37.9	2	5	3	0	-9
16	Tracy McGrady T. McGrady	10	20-295	6	4	3/14/2000	TOR	vs	GSW	36	20	7	4	4	11	36.4	0	1	0.0	12	18	66.7	52.9	2	5	0	1	+2
17	Elton Brand E. Brand	10	20-293	8	2	12/29/1999	CHI	vs	DET	42	17	10	3	6	12	50.0	0	0		5	10	50.0	51.8	3	7	5	2	-4
18	Kevin Garnett K. Garnett	10	20-229	8	2	1/3/1997	MIN	@	BOS	45	16	6	3	8	12	66.7	0	0		0	0		66.7	0	6	6	1	+18
19	Kevin Garnett K. Garnett	10	19-334	6	4	4/17/1996	MIN	vs	GSW	42	18	9	6	7	10	70.0	0	0		4	8	50.0	66.6	3	6	3	2
20	Shaquille O'Neal S. O'Neal	10	20-318	8	2	1/18/1993	ORL	@	PHI	48	38	16	3	16	24	66.7	0	0		6	7	85.7	70.2	8	8	9	5
21	Victor Wembanyama V. Wembanyama	9	19-343	6	3	12/13/2023	SAS	vs	LAL	33	30	13	2	11	21	52.4	4	5	80.0	4	7	57.1	62.3	4	9	5	6	-5
22	Victor Wembanyama V. Wembanyama	9	19-318	8	1	11/18/2023	SAS	vs	MEM	31	19	13	4	6	17	35.3	2	6	33.3	5	6	83.3	48.4	4	9	2	5	-6
23	Mitchell Robinson M. Robinson	9	20-331	6	3	2/26/2019	NYK	vs	ORL	33	17	14	0	6	9	66.7	0	0		5	6	83.3	73.0	8	6	0	3	+5
24	Mitchell Robinson M. Robinson	9	20-224	9	0	11/11/2018	NYK	vs	ORL	22	4	4	0	2	3	66.7	0	0		0	0		66.7	0	4	0	2	-7
25	Jayson Tatum J. Tatum	9	19-309	6	3	1/6/2018	BOS	@	BKN	32	14	6	0	6	15	40.0	2	2	100.0	0	0		46.7	2	4	1	2	+10