most blocks plus steals by a player younger than 21 years old

Josh Smith has the most career blocks + steals by a player younger than 21, with 523.

	NAME	BLK+STL	BLK	STL	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	TOV	PF	+/-
1	Josh Smith J. Smith	523	381	142	169	30.5	10.6	6.6	2.1	0.8	2.3	3.9	9.1	43.2	0.3	1.1	27.1	2.5	3.5	70.3	49.8	2.1	4.5	2.0	5,159	1,799	1,110	363	338	467	-697
2	LeBron James L. James	487	135	352	186	41.0	25.0	6.4	6.4	1.9	0.7	9.1	20.1	45.4	1.1	3.5	33.0	5.6	7.4	75.5	53.4	1.2	5.2	3.4	7,629	4,649	1,187	1,193	626	361	+165
3	Kevin Garnett K. Garnett	485	294	191	157	33.7	13.7	7.1	2.4	1.2	1.9	5.8	11.7	49.6	0.1	0.3	28.6	2.0	2.7	73.6	53.1	2.3	4.8	1.8	5,288	2,144	1,119	381	285	388	+116
4	Victor Wembanyama V. Wembanyama	484	366	118	100	30.6	22.7	10.5	3.9	1.2	3.7	8.2	17.4	47.2	2.3	6.6	34.0	4.0	5.0	81.6	58.0	2.2	8.4	3.6	3,060	2,273	1,053	386	363	215	-10
5	Tracy McGrady T. McGrady	469	278	191	192	24.7	11.1	5.5	2.5	1.0	1.4	4.2	9.4	44.8	0.2	0.7	28.4	2.4	3.4	71.2	50.7	2.2	3.3	1.6	4,747	2,122	1,048	474	306	381	-262
6	Dwight Howard D. Howard	444	292	152	184	34.9	14.2	11.5	1.3	0.8	1.6	5.1	9.5	53.5	0.0	0.0	0.0	4.0	6.4	62.9	57.6	3.5	7.9	2.4	6,415	2,619	2,109	233	449	562	-106
7	Anthony Davis A. Davis	425	272	153	119	31.9	16.8	9.1	1.2	1.3	2.3	6.5	12.6	51.9	0.0	0.1	15.4	3.7	4.9	76.2	57.0	2.9	6.2	1.5	3,802	2,001	1,084	148	184	330	-242
8	Andre Drummond A. Drummond	386	226	160	141	27.4	11.1	10.8	0.5	1.1	1.6	4.9	7.9	61.8	0.0	0.0	25.0	1.4	3.5	40.2	59.3	4.3	6.5	1.2	3,862	1,571	1,528	65	167	417	-284
9	Darius Miles D. Miles	350	228	122	163	26.7	9.4	5.7	1.7	0.7	1.4	3.8	7.8	49.3	0.0	0.2	10.5	1.7	3.0	57.2	51.7	1.4	4.3	1.9	4,360	1,540	930	283	307	375	+36
10	Myles Turner M. Turner	322	232	90	130	27.2	12.6	6.4	1.0	0.7	1.8	5.0	9.9	50.4	0.3	0.9	32.8	2.3	3.0	77.7	56.2	1.4	5.0	1.2	3,534	1,638	833	132	159	388	+27
11	Giannis Antetokounmpo G. Antetokounmpo	320	169	151	178	28.6	10.5	5.7	2.3	0.8	0.9	3.8	8.1	47.1	0.3	1.1	29.7	2.6	3.6	73.7	54.7	1.1	4.5	1.9	5,095	1,874	1,006	410	342	502	-254
12	Chris Bosh C. Bosh	316	194	122	141	34.8	13.7	8.0	1.4	0.9	1.4	5.0	10.6	46.5	0.0	0.1	33.3	3.7	5.2	72.2	53.0	2.5	5.5	1.8	4,901	1,930	1,124	203	254	401	-140
13	Eddie Griffin E. Griffin	314	245	69	150	25.2	8.7	5.8	0.9	0.5	1.6	3.4	9.0	38.3	1.0	3.1	33.1	0.8	1.2	67.8	45.9	1.7	4.1	0.8	3,786	1,306	877	139	123	253	-10
14	Kobe Bryant K. Bryant	308	113	195	200	25.3	13.8	3.2	2.4	1.0	0.6	4.6	10.6	43.9	0.8	2.3	33.5	3.7	4.6	81.3	54.7	0.9	2.3	2.1	5,055	2,755	638	480	426	435	+416
15	Bismack Biyombo B. Biyombo	306	258	48	143	25.5	5.0	6.6	0.4	0.3	1.8	2.0	4.4	45.7	0.0	0.0		1.0	2.0	50.2	47.6	2.1	4.5	1.1	3,641	713	950	62	153	340	-833
16	Kevin Durant K. Durant	302	128	174	154	36.7	22.7	5.4	2.6	1.1	0.8	8.1	17.9	45.3	1.0	2.8	35.9	5.5	6.3	86.7	54.9	1.0	4.4	3.0	5,653	3,495	830	397	457	256	-1152
17	Maurice Harkless M. Harkless	297	112	185	156	25.1	7.8	3.8	0.8	1.2	0.7	3.1	6.7	46.2	0.6	1.7	33.6	1.0	1.7	58.3	52.2	1.2	2.6	1.0	3,923	1,217	599	130	155	284	-774
18	Andris Biedrins A. Biedrins	296	199	97	172	21.0	6.5	6.5	0.7	0.6	1.2	2.9	4.8	60.8	0.0	0.0	0.0	0.7	1.6	46.0	59.7	2.4	4.1	0.9	3,606	1,122	1,122	120	159	551	+131
19	Jarrett Allen J. Allen	279	208	71	152	23.3	9.6	7.0	1.0	0.5	1.4	3.7	6.3	59.0	0.1	0.4	18.3	2.0	2.8	73.2	63.4	2.2	4.8	1.2	3,537	1,460	1,060	159	185	331	-264
20	Nerlens Noel N. Noel	275	142	133	75	30.8	9.9	8.1	1.7	1.8	1.9	4.0	8.7	46.2	0.0	0.0		1.9	3.1	60.9	49.3	2.5	5.7	1.9	2,311	744	611	128	146	208	-430
21	Anthony Edwards A. Edwards	269	82	187	144	33.2	20.3	4.7	3.4	1.3	0.6	7.3	17.1	42.9	2.7	7.8	34.4	3.0	3.8	78.1	54.2	0.8	3.9	2.4	4,780	2,925	679	486	350	293	-40
22	Alperen Şengün A. Şengün	267	138	129	147	24.9	12.3	7.3	3.2	0.9	0.9	4.7	9.0	52.2	0.3	1.2	27.6	2.5	3.5	71.3	58.0	2.6	4.7	2.3	3,660	1,801	1,071	476	338	472	-592
23	Jaren Jackson Jr. J. Jackson Jr.	266	174	92	115	27.3	15.5	4.6	1.2	0.8	1.5	5.7	11.7	48.5	1.7	4.4	38.4	2.5	3.3	75.7	59.2	1.1	3.5	1.7	3,137	1,788	534	142	197	452	-207
24	Tyson Chandler T. Chandler	264	199	65	146	22.0	7.7	5.9	0.9	0.4	1.4	2.8	5.4	51.8	0.0	0.0		2.1	3.5	60.6	55.6	1.9	3.9	1.6	3,216	1,127	857	130	234	399	-513
25	Jayson Tatum J. Tatum	260	108	152	143	30.8	14.9	5.6	1.7	1.1	0.8	5.4	11.7	46.5	1.4	3.5	40.2	2.7	3.2	84.3	57.1	0.8	4.8	1.5	4,407	2,132	797	244	212	307	+673