Josh Smith has rejected the most career shots by a player 23 or younger, with 948 blocks.

Interpreted as:

most blocks by a player by age 23 or less

	NAME	BLK	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	TOV	PF	+/-
1	Josh Smith J. Smith	948	395	33.3	14.1	7.4	2.7	1.2	2.4	5.3	11.6	45.8	0.3	1.2	26.8	3.1	4.6	67.6	51.6	2.1	5.3	2.5	13,163	5,560	2,939	1,066	470	968	1,165	-634
2	Dwight Howard D. Howard	850	427	35.8	17.3	12.5	1.4	0.9	2.0	6.1	10.7	57.1	0.0	0.0	7.1	5.1	8.5	59.9	59.9	3.6	8.9	3.0	15,275	7,397	5,349	610	383	1,266	1,376	+1185
3	Shaquille O'Neal S. O'Neal	790	275	37.9	27.2	12.6	2.4	0.8	2.9	10.9	18.6	58.4	0.0	0.0	9.1	5.5	10.0	54.6	59.1	4.2	8.4	3.0	10,424	7,481	3,475	656	228	828	982
4	Serge Ibaka S. Ibaka	778	301	26.0	9.7	7.1	0.3	0.4	2.6	4.1	7.5	55.2	0.1	0.2	34.9	1.4	1.9	71.3	58.3	2.5	4.5	1.1	7,817	2,927	2,134	103	117	343	853	+838
5	Anthony Davis A. Davis	766	321	34.2	22.1	10.0	1.8	1.3	2.4	8.4	16.3	51.2	0.2	0.7	29.0	5.1	6.5	78.5	57.5	2.5	7.5	1.8	10,990	7,093	3,226	565	416	571	789	-257
6	Myles Turner M. Turner	695	335	28.3	12.7	6.7	1.2	0.7	2.1	4.9	10.0	48.8	0.8	2.1	35.4	2.2	2.9	76.8	56.5	1.4	5.2	1.3	9,491	4,255	2,229	410	239	436	939	+327
7	Kevin Garnett K. Garnett	653	367	36.9	17.7	9.1	3.6	1.4	1.8	7.4	15.1	48.9	0.1	0.4	31.9	2.7	3.7	74.0	52.8	2.7	6.5	2.4	13,533	6,496	3,350	1,332	528	880	969	+666
8	Shawn Bradley S. Bradley	645	194	28.8	10.4	7.6	1.0	0.7	3.3	4.2	9.6	43.8	0.0	0.0	11.1	2.0	3.1	64.4	47.5	2.6	5.0	2.2	5,585	2,012	1,473	198	140	434	726
9	Benoit Benjamin B. Benjamin	643	227	30.0	12.0	8.0	1.8	0.8	2.8	4.6	9.6	48.0	0.0	0.1	7.1	2.8	3.9	71.6	53.1	1.9	6.1	2.6	6,807	2,720	1,806	408	178	596	776
10	Andrei Kirilenko A. Kirilenko	639	265	30.4	13.2	6.1	2.1	1.6	2.4	4.3	9.2	46.3	0.5	1.7	31.1	4.1	5.3	78.3	57.2	2.2	3.9	1.9	8,043	3,491	1,609	555	420	514	579	+671
11	Andre Drummond A. Drummond	580	385	29.7	13.3	12.8	0.7	1.2	1.5	5.8	10.5	54.8	0.0	0.0	26.3	1.8	4.7	38.1	53.0	4.6	8.2	1.5	11,438	5,120	4,945	277	476	594	1,184	-486
12	Bismack Biyombo B. Biyombo	576	366	21.2	4.6	6.5	0.3	0.3	1.6	1.7	3.4	50.7	0.0	0.0	0.0	1.2	2.1	55.9	53.5	2.1	4.4	0.9	7,765	1,693	2,378	115	92	316	829	-823
13	Jaren Jackson Jr. J. Jackson Jr.	558	267	27.4	16.4	5.5	1.1	0.9	2.1	5.8	12.5	46.6	1.7	4.7	35.2	3.2	4.0	79.0	57.8	1.4	4.1	1.7	7,308	4,391	1,476	300	242	449	993	+457
14	Elton Brand E. Brand	553	288	38.4	19.3	10.7	2.5	1.0	1.9	7.4	14.9	49.5	0.0	0.0	0.0	4.5	6.4	70.9	54.4	4.4	6.3	2.6	11,052	5,545	3,074	719	275	762	933	-1282
15	Jermaine O'Neal J. O'Neal	547	364	21.4	8.9	6.0	0.7	0.3	1.5	3.5	7.4	47.3	0.0	0.1	4.2	1.9	3.0	62.1	50.9	1.9	4.1	1.3	7,784	3,229	2,202	272	126	478	864	+139
16	Giannis Antetokounmpo G. Antetokounmpo	545	415	32.8	17.7	7.8	3.9	1.2	1.3	6.5	12.7	51.1	0.4	1.6	27.0	4.3	5.8	74.1	58.1	1.6	6.2	2.5	13,606	7,345	3,230	1,629	500	1,056	1,230	+84
17	Hakeem Olajuwon H. Olajuwon	542	181	35.9	22.2	11.7	1.8	1.6	3.0	8.7	16.4	53.0	0.0	0.0	0.0	4.8	7.5	64.2	56.4	5.0	6.7	2.9	6,495	4,015	2,126	323	298	526	737
18	Tracy McGrady T. McGrady	528	420	32.6	20.3	6.5	3.9	1.3	1.3	7.5	16.5	45.3	0.9	2.5	36.1	4.5	6.0	74.8	53.1	2.1	4.4	2.1	13,700	8,542	2,713	1,637	550	888	836	+482
19	Andrew Bynum A. Bynum	512	332	24.3	10.5	7.1	1.1	0.3	1.5	4.2	7.3	56.9	0.0	0.0	0.0	2.2	3.1	68.6	60.2	2.3	4.8	1.4	8,063	3,474	2,367	376	100	458	893	+794
20	Eddie Griffin E. Griffin	511	290	22.9	7.4	5.9	0.8	0.4	1.8	2.9	7.7	37.9	0.8	2.6	31.6	0.8	1.1	66.9	45.2	1.7	4.2	0.8	6,637	2,153	1,719	232	105	221	498	-36
21	Tim Duncan T. Duncan	497	206	39.0	22.0	12.0	2.8	0.8	2.4	8.5	16.6	51.3	0.0	0.1	7.1	5.0	7.0	71.0	56.0	3.4	8.6	3.2	8,042	4,531	2,466	579	166	667	611	+1275
22	Karl-Anthony Towns K. Towns	495	332	34.4	22.3	11.9	2.6	0.8	1.5	8.5	15.9	53.5	1.3	3.3	39.3	4.1	4.9	83.2	61.9	3.2	8.7	2.5	11,414	7,419	3,939	877	258	817	1,094	+303
23	Derrick Favors D. Favors	494	367	25.0	10.9	7.2	1.0	0.7	1.3	4.3	8.4	51.2	0.0	0.0	8.3	2.2	3.4	66.0	54.8	2.5	4.7	1.5	9,179	3,987	2,627	360	269	559	1,084	-537
24	Tyson Chandler T. Chandler	487	340	24.4	7.1	7.7	0.9	0.6	1.4	2.5	4.8	51.1	0.0	0.0	0.0	2.1	3.4	61.5	55.5	2.6	5.1	1.5	8,308	2,397	2,616	299	192	513	1,052	-469
25	Shawn Kemp S. Kemp	483	313	26.3	13.7	8.4	1.4	1.1	1.5	5.1	10.3	49.9	0.0	0.1	12.5	3.4	4.8	71.1	55.3	3.2	5.2	2.3	8,240	4,288	2,621	441	329	712	1,146