what players have the most blocks before the age of 30

Hakeem Olajuwon has blocked the most career shots by a player younger than 30, with 2,243 blocks.

	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	Hakeem Olajuwon H. Olajuwon	2,243	630	36.8	23.0	12.5	2.2	1.9	3.6	9.1	17.7	51.4	0.0	0.1	5.9	4.8	6.9	69.8	55.5	4.2	8.4	3.1	23,176	14,481	7,898	1,409	1,223	1,954	2,497
2	Manute Bol M. Bol	1,943	547	19.5	2.7	4.4	0.3	0.2	3.6	1.1	2.7	40.7	0.1	0.3	18.2	0.4	0.7	55.7	44.0	1.0	3.4	0.7	10,646	1,450	2,424	152	110	394	1,347
3	Shawn Bradley S. Bradley	1,803	598	26.8	9.6	7.3	0.8	0.7	3.0	3.9	8.6	45.1	0.0	0.1	11.1	1.8	2.6	70.2	49.2	2.4	4.9	1.6	16,016	5,743	4,371	480	404	939	2,014	+219
4	Shaquille O'Neal S. O'Neal	1,744	654	37.8	27.6	12.3	2.8	0.7	2.7	11.0	19.1	57.7	0.0	0.0	5.0	5.6	10.5	53.1	58.2	4.0	8.3	2.9	24,727	18,060	8,057	1,856	476	1,888	2,225	+2725
5	Dwight Howard D. Howard	1,739	824	35.6	18.1	12.7	1.5	1.0	2.1	6.4	11.1	57.9	0.0	0.1	10.4	5.2	9.0	57.3	59.8	3.5	9.2	3.1	29,310	14,876	10,504	1,250	810	2,540	2,724	+2945
6	David Robinson D. Robinson	1,735	475	38.3	25.7	11.7	3.1	1.7	3.7	9.1	17.3	52.7	0.0	0.2	25.3	7.4	9.9	74.4	59.2	3.4	8.3	3.0	18,187	12,209	5,563	1,471	823	1,436	1,439
7	Josh Smith J. Smith	1,691	855	33.2	14.9	7.7	3.2	1.2	2.0	5.8	12.9	45.5	0.5	1.7	28.5	2.7	4.3	63.3	50.6	2.0	5.7	2.5	28,403	12,767	6,541	2,730	1,057	2,148	2,381	-194
8	Tim Duncan T. Duncan	1,650	666	37.9	22.1	12.0	3.1	0.8	2.5	8.4	16.7	50.5	0.0	0.2	20.4	5.2	7.5	68.5	55.1	3.2	8.8	2.9	25,240	14,689	8,020	2,092	529	1,928	1,833	+4841
9	Serge Ibaka S. Ibaka	1,626	753	28.7	12.3	7.3	0.7	0.4	2.2	5.1	10.0	51.4	0.6	1.7	35.7	1.5	1.9	76.1	57.0	2.2	5.1	1.3	21,625	9,298	5,492	545	323	980	2,126	+2365
10	Patrick Ewing P. Ewing	1,606	520	36.2	23.6	9.9	2.1	1.2	3.1	9.4	17.6	53.0	0.0	0.1	5.4	4.9	6.7	74.1	57.4	2.7	7.2	3.3	18,838	12,293	5,141	1,101	610	1,729	1,971
11	Alonzo Mourning A. Mourning	1,560	501	35.8	21.1	10.1	1.5	0.6	3.1	7.5	14.2	52.4	0.0	0.2	25.3	6.2	8.7	71.1	58.5	3.0	7.1	3.2	17,945	10,589	5,063	733	321	1,623	1,841	+1347
12	Anthony Davis A. Davis	1,503	646	34.3	24.0	10.3	2.4	1.3	2.3	9.0	17.3	51.8	0.5	1.6	30.1	5.6	7.0	79.5	58.8	2.6	7.8	2.0	22,175	15,485	6,684	1,521	867	1,276	1,532	+637
13	Dikembe Mutombo D. Mutombo	1,486	391	36.9	12.9	12.3	1.7	0.6	3.8	4.7	8.9	52.3	0.0	0.0	0.0	3.6	5.5	65.0	56.9	3.9	8.4	2.6	14,411	5,054	4,811	651	223	1,016	1,361
14	Kevin Garnett K. Garnett	1,450	851	38.2	20.4	11.2	4.5	1.4	1.7	8.2	16.5	49.3	0.2	0.6	29.7	3.9	5.0	77.3	54.3	2.8	8.4	2.6	32,540	17,337	9,567	3,833	1,193	2,182	2,171	+2444
15	Benoit Benjamin B. Benjamin	1,436	646	28.5	12.1	7.9	1.5	0.7	2.2	4.7	9.5	49.5	0.0	0.0	5.6	2.8	3.8	72.0	54.4	1.9	6.0	2.5	18,398	7,842	5,094	964	458	1,588	1,910
16	Myles Turner M. Turner	1,412	642	28.7	14.1	6.8	1.3	0.7	2.2	5.2	10.4	49.9	1.2	3.3	36.2	2.5	3.2	77.1	59.4	1.4	5.4	1.4	18,454	9,031	4,349	813	441	909	1,881	+691
17	Jermaine O'Neal J. O'Neal	1,398	725	28.2	14.3	7.7	1.5	0.5	1.9	5.5	11.9	45.9	0.0	0.1	15.4	3.3	4.7	70.5	51.1	2.1	5.6	2.0	20,433	10,397	5,584	1,066	373	1,430	2,100	+865
18	Andrei Kirilenko A. Kirilenko	1,369	667	30.9	12.4	5.7	2.8	1.4	2.1	4.1	8.7	47.0	0.5	1.6	31.2	3.7	4.9	76.4	57.1	1.8	3.8	2.0	20,600	8,241	3,788	1,872	943	1,316	1,434	+1576
19	Rudy Gobert R. Gobert	1,357	611	30.0	12.4	11.7	1.3	0.7	2.2	4.6	7.0	65.3	0.0	0.0	0.0	3.3	5.1	63.8	67.1	3.3	8.3	1.6	18,300	7,592	7,119	807	412	1,008	1,579	+2730
20	Mark Eaton M. Eaton	1,343	283	31.0	7.9	9.0	1.4	0.4	4.7	3.1	7.0	44.7	0.0	0.0	0.0	1.6	2.5	64.4	48.6			1.9	8,774	2,230	2,551	390	119	531	1,029
21	Elton Brand E. Brand	1,334	643	38.0	20.0	10.1	2.6	0.9	2.1	7.7	15.2	50.3	0.0	0.0	15.4	4.7	6.4	73.6	55.5	3.9	6.3	2.5	24,420	12,852	6,520	1,674	592	1,617	1,993	-1177
22	DeAndre Jordan D. Jordan	1,276	750	28.1	9.4	10.7	0.7	0.6	1.7	3.8	5.7	67.3	0.0	0.0	9.1	1.8	4.1	44.6	63.3	3.2	7.4	1.3	21,045	7,078	7,988	557	448	982	2,015	+1719
23	Theo Ratliff T. Ratliff	1,262	474	27.1	8.8	6.3	0.6	0.5	2.7	3.3	6.6	49.9	0.0	0.0	0.0	2.2	3.0	72.8	55.4	2.1	4.2	1.5	12,866	4,178	2,978	281	259	698	1,426	+386
24	Samuel Dalembert S. Dalembert	1,247	662	26.1	8.1	8.3	0.5	0.5	1.9	3.3	6.4	52.0	0.0	0.0	0.0	1.4	2.1	69.6	55.3	2.7	5.6	1.5	17,276	5,354	5,501	344	328	1,009	2,069	-555
25	Ben Wallace B. Wallace	1,243	542	29.7	6.1	10.4	1.1	1.3	2.3	2.5	5.3	48.4	0.0	0.0	14.3	1.0	2.4	41.7	48.3	3.2	7.3	1.0	16,115	3,309	5,654	601	683	547	1,127	+1014