Tim Duncan and Robert Parish were tied for playing the most seasons with 50+ blocks, with 19 seasons.

Interpreted as:

Who has had the most 50 or more block seasons?

	NAME	SEAS	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	Tim Duncan T. Duncan	19	3,020	1,392	34.0	19.0	10.8	3.0	0.7	2.2	7.4	14.6	50.6	0.0	0.1	17.9	4.2	6.1	69.6	55.1	2.8	8.1	2.4	47,368	26,496	15,091	4,225	1,025	3,381	3,304	+8910
2	Robert Parish R. Parish	19	2,306	1,487	29.6	15.3	9.6	1.4	0.8	1.6	6.3	11.7	53.9	0.0	0.0	0.0	2.7	3.7	72.2	57.4	3.0	6.6	2.2	43,946	22,784	14,276	2,114	1,186	3,089	4,271
3	Kevin Garnett K. Garnett	18	1,970	1,323	36.1	19.1	10.5	3.9	1.3	1.5	7.7	15.4	49.8	0.1	0.5	27.9	3.6	4.6	79.0	54.9	2.3	8.1	2.3	47,801	25,274	13,843	5,224	1,742	3,048	3,259	+4908
4	Shaquille O'Neal S. O'Neal	18	2,690	1,170	35.2	24.1	11.0	2.6	0.6	2.3	9.6	16.5	58.1	0.0	0.0	4.5	5.0	9.5	52.7	58.5	3.6	7.5	2.8	41,166	28,255	12,921	3,000	723	3,254	4,026	+4694
5	Hakeem Olajuwon H. Olajuwon	18	3,830	1,238	35.7	21.8	11.1	2.5	1.7	3.1	8.7	17.0	51.2	0.0	0.1	20.2	4.4	6.2	71.2	55.3	3.3	7.8	3.0	44,222	26,946	13,748	3,058	2,162	3,667	4,383	+564
6	Pau Gasol P. Gasol	17	1,926	1,196	34.0	17.4	9.3	3.2	0.5	1.6	6.6	13.1	50.8	0.1	0.4	36.6	4.0	5.2	75.4	56.5	2.6	6.8	2.2	40,641	20,776	11,168	3,873	601	2,622	2,603	+1859
7	Dwight Howard D. Howard	16	2,188	1,173	32.6	16.2	12.1	1.4	0.9	1.9	5.9	10.0	58.6	0.0	0.1	15.9	4.5	7.9	56.5	60.1	3.4	8.7	2.8	38,234	18,998	14,188	1,637	1,040	3,239	3,763	+3056
8	Clifford Robinson C. Robinson	16	1,327	1,250	31.8	15.1	4.7	2.4	1.1	1.1	5.7	12.9	43.9	0.9	2.6	35.7	2.8	4.0	69.1	51.3	1.4	3.3	1.9	39,743	18,838	5,917	2,954	1,346	2,410	3,871	+913
9	Patrick Ewing P. Ewing	16	2,849	1,118	35.5	21.8	10.1	1.9	1.0	2.5	8.5	16.9	50.5	0.0	0.1	15.3	4.7	6.4	74.0	55.4	2.4	7.7	3.1	39,693	24,425	11,344	2,180	1,114	3,472	3,905	+432
10	Moses Malone M. Malone	16	1,705	1,246	35.5	21.7	12.8	1.4	0.9	1.4	7.5	15.2	49.2	0.0	0.1	9.1	6.7	8.8	76.9	57.0	5.3	7.5	3.2	44,200	27,016	15,894	1,749	1,075	3,724	3,003
11	Kareem Abdul-Jabbar K. Abdul-Jabbar	16	3,189	1,239	35.3	22.9	10.0	3.5	0.9	2.6	9.4	16.8	56.1	0.0	0.0	5.6	4.0	5.4	73.6	59.5	2.4	7.6	2.7	43,787	28,316	12,369	4,302	1,160	2,527	3,667
12	Kevin Durant K. Durant	15	1,203	1,061	36.9	27.3	7.0	4.3	1.1	1.1	9.4	18.8	50.1	1.9	5.0	38.7	6.5	7.4	88.3	61.9	0.7	6.3	3.2	39,166	28,942	7,403	4,603	1,124	3,359	2,027	+4288
13	Al Horford A. Horford	15	1,216	1,070	31.6	12.7	7.9	3.2	0.8	1.1	5.2	10.3	50.9	0.9	2.3	37.8	1.4	1.8	76.6	57.4	1.9	6.0	1.4	33,828	13,633	8,434	3,435	804	1,460	2,291	+3546
14	Ben Wallace B. Wallace	15	2,126	1,054	30.3	5.9	9.9	1.4	1.3	2.0	2.4	5.1	47.5	0.0	0.0	13.7	1.0	2.5	41.5	47.5	3.2	6.6	1.0	31,888	6,216	10,424	1,435	1,361	1,043	2,051	+2123
15	Marcus Camby M. Camby	15	2,277	920	30.2	9.8	10.0	1.9	1.0	2.5	4.0	8.5	46.9	0.0	0.1	19.3	1.8	2.7	67.2	50.6	2.7	7.3	1.4	27,818	8,999	9,225	1,776	940	1,320	2,590	+130
16	Rasheed Wallace R. Wallace	15	1,445	1,088	33.0	14.6	6.7	1.8	1.0	1.3	5.8	12.3	46.8	1.0	2.9	33.7	2.1	2.9	72.1	53.7	1.4	5.3	1.5	35,947	15,860	7,321	1,988	1,077	1,683	3,219	+4381
17	Dikembe Mutombo D. Mutombo	15	3,193	1,124	31.6	10.2	10.7	1.1	0.4	2.8	3.6	7.0	52.1	0.0	0.0	0.0	2.9	4.3	68.3	57.5	3.3	7.4	1.9	35,562	11,457	11,974	1,216	479	2,116	3,263	+1455
18	Brook Lopez B. Lopez	14	2,011	1,070	30.4	15.8	6.1	1.5	0.6	1.9	6.0	12.2	49.6	1.0	2.8	35.2	2.8	3.5	79.8	57.8	2.0	4.2	1.6	32,554	16,908	6,564	1,586	615	1,705	2,774	+1041
19	Dale Davis D. Davis	14	1,227	1,020	28.4	8.4	8.3	0.9	0.7	1.2	3.5	6.6	53.1	0.0	0.0	0.0	1.5	2.6	56.1	54.7	3.2	5.1	1.1	28,964	8,597	8,415	960	681	1,071	2,796	+1113
20	Vlade Divac V. Divac	14	1,595	1,083	30.2	12.0	8.4	3.2	1.1	1.5	4.6	9.4	49.5	0.1	0.4	23.3	2.6	3.7	69.0	54.2	2.6	5.8	2.2	32,729	12,959	9,047	3,462	1,229	2,368	3,470	+2257
21	Horace Grant H. Grant	14	1,066	1,029	34.2	11.8	8.5	2.3	1.0	1.0	4.9	9.7	51.1	0.0	0.1	6.5	1.9	2.8	69.1	54.2	3.1	5.3	1.2	35,220	12,139	8,721	2,393	1,059	1,222	2,639	+503
22	Karl Malone K. Malone	14	974	1,141	37.9	26.4	10.5	3.4	1.4	0.9	9.6	18.5	51.9	0.1	0.2	29.4	7.1	9.4	74.8	58.1	2.6	7.9	3.1	43,238	30,091	11,983	3,901	1,619	3,537	3,612	+1496
23	Anthony Davis A. Davis	13	1,815	787	34.4	24.1	10.7	2.6	1.3	2.3	9.0	17.3	52.2	0.5	1.6	29.6	5.6	7.0	79.4	59.2	2.7	8.0	2.0	27,082	18,978	8,416	2,009	1,033	1,573	1,840	+929
24	DeAndre Jordan D. Jordan	13	1,466	932	27.4	9.4	10.6	1.0	0.6	1.6	3.8	5.6	67.4	0.0	0.0	8.3	1.8	3.8	47.5	64.3	3.1	7.5	1.4	25,572	8,727	9,878	911	525	1,294	2,412	+1425
25	Tyson Chandler T. Chandler	13	1,166	885	29.0	8.9	9.4	0.9	0.6	1.3	3.3	5.6	59.7	0.0	0.0	0.0	2.3	3.5	64.4	62.6	3.2	6.1	1.5	25,674	7,920	8,291	754	501	1,351	2,662	+1199