Tim Duncan has denied the most career shots in the playoffs, with 568 blocks.

Interpreted as:

most career blocks by a player in NBA playoffs

NAME	BLK	GP	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	TOV	PF	+/-
Tim Duncan	568	251	37.3	20.6	11.4	3.0	0.7	2.3	2.5	7.9	15.7	50.1	0.0	0.1	14.3	4.8	7.0	68.9	9,370	5,172	2,859	764	168	633	701	+1090
Kareem Abdul-Jabbar	476	196	36.0	23.4	9.1	3.2	1.0	2.4	2.6	9.5	17.5	54.5	0.0	0.0	0.0	4.3	5.8	75.4	7,053	4,585	1,778	618	189	447	666
Hakeem Olajuwon	472	145	39.6	25.9	11.2	3.2	1.7	3.3	2.9	10.4	19.6	52.8	0.0	0.1	22.2	5.1	7.1	71.9	5,749	3,755	1,621	458	245	424	562	-29
Shaquille O'Neal	459	216	37.5	24.3	11.6	2.7	0.5	2.1	3.0	9.4	16.8	56.3	0.0	0.0		5.4	10.7	50.4	8,098	5,250	2,508	582	117	649	769	+638
David Robinson	312	123	34.3	18.1	10.6	2.3	1.2	2.5	2.3	6.2	13.0	47.9	0.0	0.1	10.0	5.6	7.9	70.8	4,221	2,221	1,301	280	151	280	423	+362
Robert Parish	309	184	33.6	15.3	9.6	1.3	0.8	1.7	2.1	6.2	12.2	50.6	0.0	0.0	0.0	3.0	4.2	72.2	6,177	2,820	1,765	234	145	365	617	-3
Patrick Ewing	303	139	37.5	20.2	10.3	2.0	0.9	2.2	2.5	7.9	16.9	46.9	0.1	0.2	34.8	4.3	6.0	71.8	5,207	2,813	1,435	275	122	345	522	+8
Serge Ibaka	292	152	27.1	10.6	6.3	0.7	0.4	1.9	0.9	4.3	8.6	49.9	0.6	1.6	38.2	1.4	1.7	78.9	4,119	1,608	965	109	61	141	449	+263
Kevin McHale	281	169	33.8	18.8	7.4	1.6	0.4	1.7	1.9	7.1	12.7	56.1	0.0	0.1	38.1	4.5	5.8	78.8	5,716	3,182	1,253	274	65	326	571
LeBron James	275	287	41.3	28.4	9.0	7.2	1.7	1.0	3.6	10.2	20.5	49.7	1.6	4.9	33.2	6.4	8.6	74.1	11,858	8,162	2,583	2,067	483	1,034	655	+1311
Dikembe Mutombo	251	101	30.9	9.1	9.5	0.8	0.4	2.5	1.5	3.0	5.8	51.7	0.0	0.0	0.0	3.1	4.4	70.3	3,117	918	962	78	40	149	259	-71
Ben Wallace	250	130	34.8	7.2	11.2	1.3	1.5	1.9	1.0	2.8	5.8	48.2	0.0	0.1	0.0	1.6	3.9	41.8	4,524	939	1,454	173	199	136	296	+368
Dwight Howard	248	125	31.6	15.3	11.8	1.2	0.8	2.0	2.6	5.4	9.2	58.9	0.0	0.1	14.3	4.4	8.0	54.8	3,945	1,909	1,473	149	94	323	467	-77
Julius Erving	239	141	37.5	21.9	7.0	4.2	1.7	1.7	3.2	8.4	17.3	48.6	0.1	0.3	19.4	5.0	6.4	77.9	5,288	3,088	994	594	235	396	403
Pau Gasol	233	136	35.5	15.4	9.2	3.2	0.5	1.7	1.8	6.0	11.8	50.8	0.1	0.3	29.7	3.4	4.6	74.1	4,825	2,098	1,246	438	71	250	356	+225
Rasheed Wallace	225	177	33.0	13.5	6.2	1.5	0.8	1.3	1.3	5.2	11.7	44.4	1.1	3.1	35.2	2.0	2.8	71.7	5,838	2,384	1,099	264	145	228	645	+325
Robert Horry	225	244	28.0	7.9	5.6	2.4	1.1	0.9	1.2	2.7	6.4	42.6	1.1	3.0	35.9	1.4	2.0	72.2	6,823	1,939	1,361	575	276	282	717	+590
Caldwell Jones	223	119	29.1	6.8	8.4	1.2	0.4	1.9	1.6	2.7	5.6	48.4	0.0	0.0	0.0	1.4	1.9	75.9	3,466	814	999	147	51	157	426
Elvin Hayes	222	85	43.0	22.5	13.0	2.1	1.1	2.6	2.8	9.1	19.8	45.8	0.0	0.0		4.4	6.7	64.9	3,654	1,910	1,104	175	97	124	341
Al Horford	219	177	33.9	12.3	8.1	3.3	0.8	1.2	1.4	4.9	10.0	49.4	0.9	2.4	38.7	1.5	2.0	77.5	6,005	2,179	1,435	586	142	248	438	+8
Alonzo Mourning	215	95	27.3	13.6	7.0	0.9	0.5	2.3	2.4	4.6	9.1	51.2	0.1	0.2	36.8	4.2	6.5	64.9	2,597	1,291	665	81	45	226	330	+43
Draymond Green	214	157	34.7	11.6	8.9	6.2	1.5	1.4	2.6	4.1	9.2	44.9	1.0	3.3	30.4	2.3	3.2	72.7	5,446	1,825	1,391	974	240	411	593	+993
Mark Eaton	210	74	31.0	6.1	7.5	0.7	0.5	2.8	1.1	2.4	5.0	48.9	0.0	0.0		1.3	2.0	63.9	2,295	454	557	52	35	81	250
Kevin Durant	204	170	40.5	29.3	7.8	4.2	1.0	1.2	3.2	9.9	20.8	47.7	2.2	6.1	35.6	7.4	8.5	86.8	6,893	4,985	1,327	709	172	550	427	+643
Kevin Garnett	186	143	36.9	18.2	10.7	3.3	1.2	1.3	2.4	7.4	15.5	47.8	0.1	0.4	27.3	3.3	4.1	78.9	5,283	2,601	1,534	471	178	342	431	+298