Mark Eaton has denied the most shots in a season, with 456 blocks in 1984-85.

nba players with most blocks in a season in nba history

NAME	BLK	SEASON	TM	GP	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	TOV	PF	+/-
Mark Eaton	456	1984-85	UTA	82	34.3	9.7	11.3	1.5	0.4	5.6	2.5	3.7	8.2	44.9	0.0	0.0		2.3	3.3	71.2	2,813	794	927	124	36	206	312
Manute Bol	397	1985-86	WAS	80	26.1	3.7	6.0	0.3	0.4	5.0	0.8	1.6	3.5	46.0	0.0	0.0	0.0	0.5	1.1	48.8	2,090	298	477	23	28	65	255
Elmore Smith	393	1973-74	LAL	81	36.1	12.5	11.2	1.9	0.9	4.9		5.4	11.7	45.7				1.8	3.1	59.0	2,922	1,015	906	150	71		309
Hakeem Olajuwon	376	1989-90	HOU	82	38.1	24.3	14.0	2.9	2.1	4.6	3.9	9.8	19.6	50.1	0.0	0.1	16.7	4.7	6.5	71.3	3,124	1,995	1,149	234	174	316	314
Mark Eaton	369	1985-86	UTA	80	31.9	8.5	8.4	1.3	0.4	4.6	2.0	3.5	7.4	47.0	0.0	0.0		1.5	2.5	60.4	2,551	676	675	101	33	157	282
Mark Eaton	351	1983-84	UTA	82	26.1	5.6	7.3	1.4	0.3	4.3	1.2	2.4	5.1	46.6	0.0	0.0	0.0	0.9	1.5	59.3	2,139	461	595	113	25	98	303
Manute Bol	345	1988-89	GSW	80	22.1	3.9	5.8	0.3	0.1	4.3	1.0	1.6	4.3	36.9	0.3	1.1	22.0	0.5	0.8	60.6	1,769	314	462	27	11	79	226
Tree Rollins	343	1982-83	ATL	80	30.9	7.8	9.3	0.9	0.6	4.3	1.2	3.3	6.4	51.0	0.0	0.0	0.0	1.2	1.7	72.6	2,472	620	743	75	49	95	294
Hakeem Olajuwon	342	1992-93	HOU	82	39.5	26.1	13.0	3.5	1.8	4.2	3.2	10.3	19.5	52.9	0.0	0.1	0.0	5.4	7.0	77.9	3,242	2,140	1,068	291	150	262	305
Kareem Abdul-Jabbar	338	1975-76	LAL	82	41.2	27.7	16.9	5.0	1.5	4.1		11.1	21.1	52.9				5.5	7.8	70.3	3,379	2,275	1,383	413	119		292
Dikembe Mutombo	336	1993-94	DEN	82	34.8	12.0	11.8	1.5	0.7	4.1	2.5	4.5	7.8	56.9	0.0	0.0	0.0	3.1	5.4	58.3	2,853	986	971	127	59	206	262
Dikembe Mutombo	332	1995-96	DEN	74	36.7	11.0	11.8	1.5	0.5	4.5	2.0	3.8	7.7	49.9	0.0	0.0	0.0	3.3	4.8	69.5	2,713	814	871	108	38	150	258
Patrick Ewing	327	1989-90	NYK	82	38.6	28.6	10.9	2.2	1.0	4.0	3.4	11.2	20.4	55.1	0.0	0.0	25.0	6.1	7.9	77.5	3,165	2,347	893	182	78	278	325
Dikembe Mutombo	321	1994-95	DEN	82	37.8	11.5	12.5	1.4	0.5	3.9	2.3	4.3	7.7	55.6	0.0	0.0		3.0	4.6	65.4	3,100	946	1,029	113	40	192	284
Mark Eaton	321	1986-87	UTA	79	31.7	7.7	8.8	1.3	0.5	4.1	1.8	3.0	7.4	40.0	0.0	0.0		1.8	2.7	65.7	2,505	608	697	105	43	142	273
David Robinson	320	1990-91	SAS	82	37.7	25.6	13.0	2.5	1.5	3.9	3.3	9.2	16.7	55.2	0.0	0.1	14.3	7.2	9.5	76.2	3,095	2,101	1,063	208	127	270	264
David Robinson	319	1989-90	SAS	82	36.6	24.3	12.0	2.0	1.7	3.9	3.1	8.4	15.9	53.1	0.0	0.0	0.0	7.5	10.2	73.2	3,002	1,993	983	164	138	257	259
Kareem Abdul-Jabbar	316	1978-79	LAL	80	39.5	23.8	12.8	5.4	1.0	4.0	3.5	9.7	16.8	57.7				4.4	5.9	73.6	3,157	1,903	1,025	431	76	282	230
Mark Eaton	315	1988-89	UTA	82	35.5	6.2	10.3	1.0	0.5	3.8	1.7	2.3	5.0	46.2	0.0	0.0		1.6	2.4	66.0	2,914	508	843	83	40	142	290
Theo Ratliff	307	2003-04	TOT	85	31.3	7.9	7.2	0.8	0.6	3.6	1.4	3.1	6.5	48.5	0.0	0.0		1.6	2.6	64.5	2,664	672	614	71	54	120	300	-47
David Robinson	305	1991-92	SAS	68	37.7	23.2	12.2	2.7	2.3	4.5	2.7	8.7	15.8	55.1	0.0	0.1	12.5	5.8	8.3	70.1	2,564	1,578	829	181	158	182	219
Hakeem Olajuwon	304	1991-92	HOU	70	37.7	21.6	12.1	2.2	1.8	4.3	2.7	8.4	16.8	50.2	0.0	0.0	0.0	4.7	6.1	76.6	2,636	1,510	845	157	127	187	263
Mark Eaton	304	1987-88	UTA	82	33.3	7.0	8.7	0.7	0.5	3.7	1.6	2.8	6.6	41.8	0.0	0.0		1.5	2.3	62.3	2,731	571	717	55	41	131	320
Manute Bol	302	1986-87	WAS	82	18.9	3.1	4.4	0.1	0.2	3.7	0.7	1.3	2.8	44.6	0.0	0.0	0.0	0.5	0.8	67.2	1,552	251	362	11	20	61	189
Hakeem Olajuwon	297	1993-94	HOU	80	41.0	27.3	11.9	3.6	1.6	3.7	3.4	11.2	21.2	52.8	0.1	0.2	42.1	4.9	6.8	71.6	3,277	2,184	955	287	128	271	289