Hakeem Olajuwon has the most blocks + steals in a season, with 550 in 1989-90.

Interpreted as:

most blocks + steals by a player total in a season

	NAME	BLK+STL	BLK	STL	SEASON	TM	GP	MIN	PTS	REB	AST	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF	+/-	MPG	PPG	RPG	APG	SPG	BPG	TPG
1	Hakeem Olajuwon H. Olajuwon	550	376	174	1989-90	HOU	82	3,124	1,995	1,149	234	806	1,609	50.1	1	6	16.7	382	536	71.3	54.1	299	850	316	314		38.1	24.3	14.0	2.9	2.1	4.6	3.9
2	Hakeem Olajuwon H. Olajuwon	495	282	213	1988-89	HOU	82	3,024	2,034	1,105	149	790	1,556	50.8	0	10	0.0	454	652	69.6	55.2	338	767	275	329		36.9	24.8	13.5	1.8	2.6	3.4	3.4
3	Hakeem Olajuwon H. Olajuwon	492	342	150	1992-93	HOU	82	3,242	2,140	1,068	291	848	1,603	52.9	0	8	0.0	444	570	77.9	57.7	283	785	262	305		39.5	26.1	13.0	3.5	1.8	4.2	3.2
4	Mark Eaton M. Eaton	492	456	36	1984-85	UTA	82	2,813	794	927	124	302	673	44.9	0	0		190	267	71.2	50.2	207	720	206	312		34.3	9.7	11.3	1.5	0.4	5.6	2.5
5	Elmore Smith E. Smith	464	393	71	1973-74	LAL	81	2,922	1,015	906	150	434	949	45.7				147	249	59.0	47.9	204	702		309		36.1	12.5	11.2	1.9	0.9	4.9
6	David Robinson D. Robinson	463	305	158	1991-92	SAS	68	2,564	1,578	829	181	592	1,074	55.1	1	8	12.5	393	561	70.1	59.7	261	568	182	219		37.7	23.2	12.2	2.7	2.3	4.5	2.7
7	David Robinson D. Robinson	457	319	138	1989-90	SAS	82	3,002	1,993	983	164	690	1,300	53.1	0	2	0.0	613	837	73.2	59.7	303	680	257	259		36.6	24.3	12.0	2.0	1.7	3.9	3.1
8	Kareem Abdul-Jabbar K. Abdul-Jabbar	457	338	119	1975-76	LAL	82	3,379	2,275	1,383	413	914	1,728	52.9				447	636	70.3	56.7	272	1,111		292		41.2	27.7	16.9	5.0	1.5	4.1
9	David Robinson D. Robinson	447	320	127	1990-91	SAS	82	3,095	2,101	1,063	208	754	1,366	55.2	1	7	14.3	592	777	76.2	61.5	335	728	270	264		37.7	25.6	13.0	2.5	1.5	3.9	3.3
10	Hakeem Olajuwon H. Olajuwon	431	304	127	1991-92	HOU	70	2,636	1,510	845	157	591	1,177	50.2	0	1	0.0	328	428	76.6	55.3	246	599	187	263		37.7	21.6	12.1	2.2	1.8	4.3	2.7
11	Hakeem Olajuwon H. Olajuwon	425	297	128	1993-94	HOU	80	3,277	2,184	955	287	894	1,694	52.8	8	19	42.1	388	542	71.6	56.5	229	726	271	289		41.0	27.3	11.9	3.6	1.6	3.7	3.4
12	Manute Bol M. Bol	425	397	28	1985-86	WAS	80	2,090	298	477	23	128	278	46.0	0	1	0.0	42	86	48.8	47.2	123	354	65	255		26.1	3.7	6.0	0.3	0.4	5.0	0.8
13	Ben Wallace B. Wallace	416	278	138	2001-02	DET	80	2,921	609	1,039	115	255	480	53.1	0	3	0.0	99	234	42.3	52.2	318	721	70	178	+150	36.5	7.6	13.0	1.4	1.7	3.5	0.9
14	Patrick Ewing P. Ewing	405	327	78	1989-90	NYK	82	3,165	2,347	893	182	922	1,673	55.1	1	4	25.0	502	648	77.5	59.9	235	658	278	325		38.6	28.6	10.9	2.2	1.0	4.0	3.4
15	David Robinson D. Robinson	404	265	139	1993-94	SAS	80	3,241	2,383	855	381	840	1,658	50.7	10	29	34.5	693	925	74.9	57.7	241	614	253	228		40.5	29.8	10.7	4.8	1.7	3.3	3.2
16	Mark Eaton M. Eaton	402	369	33	1985-86	UTA	80	2,551	676	675	101	277	589	47.0	0	0		122	202	60.4	49.9	172	503	157	282		31.9	8.5	8.4	1.3	0.4	4.6	2.0
17	Patrick Ewing P. Ewing	398	281	117	1988-89	NYK	80	2,896	1,815	740	188	727	1,282	56.7	0	6	0.0	361	484	74.6	60.7	213	527	266	311		36.2	22.7	9.3	2.4	1.5	3.5	3.3
18	David Robinson D. Robinson	396	262	134	1994-95	SAS	81	3,074	2,238	877	236	788	1,487	53.0	6	20	30.0	656	847	77.4	60.2	234	643	233	230		38.0	27.6	10.8	2.9	1.7	3.2	2.9
19	Dikembe Mutombo D. Mutombo	395	336	59	1993-94	DEN	82	2,853	986	971	127	365	642	56.9	0	1	0.0	256	439	58.3	59.0	286	685	206	262		34.8	12.0	11.8	1.5	0.7	4.1	2.5
20	Kareem Abdul-Jabbar K. Abdul-Jabbar	395	283	112	1973-74	MIL	81	3,548	2,191	1,178	386	948	1,759	53.9				295	420	70.2	56.4	287	891		238		43.8	27.0	14.5	4.8	1.4	3.5
21	Hakeem Olajuwon H. Olajuwon	394	254	140	1986-87	HOU	75	2,760	1,755	858	220	677	1,332	50.8	1	5	20.0	400	570	70.2	55.4	315	543	228	294		36.8	23.4	11.4	2.9	1.9	3.4	3.0
22	Tree Rollins T. Rollins	392	343	49	1982-83	ATL	80	2,472	620	743	75	261	512	51.0	0	1	0.0	98	135	72.6	54.3	210	533	95	294		30.9	7.8	9.3	0.9	0.6	4.3	1.2
23	Kareem Abdul-Jabbar K. Abdul-Jabbar	392	316	76	1978-79	LAL	80	3,157	1,903	1,025	431	777	1,347	57.7				349	474	73.6	61.2	207	818	282	230		39.5	23.8	12.8	5.4	1.0	4.0	3.5
24	David Robinson D. Robinson	391	264	127	1992-93	SAS	82	3,211	1,916	956	301	676	1,348	50.1	3	17	17.6	561	766	73.2	56.9	229	727	241	239		39.2	23.4	11.7	3.7	1.5	3.2	2.9
25	Michael Jordan M. Jordan	390	131	259	1987-88	CHI	82	3,311	2,868	449	485	1,069	1,998	53.5	7	53	13.2	723	860	84.1	60.3	139	310	252	270		40.4	35.0	5.5	5.9	3.2	1.6	3.1