T.J. McConnell had the most steals + blocks per game in 2020-21, with 128.33.

Interpreted as:

most steals plus blocks per game by a player 2021

	NAME	STL+BPG	STL	BPG	SEASON	TM	GP	MPG	PPG	RPG	APG	SPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	BLK	TOV	PF	+/-
1	T.J. McConnell	128.33	128	0.3	2020-21	IND	69	26.0	8.6	3.7	6.6	1.9	4.0	7.1	55.9	0.2	0.7	31.3	0.5	0.7	68.8	58.3	0.8	2.9	2.0	1,796	596	256	456	23	135	113	+70
2	Jimmy Butler III J. Butler III	108.35	108	0.3	2020-21	MIA	52	33.6	21.5	6.9	7.1	2.1	7.0	14.2	49.7	0.5	2.0	24.5	6.9	8.0	86.3	60.7	1.8	5.1	2.1	1,745	1,116	359	369	18	109	71	+196
3	Matisse Thybulle M. Thybulle	106.09	105	1.1	2020-21	PHI	65	20.0	3.9	1.9	1.0	1.6	1.6	3.7	42.0	0.7	2.2	30.1	0.1	0.3	44.4	50.8	0.5	1.4	0.5	1,298	255	124	63	71	32	127	+96
4	Draymond Green D. Green	105.83	105	0.8	2020-21	GSW	63	31.5	7.0	7.1	8.9	1.7	2.7	6.0	44.7	0.5	2.0	27.0	1.1	1.4	79.5	53.0	0.9	6.2	3.0	1,982	444	448	558	52	188	194	+241
5	Robert Covington R. Covington	102.2	101	1.2	2020-21	POR	70	32.0	8.5	6.7	1.7	1.4	2.9	7.3	40.1	1.9	5.1	37.9	0.7	0.9	80.6	55.3	0.9	5.8	0.9	2,243	593	466	117	84	64	195	+203
6	Delon Wright D. Wright	101.48	101	0.5	2020-21	TOT	63	27.7	10.2	4.3	4.4	1.6	3.8	8.2	46.3	1.0	2.7	37.2	1.6	2.0	80.2	56.2	1.0	3.2	1.3	1,748	645	269	278	30	83	75	-108
7	Dejounte Murray D. Murray	101.1	101	0.1	2020-21	SAS	67	31.9	15.7	7.1	5.4	1.5	6.6	14.5	45.3	0.9	3.0	31.7	1.6	2.0	79.1	50.9	0.9	6.2	1.7	2,139	1,051	473	363	7	117	135	+88
8	Chris Paul C. Paul	99.27	99	0.3	2020-21	PHX	70	31.4	16.4	4.5	8.9	1.4	6.3	12.6	49.9	1.5	3.7	39.5	2.4	2.6	93.4	59.9	0.4	4.1	2.2	2,199	1,149	312	622	19	156	166	+310
9	Ricky Rubio R. Rubio	98.06	98	0.1	2020-21	MIN	68	26.0	8.6	3.3	6.4	1.4	2.8	7.3	38.8	1.0	3.1	30.8	1.9	2.2	86.7	51.6	0.4	2.9	1.6	1,771	582	223	433	4	111	139	-186
10	Jrue Holiday J. Holiday	96.63	96	0.6	2020-21	MIL	59	32.3	17.7	4.5	6.1	1.6	7.0	13.9	50.3	1.9	4.8	39.2	1.8	2.3	78.7	59.2	1.2	3.3	2.2	1,907	1,046	268	357	37	127	98	+379
11	Nikola Jokić N. Jokić	95.67	95	0.7	2020-21	DEN	72	34.5	26.4	10.8	8.3	1.3	10.2	18.0	56.6	1.3	3.3	38.8	4.8	5.5	86.8	64.7	2.8	8.0	3.1	2,487	1,898	780	599	48	222	192	+384
12	Ben Simmons B. Simmons	93.6	93	0.6	2020-21	PHI	58	32.4	14.3	7.2	6.9	1.6	5.6	10.1	55.7	0.1	0.2	30.0	3.0	4.9	61.3	58.4	1.6	5.6	3.0	1,877	829	417	401	35	173	171	+329
13	Danny Green D. Green	92.81	92	0.8	2020-21	PHI	69	28.0	9.5	3.8	1.7	1.3	3.2	7.9	41.2	2.5	6.3	40.5	0.4	0.6	77.5	58.2	0.8	3.0	1.0	1,934	654	260	118	56	67	125	+312
14	Russell Westbrook R. Westbrook	89.35	89	0.4	2020-21	WAS	65	36.4	22.2	11.5	11.7	1.4	8.4	19.0	43.9	1.3	4.2	31.5	4.2	6.4	65.6	50.9	1.7	9.9	4.8	2,369	1,445	750	763	23	312	190	-87
15	Fred VanVleet F. VanVleet	87.71	87	0.7	2020-21	TOR	52	36.5	19.6	4.2	6.3	1.7	6.5	16.7	38.9	3.3	9.2	36.6	3.3	3.7	88.5	53.4	0.6	3.6	1.8	1,898	1,019	220	328	37	95	119	+140
16	De'Aaron Fox D. Fox	87.47	87	0.5	2020-21	SAC	58	35.1	25.2	3.5	7.2	1.5	9.1	19.1	47.7	1.8	5.5	32.2	5.2	7.2	71.9	56.5	0.6	2.9	3.0	2,036	1,461	203	417	27	174	170	-195
17	Terry Rozier T. Rozier	87.38	87	0.4	2020-21	CHA	69	34.5	20.4	4.4	4.2	1.3	7.4	16.4	45.0	3.2	8.3	38.9	2.4	2.9	81.7	57.5	0.7	3.7	1.9	2,383	1,407	302	293	26	128	119	-89
18	Jae'Sean Tate J. Tate	85.51	85	0.5	2020-21	HOU	70	29.2	11.3	5.3	2.5	1.2	4.5	8.9	50.6	0.9	2.8	30.8	1.5	2.1	69.4	57.6	1.9	3.5	1.4	2,043	794	374	178	36	98	222	-189
19	Kyle Anderson K. Anderson	84.83	84	0.8	2020-21	MEM	69	27.3	12.4	5.7	3.6	1.2	4.5	9.5	46.8	1.4	3.8	36.0	2.1	2.7	78.3	57.8	0.8	5.0	1.2	1,887	854	396	250	57	86	120	+51
20	Lonzo Ball L. Ball	82.56	82	0.6	2020-21	NOP	55	31.8	14.6	4.8	5.7	1.5	5.3	12.7	41.4	3.1	8.3	37.8	0.9	1.2	78.1	55.1	0.6	4.2	2.2	1,747	802	263	316	31	123	103	+49
21	Anthony Edwards A. Edwards	82.5	82	0.5	2020-21	MIN	72	32.1	19.3	4.7	2.9	1.1	7.0	16.8	41.7	2.4	7.2	32.9	2.9	3.8	77.6	52.3	0.8	3.8	2.2	2,314	1,392	336	211	36	160	129	-228
22	Norman Powell N. Powell	82.26	82	0.3	2020-21	TOT	69	32.0	18.6	3.1	1.9	1.2	6.3	13.3	47.7	2.5	6.0	41.1	3.4	3.9	87.1	61.8	0.6	2.5	1.7	2,205	1,283	215	129	18	119	160	+79
23	Kevin Huerter K. Huerter	82.26	82	0.3	2020-21	ATL	69	30.8	11.9	3.3	3.5	1.2	4.6	10.6	43.2	2.0	5.6	36.3	0.7	0.9	78.1	54.1	0.6	2.8	1.1	2,126	822	231	241	18	79	165	+69
24	Kawhi Leonard K. Leonard	81.4	81	0.4	2020-21	LAC	52	34.1	24.8	6.5	5.2	1.6	8.9	17.5	51.2	1.9	4.9	39.8	5.0	5.7	88.5	62.2	1.1	5.4	2.0	1,772	1,292	337	269	21	105	82	+447
25	LaMelo Ball L. Ball	81.35	81	0.4	2020-21	CHA	51	28.8	15.7	5.9	6.1	1.6	5.7	13.2	43.6	1.8	5.1	35.2	2.5	3.2	75.8	53.9	1.2	4.7	2.8	1,468	803	302	313	18	145	136	-84