Rudy Gobert had the lowest defensive rating in 2020-21, with a 100.5 rating.

2021 nba player defensive rating leaders

Interpreted as:

2021 NBA player defensive rating with a minimum of 2000 minutes played per 82 team games leaders

NAME	DRTG	SEASON	TM	GP	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
Rudy Gobert	100.5	2020-21	UTA	71	30.8	14.3	13.5	1.3	0.6	2.7	1.7	5.5	8.2	67.5	0.0	0.1	0.0	3.3	5.3	62.3	2,187	1,015	960	89	40	190	118	163	+728
Ben Simmons	106.1	2020-21	PHI	58	32.4	14.3	7.2	6.9	1.6	0.6	3.0	5.6	10.1	55.7	0.1	0.2	30.0	3.0	4.9	61.3	1,877	829	417	401	93	35	173	171	+329
Clint Capela	106.1	2020-21	ATL	63	30.1	15.2	14.3	0.8	0.7	2.0	1.2	6.6	11.0	59.4	0.0	0.0		2.1	3.6	57.3	1,898	956	903	49	44	129	73	145	+251
Draymond Green	106.5	2020-21	GSW	63	31.5	7.0	7.1	8.9	1.7	0.8	3.0	2.7	6.0	44.7	0.5	2.0	27.0	1.1	1.4	79.5	1,982	444	448	558	105	52	188	194	+241
Giannis Antetokounmpo	107.0	2020-21	MIL	61	33.0	28.1	11.0	5.9	1.2	1.2	3.4	10.3	18.0	56.9	1.1	3.6	30.3	6.5	9.5	68.5	2,013	1,717	671	357	72	73	207	168	+409
Julius Randle	107.2	2020-21	NYK	71	37.6	24.1	10.2	6.0	0.9	0.3	3.4	8.5	18.6	45.6	2.3	5.5	41.1	4.9	6.0	81.1	2,667	1,712	724	427	64	18	241	225	+153
Danny Green	107.5	2020-21	PHI	69	28.0	9.5	3.8	1.7	1.3	0.8	1.0	3.2	7.9	41.2	2.5	6.3	40.5	0.4	0.6	77.5	1,934	654	260	118	92	56	67	125	+312
Tobias Harris	108.0	2020-21	PHI	62	32.5	19.5	6.8	3.5	0.9	0.8	1.7	7.6	14.9	51.2	1.3	3.4	39.4	2.9	3.3	89.2	2,014	1,210	419	220	55	51	107	119	+322
Bam Adebayo	108.3	2020-21	MIA	64	33.5	18.7	9.0	5.4	1.2	1.0	2.6	7.1	12.5	57.0	0.0	0.1	25.0	4.4	5.5	79.9	2,143	1,197	573	346	75	66	169	145	+24
Royce O'Neale	108.4	2020-21	UTA	71	31.6	7.0	6.8	2.5	0.8	0.5	1.2	2.5	5.5	44.4	1.5	3.9	38.5	0.5	0.6	84.8	2,241	496	485	181	57	32	83	182	+471
Kyle Kuzma	108.6	2020-21	LAL	68	28.7	12.9	6.1	1.9	0.5	0.6	1.7	4.9	11.1	44.3	2.0	5.6	36.1	1.0	1.4	69.1	1,954	874	417	127	35	41	113	121	-3
Deandre Ayton	108.7	2020-21	PHX	69	30.7	14.4	10.5	1.4	0.6	1.2	1.5	6.2	10.0	62.6	0.1	0.3	20.0	1.9	2.5	76.9	2,115	997	727	99	41	81	103	196	+274
Kyle Anderson	108.8	2020-21	MEM	69	27.3	12.4	5.7	3.6	1.2	0.8	1.2	4.5	9.5	46.8	1.4	3.8	36.0	2.1	2.7	78.3	1,887	854	396	250	84	57	86	120	+51
Dennis Schroder	109.2	2020-21	LAL	61	32.1	15.4	3.5	5.8	1.1	0.2	2.7	5.4	12.5	43.7	1.2	3.5	33.5	3.4	4.0	84.8	1,956	941	211	351	70	13	163	159	+84
Nikola Jokic	109.3	2020-21	DEN	72	34.6	26.4	10.8	8.3	1.3	0.7	3.1	10.2	18.0	56.6	1.3	3.3	38.8	4.8	5.5	86.8	2,488	1,898	780	599	95	48	222	192	+384
Kentavious Caldwell-Pope	109.4	2020-21	LAL	67	28.4	9.7	2.7	1.9	0.9	0.4	1.0	3.3	7.6	43.1	1.8	4.4	41.0	1.4	1.7	86.6	1,902	653	179	127	62	26	66	114	+138
Kawhi Leonard	109.5	2020-21	LAC	52	34.1	24.8	6.5	5.2	1.6	0.4	2.0	8.9	17.5	51.2	1.9	4.9	39.8	5.0	5.7	88.5	1,773	1,292	337	269	81	21	105	82	+447
Jordan Clarkson	109.5	2020-21	UTA	68	26.7	18.4	4.0	2.5	0.9	0.1	1.7	6.7	15.8	42.5	3.1	8.8	34.7	1.9	2.1	89.6	1,818	1,251	274	168	61	10	115	110	+301
Jakob Poeltl	109.6	2020-21	SAS	69	26.7	8.6	7.9	1.9	0.7	1.8	1.2	3.8	6.2	61.6	0.0	0.0		0.9	1.8	50.8	1,845	593	547	134	47	123	83	172	+109
Russell Westbrook	109.7	2020-21	WAS	65	36.4	22.2	11.5	11.7	1.4	0.4	4.8	8.4	19.0	43.9	1.3	4.2	31.5	4.2	6.4	65.6	2,369	1,445	750	763	89	23	312	190	-87
Domantas Sabonis	109.8	2020-21	IND	62	36.0	20.3	12.0	6.7	1.2	0.5	3.4	7.8	14.6	53.5	0.8	2.6	32.1	3.9	5.3	73.2	2,231	1,260	742	415	76	33	213	203	-91
Nikola Vucevic	110.1	2020-21	TOT	70	33.5	23.4	11.7	3.8	0.9	0.7	1.8	9.5	19.9	47.7	2.5	6.3	40.0	1.9	2.2	84.0	2,348	1,639	817	269	65	48	126	137	-341
Nicolas Batum	110.2	2020-21	LAC	67	27.4	8.1	4.7	2.2	1.0	0.6	0.8	2.9	6.1	46.4	1.6	4.1	40.4	0.7	0.9	82.8	1,835	540	316	148	69	37	53	102	+338
Kelly Olynyk	110.2	2020-21	TOT	70	28.5	13.5	7.0	2.9	1.1	0.6	1.8	4.8	10.0	48.4	1.8	5.3	34.2	2.1	2.5	82.9	1,997	945	489	203	79	42	126	207	-100
Paul George	110.3	2020-21	LAC	54	33.7	23.3	6.6	5.2	1.1	0.4	3.3	8.2	17.6	46.7	3.2	7.7	41.1	3.7	4.2	86.8	1,821	1,259	359	280	62	24	179	132	+432