Since 1979-80, Ben Wallace has the best defensive rating with 1,500+ minutes played in a season, with an 87.5 rating in 2003-04.

best drtg by a player in a season since 1980 with 1500+ minutes

NAME	DRTG	MIN	SEASON	TM	GP	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	PTS	REB	AST	STL	BLK	TOV	PF	+/-
Ben Wallace	87.5	3,050	2003-04	DET	81	37.7	9.5	12.4	1.7	1.8	3.0	1.5	3.9	9.2	42.1	0.0	0.1	12.5	1.8	3.6	49.0	773	1,006	138	143	246	123	162	+437
David Robinson	88.0	1,554	1998-99	SAS	49	31.7	15.8	10.0	2.1	1.4	2.4	2.2	5.5	10.8	50.9	0.0	0.0	0.0	4.9	7.4	65.8	775	492	103	69	119	108	143	+331
Tim Duncan	88.5	2,527	2003-04	SAS	69	36.6	22.3	12.4	3.1	0.9	2.7	2.7	8.6	17.1	50.1	0.0	0.2	16.7	5.1	8.5	59.9	1,538	859	213	62	185	183	164	+543
Ben Wallace	90.0	2,873	2002-03	DET	73	39.4	6.9	15.4	1.6	1.4	3.2	1.2	2.9	6.0	48.1	0.0	0.1	16.7	1.2	2.6	45.0	506	1,126	120	104	230	88	179	+222
Marcus Camby	90.5	2,127	2000-01	NYK	63	33.8	12.0	11.5	0.8	1.0	2.2	1.0	4.8	9.2	52.4	0.0	0.1	12.5	2.4	3.6	66.7	759	723	52	66	136	63	205	+67
Kevin Garnett	91.5	3,231	2003-04	MIN	82	39.4	24.2	13.9	5.0	1.5	2.2	2.6	9.8	19.6	49.9	0.1	0.5	25.6	4.5	5.7	79.1	1,987	1,139	409	120	178	212	202	+614
Tim Duncan	91.5	1,963	1998-99	SAS	50	39.3	21.7	11.4	2.4	0.9	2.5	2.9	8.4	16.9	49.5	0.0	0.1	14.3	4.9	7.2	69.0	1,084	571	121	45	126	146	147	+371
David Robinson	92.0	2,371	2000-01	SAS	80	29.6	14.4	8.6	1.5	1.0	2.5	1.5	5.0	10.3	48.6	0.0	0.0	0.0	4.4	5.9	74.7	1,151	691	116	80	197	122	212	+562
David Robinson	92.2	2,557	1999-00	SAS	80	32.0	17.8	9.6	1.8	1.2	2.3	2.1	6.6	12.9	51.2	0.0	0.0	0.0	4.6	6.4	72.6	1,427	770	142	97	183	164	247	+416
Rasho Nesterovic	92.2	2,353	2003-04	SAS	82	28.7	8.7	7.7	1.4	0.6	2.0	1.3	4.0	8.5	46.9	0.0	0.0		0.7	1.4	47.4	710	633	114	51	165	107	247	+278
Dikembe Mutombo	92.3	1,829	1998-99	ATL	50	36.6	10.8	12.2	1.1	0.3	2.9	1.9	3.5	6.8	51.2	0.0	0.0		3.9	5.7	68.4	541	610	57	16	147	94	145	+225
Patrick Ewing	92.7	2,972	1993-94	NYK	79	37.6	24.5	11.2	2.3	1.1	2.7	3.3	9.4	19.0	49.6	0.1	0.2	28.6	5.6	7.4	76.5	1,939	885	179	90	217	260	275
Alonzo Mourning	92.8	1,753	1998-99	MIA	46	38.1	20.1	11.0	1.6	0.7	3.9	3.0	7.0	13.8	51.1	0.0	0.0	0.0	6.0	9.2	65.2	924	507	74	34	180	139	161	+340
Ben Wallace	92.9	2,921	2001-02	DET	80	36.5	7.6	13.0	1.4	1.7	3.5	0.9	3.2	6.0	53.1	0.0	0.0	0.0	1.2	2.9	42.3	609	1,039	115	138	278	70	178	+150
Kenyon Martin	93.1	2,252	2003-04	NJN	65	34.6	16.7	9.5	2.5	1.5	1.3	2.6	6.8	13.8	48.8	0.1	0.4	28.0	3.1	4.5	68.4	1,086	617	160	95	82	168	230	+198
Manu Ginobili	93.1	2,260	2003-04	SAS	77	29.4	12.8	4.5	3.8	1.8	0.2	2.1	4.3	10.2	41.8	1.1	3.2	35.9	3.1	3.9	80.2	987	344	291	136	16	161	181	+406
Tim Duncan	93.1	2,203	2004-05	SAS	66	33.4	20.3	11.1	2.7	0.7	2.6	1.9	7.8	15.8	49.6	0.0	0.1	33.3	4.6	6.9	67.0	1,342	732	179	45	174	127	144	+692
Jermaine O'Neal	93.1	2,788	2003-04	IND	78	35.7	20.1	10.0	2.1	0.8	2.6	2.3	7.8	17.9	43.4	0.0	0.2	11.1	4.5	5.9	75.7	1,566	778	164	59	199	181	248	+446
Hakeem Olajuwon	93.4	2,062	1990-91	HOU	56	36.8	21.2	13.8	2.3	2.2	3.9	3.1	8.7	17.1	50.8	0.0	0.1	0.0	3.8	4.9	76.9	1,187	770	131	121	221	174	221
Hakeem Olajuwon	93.4	3,124	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	1,995	1,149	234	174	376	316	314
Shawn Marion	93.4	2,857	2000-01	PHX	79	36.2	17.3	10.7	2.0	1.7	1.4	1.6	7.1	14.7	48.0	0.3	1.0	25.6	3.0	3.7	81.0	1,369	848	160	132	108	129	211	+274
Tim Duncan	93.5	3,174	2000-01	SAS	82	38.7	22.2	12.2	3.0	0.9	2.3	3.0	8.6	17.1	49.9	0.1	0.3	25.9	5.0	8.1	61.8	1,820	997	245	70	192	242	247	+692
David Robinson	93.6	2,457	1997-98	SAS	73	33.7	21.6	10.6	2.7	0.9	2.6	2.8	7.5	14.6	51.1	0.0	0.1	25.0	6.6	9.0	73.5	1,574	775	199	64	192	202	204	+356
Kevin Garnett	93.8	2,328	2007-08	BOS	71	32.8	18.8	9.2	3.4	1.4	1.3	1.9	7.5	13.9	53.9	0.0	0.2	0.0	3.8	4.7	80.1	1,337	655	244	100	89	138	163	+736
Hedo Turkoglu	93.8	2,073	2003-04	SAS	80	25.9	9.2	4.5	1.9	1.0	0.4	1.2	3.3	8.1	40.6	1.3	3.0	41.9	1.4	2.0	70.8	739	358	154	80	32	94	165	+466