The Detroit Pistons had the lowest defensive rating by a team in the 1990 playoffs, with a 102.2 rating.

	TEAM	DRTG	SEASON	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF
1	Pistons	102.2	1989-90	20	241.3	101.8	43.7	21.1	6.7	4.5	38.6	81.9	47.1	3.1	8.4	36.9	21.6	28.7	75.1	53.8	14.0	29.8	15.1	4,825	2,035	874	421	134	90	302	502
2	Spurs	106.1	1989-90	10	247.5	117.0	48.3	30.4	8.5	6.2	47.9	95.3	50.3	0.5	2.9	17.2	20.7	29.5	70.2	54.0	15.6	32.7	16.8	2,475	1,170	483	304	85	62	168	277
3	Bulls	106.2	1989-90	16	240.0	101.9	40.1	22.8	8.6	4.3	38.1	81.4	46.9	2.7	8.9	30.3	22.9	30.2	76.0	53.8	13.1	27.1	14.4	3,840	1,630	642	365	138	69	230	409
4	Suns	107.3	1989-90	16	240.0	108.1	43.9	23.0	6.7	4.9	39.7	83.3	47.7	2.3	7.2	31.3	26.5	33.6	79.0	55.2	12.3	31.6	15.5	3,840	1,730	703	368	107	79	248	372
5	Trail Blazers	108.0	1989-90	21	244.8	107.1	44.2	23.5	8.7	5.4	39.3	88.4	44.5	3.1	9.3	33.3	25.4	34.9	72.7	51.6	15.5	28.7	16.0	5,140	2,250	929	494	183	114	337	560
6	Jazz	109.5	1989-90	5	240.0	102.4	40.6	25.4	8.6	5.8	40.4	87.6	46.1	3.2	9.6	33.3	18.4	25.4	72.4	51.8	13.0	27.6	12.8	1,200	512	203	127	43	29	64	142
7	Lakers	110.0	1989-90	9	240.0	106.1	40.2	25.0	8.7	5.7	40.3	80.9	49.9	2.8	9.6	29.1	22.7	28.3	80.0	56.8	12.4	27.8	15.8	2,160	955	362	225	78	51	142	211
8	Cavaliers	111.3	1989-90	5	240.0	106.8	40.8	27.4	6.6	4.6	40.2	77.8	51.7	2.2	7.0	31.4	24.2	31.2	77.6	58.3	9.2	31.6	13.0	1,200	534	204	137	33	23	65	111
9	Mavericks	112.8	1989-90	3	240.0	100.3	40.0	20.3	8.0	5.7	38.3	81.0	47.3	3.0	9.7	31.0	20.7	27.0	76.5	54.0	11.3	28.7	18.0	720	301	120	61	24	17	54	82
10	Rockets	114.0	1989-90	4	240.0	97.8	39.0	22.8	9.0	6.5	38.3	84.5	45.3	2.8	10.0	27.5	18.5	27.8	66.7	50.5	15.3	23.8	14.5	960	391	156	91	36	26	58	87
11	76ers	115.0	1989-90	10	240.0	102.1	39.9	22.8	6.3	4.9	37.9	79.9	47.4	2.6	8.2	31.7	23.7	30.8	76.9	54.6	12.8	27.1	15.0	2,400	1,021	399	228	63	49	150	216
12	Nuggets	116.1	1989-90	3	240.0	114.3	44.0	28.7	9.3	4.7	43.3	98.7	43.9	2.7	10.7	25.0	25.0	28.7	87.2	51.4	13.0	31.0	12.7	720	343	132	86	28	14	38	77
13	Knicks	116.6	1989-90	10	240.0	105.0	39.4	26.8	8.4	3.4	40.3	84.5	47.7	2.5	6.9	36.2	21.9	28.5	76.8	54.1	13.0	26.4	13.3	2,400	1,050	394	268	84	34	133	231
14	Pacers	117.4	1989-90	3	240.0	91.7	36.3	17.3	3.7	2.3	35.0	76.0	46.1	1.7	7.7	21.7	20.0	24.3	82.2	52.9	11.0	25.3	14.7	720	275	109	52	11	7	44	77
15	Bucks	117.4	1989-90	4	240.0	101.0	33.5	22.5	9.0	4.8	35.0	73.3	47.8	3.8	10.8	34.9	27.3	35.5	76.8	56.8	10.0	23.5	17.0	960	404	134	90	36	19	68	119
16	Celtics	118.4	1989-90	5	240.0	118.8	40.0	30.2	6.8	6.0	45.6	83.2	54.8	1.6	6.8	23.5	26.0	30.2	86.1	61.6	11.8	28.2	17.4	1,200	594	200	151	34	30	87	106