The Chicago Bulls had the lowest defensive rating by a team in 1973-74, with a 93.6 rating.

	TEAM	DRTG	SEASON	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF
1	Bulls	93.6	1973-74	82	241.2	102.0	45.8	22.8	9.3	3.9	40.1	90.0	44.6	21.8	28.2	77.1	49.8	13.9	31.9	20.6	19,780	8,368	3,759	1,868	764	316	1,690	1,874
2	Bucks	93.6	1973-74	82	240.9	107.1	49.0	27.1	8.9	6.3	45.4	92.3	49.2	16.2	21.2	76.3	52.7	13.8	35.1	20.7	19,755	8,780	4,014	2,225	726	519	1,694	1,864
3	Pistons	93.8	1973-74	82	240.9	104.4	47.3	23.9	9.7	5.1	42.1	91.6	45.9	20.2	26.4	76.4	50.5	14.6	32.7	21.5	19,755	8,560	3,881	1,956	793	419	1,763	1,930
4	Bullets	94.2	1973-74	82	240.6	101.9	50.9	21.6	8.6	5.4	42.4	96.2	44.1	17.0	22.8	74.5	48.0	15.7	35.2	19.1	19,730	8,353	4,173	1,770	703	441	1,568	1,746
5	Knicks	94.7	1973-74	82	241.2	101.3	44.9	23.6	6.8	3.4	42.4	91.3	46.5	16.5	21.2	77.7	50.4	11.7	33.2	17.8	19,780	8,306	3,684	1,937	554	277	1,463	1,884
6	Celtics	95.1	1973-74	82	241.2	109.0	54.3	26.7	6.8	3.7	44.3	97.2	45.6	20.5	25.6	80.0	50.3	16.8	37.5	21.9	19,780	8,937	4,452	2,187	561	305	1,796	1,868
7	Lakers	96.6	1973-74	82	240.9	109.2	52.9	26.6	9.7	8.0	43.1	95.2	45.3	22.9	29.8	76.9	50.4	16.6	36.2	23.3	19,755	8,951	4,335	2,179	794	653	1,913	2,032
8	Warriors	98.4	1973-74	82	240.3	109.9	53.8	24.3	8.1	5.5	45.4	97.8	46.4	19.1	24.6	77.8	50.6	16.8	37.0	20.3	19,705	9,011	4,414	1,989	668	450	1,667	1,893
9	Hawks	99.0	1973-74	82	240.9	108.6	48.2	24.3	9.2	4.0	43.9	94.4	46.5	20.8	27.6	75.2	51.0	15.1	33.1	22.2	19,755	8,907	3,952	1,993	758	332	1,823	2,073
10	76ers	99.0	1973-74	82	240.6	101.2	46.4	21.9	9.2	2.7	40.6	93.9	43.2	19.9	25.8	77.1	48.0	14.4	32.0	20.3	19,730	8,295	3,808	1,799	756	220	1,665	1,964
11	SuperSonics	99.1	1973-74	82	240.9	107.0	49.1	25.7	8.4	3.6	43.7	98.2	44.5	19.6	25.5	76.7	48.9	16.1	33.0	19.8	19,755	8,774	4,029	2,106	689	294	1,622	2,074
12	Braves	99.4	1973-74	82	241.8	111.6	48.5	26.4	9.6	7.3	45.5	94.7	48.0	20.7	27.1	76.5	52.4	14.0	34.5	22.3	19,830	9,155	3,980	2,165	786	600	1,828	1,875
13	Kings	99.5	1973-74	82	240.3	102.0	44.7	21.3	9.7	4.7	41.1	89.5	45.9	19.9	25.7	77.4	50.6	13.6	31.1	21.8	19,705	8,366	3,666	1,744	796	384	1,791	1,916
14	Cavaliers	100.1	1973-74	82	240.9	100.3	45.9	25.0	7.3	3.6	41.7	94.9	43.9	16.8	21.8	77.2	48.0	15.5	30.4	18.8	19,755	8,221	3,767	2,048	598	293	1,545	1,925
15	Rockets	100.5	1973-74	82	242.1	107.4	44.5	27.0	8.9	5.0	43.5	90.6	48.0	20.5	25.3	81.2	52.8	13.0	31.6	20.5	19,855	8,810	3,651	2,212	727	407	1,681	2,104
16	Suns	101.3	1973-74	82	240.9	107.9	46.5	25.0	8.0	3.7	43.4	94.2	46.0	21.2	27.3	77.7	50.8	13.3	33.2	20.3	19,755	8,847	3,813	2,052	658	305	1,666	2,123
17	Trail Blazers	102.6	1973-74	82	240.6	106.8	47.0	25.7	9.7	4.2	43.7	93.7	46.7	19.4	25.8	75.3	50.9	15.3	31.7	22.2	19,730	8,761	3,852	2,106	797	342	1,823	2,050