The Phoenix Suns had the lowest defensive rating by a team in 1977-78, with a 97.0 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	Suns	97.0	1977-78	82	241.2	112.3	45.7	28.5	12.9	4.5	45.5	95.6	47.6	21.3	28.4	75.1	52.0	14.2	31.5	21.5	19,780	9,211	3,745	2,338	1,059	372	1,766	1,956
2	Trail Blazers	97.2	1977-78	82	240.6	107.7	47.2	25.2	9.7	4.8	43.4	89.8	48.3	20.9	27.5	76.0	52.8	14.5	32.8	19.8	19,730	8,829	3,873	2,067	798	390	1,625	2,068
3	SuperSonics	97.7	1977-78	82	241.2	104.5	49.5	21.9	9.5	5.2	42.0	94.1	44.7	20.4	28.7	71.2	48.9	17.8	31.7	20.0	19,780	8,565	4,057	1,799	782	429	1,636	2,008
4	Warriors	99.3	1977-78	82	241.2	106.1	46.5	25.6	10.6	4.9	43.6	93.3	46.7	18.9	25.4	74.5	50.7	14.4	32.1	18.5	19,780	8,698	3,812	2,097	873	405	1,518	2,113
5	Cavaliers	99.4	1977-78	82	242.4	104.4	47.1	21.2	8.4	5.5	42.6	94.0	45.4	19.1	25.8	74.1	49.6	14.5	32.6	16.9	19,880	8,561	3,863	1,740	692	455	1,382	1,832
6	Hawks	99.8	1977-78	82	241.8	103.7	42.9	23.2	11.2	5.0	40.7	88.5	46.0	22.4	28.2	79.3	51.4	14.1	28.8	19.4	19,830	8,506	3,519	1,901	916	408	1,592	2,470
7	Nets	100.2	1977-78	82	242.7	106.7	47.6	22.9	10.5	7.7	43.3	97.6	44.3	20.1	28.1	71.7	48.5	15.9	31.6	21.6	19,905	8,746	3,901	1,879	857	631	1,774	2,312
8	76ers	100.3	1977-78	82	241.8	114.7	48.7	27.1	9.8	6.7	44.2	91.1	48.6	26.3	34.9	75.2	53.9	15.8	32.9	21.4	19,830	9,409	3,993	2,220	800	548	1,752	2,188
9	Bullets	100.5	1977-78	82	241.8	110.3	50.8	23.8	8.1	4.7	43.7	94.8	46.1	23.0	32.4	71.1	50.6	16.5	34.3	19.7	19,830	9,047	4,164	1,948	668	386	1,613	1,879
10	Jazz	100.6	1977-78	82	241.2	107.6	51.4	25.4	8.1	6.3	43.5	94.1	46.2	20.6	28.4	72.5	50.5	16.0	35.5	20.7	19,780	8,826	4,216	2,079	662	514	1,694	1,938
11	Lakers	100.8	1977-78	82	241.5	110.3	46.1	27.2	9.8	5.0	45.5	93.6	48.7	19.2	25.5	75.2	52.6	13.9	32.3	18.9	19,805	9,044	3,783	2,229	802	409	1,548	1,964
12	Celtics	100.9	1977-78	82	241.8	105.7	49.8	24.0	7.8	3.6	42.6	93.1	45.8	20.5	26.3	77.9	50.5	15.1	34.8	20.1	19,830	8,670	4,085	1,969	643	295	1,652	2,033
13	Spurs	101.4	1977-78	82	241.2	114.5	44.2	27.3	9.7	6.7	46.3	92.6	50.0	21.9	27.2	80.4	54.7	12.6	31.6	20.3	19,780	9,385	3,624	2,240	797	553	1,665	1,871
14	Pistons	101.5	1977-78	82	242.1	109.0	46.7	22.4	10.6	4.0	43.3	90.5	47.8	22.3	30.4	73.6	52.4	15.0	31.7	22.7	19,855	8,936	3,830	1,840	866	330	1,858	1,980
15	Nuggets	101.5	1977-78	82	241.8	111.8	47.7	26.7	10.0	5.1	43.3	90.7	47.7	25.2	33.0	76.5	53.1	14.4	33.4	21.3	19,830	9,164	3,913	2,187	824	422	1,748	2,116
16	Pacers	101.9	1977-78	82	241.8	108.6	48.9	24.2	9.9	5.6	42.7	94.9	45.0	23.2	31.3	74.3	50.0	16.9	32.0	20.0	19,830	8,904	4,010	1,982	808	456	1,642	2,230
17	Kings	102.2	1977-78	82	241.8	109.5	46.8	24.3	9.7	4.5	43.9	94.3	46.6	21.6	27.6	78.5	51.4	14.7	32.1	20.6	19,830	8,977	3,840	1,992	794	370	1,690	2,228
18	Knicks	102.2	1977-78	82	244.0	113.4	47.2	28.5	10.0	5.4	46.5	95.4	48.8	20.4	27.1	75.1	52.8	14.4	32.8	21.5	20,005	9,300	3,869	2,338	818	442	1,764	2,193
19	Bucks	102.4	1977-78	82	243.7	112.4	45.4	28.1	10.6	5.8	46.4	96.1	48.2	19.7	27.1	72.6	52.0	15.1	30.2	20.5	19,980	9,214	3,719	2,306	867	472	1,680	2,038
20	Bulls	102.9	1977-78	82	240.9	103.9	46.6	25.8	8.1	3.9	40.6	85.9	47.3	22.7	30.1	75.4	52.4	15.2	31.4	20.3	19,755	8,523	3,825	2,119	665	322	1,667	1,930
21	Braves	103.8	1977-78	82	241.5	105.3	44.2	24.1	7.9	4.0	41.6	89.3	46.6	22.0	28.2	78.1	51.8	13.2	31.0	19.2	19,805	8,634	3,621	1,975	650	327	1,575	2,017
22	Rockets	106.1	1977-78	82	240.6	103.8	45.4	23.7	8.3	3.9	43.0	93.8	45.8	17.9	23.1	77.4	49.9	15.9	29.5	16.8	19,730	8,513	3,722	1,942	683	319	1,376	2,025