The Seattle SuperSonics had the best defensive rating by a team in 1978-79, with a 100.1 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	SuperSonics	100.1	1978-79	82	240.9	106.6	47.6	24.1	8.4	4.9	42.7	91.3	46.8	21.1	28.0	75.4	51.4	16.0	31.6	19.3	19,755	8,740	3,901	1,973	690	398	1,586	1,914
2	76ers	100.3	1978-79	82	241.5	109.5	47.1	27.5	9.5	7.3	43.7	89.5	48.8	22.1	29.4	75.3	53.5	14.0	33.1	21.6	19,805	8,983	3,861	2,253	779	599	1,771	2,072
3	Nets	101.8	1978-79	82	240.9	107.7	44.0	23.3	10.4	7.5	42.2	91.7	46.0	23.2	31.9	72.9	50.9	15.1	28.9	22.7	19,755	8,832	3,611	1,907	853	619	1,861	2,329
4	Kings	101.9	1978-79	82	242.1	113.1	43.8	27.3	10.1	4.8	45.9	93.2	49.2	21.3	29.2	73.0	53.3	14.5	29.3	19.9	19,855	9,274	3,595	2,239	825	390	1,631	2,419
5	Warriors	102.0	1978-79	82	241.2	105.1	44.9	25.2	9.4	5.1	44.2	90.9	48.7	16.7	22.8	73.0	52.1	14.3	30.6	18.3	19,780	8,621	3,682	2,064	774	420	1,500	2,023
6	Suns	102.4	1978-79	82	241.2	115.4	42.2	30.5	11.2	4.1	46.9	91.7	51.2	21.5	28.0	76.8	55.5	13.2	29.0	21.5	19,780	9,459	3,462	2,500	915	337	1,760	1,944
7	Spurs	102.4	1978-79	82	241.8	119.3	45.3	28.2	10.1	6.2	47.9	94.6	50.6	23.5	29.5	79.5	55.4	13.4	31.9	20.1	19,830	9,780	3,715	2,313	829	509	1,652	2,071
8	Bullets	102.7	1978-79	82	241.2	114.9	49.7	26.5	7.5	4.9	46.6	96.0	48.5	21.8	29.6	73.5	52.7	16.0	33.8	17.3	19,780	9,423	4,077	2,169	614	401	1,420	1,803
9	Trail Blazers	103.1	1978-79	82	241.2	108.4	45.0	23.7	9.5	6.2	43.2	89.5	48.3	22.0	28.8	76.5	53.0	15.3	29.7	20.2	19,780	8,888	3,691	1,946	776	512	1,658	2,187
10	Lakers	103.2	1978-79	82	241.2	112.9	42.8	28.5	9.7	6.1	46.7	90.2	51.7	19.6	25.5	76.9	55.7	11.6	31.2	19.1	19,780	9,260	3,506	2,338	793	500	1,569	1,851
11	Nuggets	103.2	1978-79	82	240.3	110.7	47.6	26.4	8.2	5.1	42.9	89.2	48.1	25.0	34.6	72.0	53.0	15.9	31.7	20.3	19,705	9,080	3,903	2,166	673	416	1,666	2,106
12	Hawks	103.6	1978-79	82	242.1	109.1	45.4	23.6	9.8	7.3	42.7	90.4	47.3	23.7	30.9	76.6	52.5	16.8	28.5	18.6	19,855	8,950	3,722	1,938	801	596	1,523	2,424
13	Bucks	104.0	1978-79	82	242.4	114.1	43.0	31.2	10.5	5.3	47.6	94.8	50.3	18.8	24.6	76.2	54.0	14.1	28.9	19.2	19,880	9,353	3,527	2,562	862	435	1,574	2,106
14	Pacers	104.5	1978-79	82	240.3	108.6	45.8	24.5	8.4	5.1	43.6	91.8	47.5	21.5	28.3	75.9	52.1	14.9	30.9	18.7	19,705	8,909	3,755	2,005	687	416	1,536	2,093
15	Pistons	104.6	1978-79	82	241.2	110.0	44.9	25.5	10.3	6.7	45.2	95.1	47.5	19.6	27.3	71.7	51.3	15.9	29.0	19.5	19,780	9,023	3,683	2,092	847	550	1,599	2,141
16	Bulls	105.1	1978-79	82	241.2	104.7	46.0	26.5	7.0	4.0	42.4	86.7	48.9	19.9	26.6	74.7	53.2	14.9	31.0	22.1	19,780	8,588	3,768	2,169	576	324	1,813	1,970
17	Knicks	105.4	1978-79	82	241.2	107.7	44.3	25.9	8.5	4.8	44.8	92.1	48.7	18.0	25.7	70.0	52.0	14.6	29.6	19.6	19,780	8,830	3,630	2,121	699	397	1,605	2,154
18	Jazz	105.4	1978-79	82	240.3	108.3	47.7	25.4	9.3	6.8	42.9	91.6	46.8	22.5	29.4	76.7	51.8	15.0	32.6	21.5	19,705	8,882	3,910	2,079	760	559	1,764	1,940
19	Celtics	106.4	1978-79	82	240.0	108.2	42.9	24.3	8.7	3.5	43.0	89.6	48.0	22.2	28.3	78.4	53.0	13.6	29.2	20.9	19,680	8,874	3,515	1,995	710	283	1,713	1,977
20	Cavaliers	107.3	1978-79	82	240.0	106.5	42.5	21.9	8.4	4.1	43.4	92.7	46.8	19.8	25.6	77.0	51.2	15.0	27.5	16.8	19,680	8,732	3,485	1,796	688	334	1,376	2,027
21	Rockets	107.7	1978-79	82	241.2	113.4	45.9	28.1	7.7	3.5	45.4	91.4	49.7	22.5	28.4	79.2	54.5	15.3	30.5	18.4	19,780	9,297	3,760	2,302	632	286	1,510	2,001
22	Clippers	107.9	1978-79	82	240.6	113.1	46.4	18.8	8.6	4.8	45.4	94.0	48.3	22.4	30.1	74.3	52.8	17.0	29.4	19.8	19,730	9,278	3,805	1,539	703	392	1,623	2,127