http://www.basketball-reference.com/...tg_active.html
Active Leaders and Records for Defensive Rating
Leaders and Records for Defensive Rating: Season / Career / Active / Season-by-Season
Click on the Player for career statistics and accomplishments.
Note: Defensive Rating available since 1977-78 in NBA and since 1973-74 in ABA.
Minimum requirements
Name DRtg
1 Ben Wallace 93.3
2 Tim Duncan 93.7
3 Marcus Camby 97.2
4 Jermaine O'Neal 98.4
5 Yao Ming 98.6
6 Malik Rose 98.7
7 Kenyon Martin 98.9
8 Dikembe Mutombo 99.1
9 Shawn Marion 99.2
10 Alonzo Mourning 99.3
11 Kevin Garnett 99.5
12 Jeff Foster 99.5
13 Kelvin Cato 99.8
14 Tyson Chandler 100.0
15 Andrei Kirilenko 100.1
16 Rasho Nesterovic 100.4
17 Shaquille O'Neal 100.5
18 Theo Ratliff 100.8
19 Chris Webber 100.8
20 Rasheed Wallace 100.9
21 Jason Kidd 101.0
22 Robert Horry 101.0
23 Kurt Thomas 101.1
24 Ron Artest 101.3
25 Bonzi Wells 101.4
26 Bruce Bowen 101.7
27 Bo Outlaw 101.7
28 Jason Collins 101.7
29 Tony Parker 101.9
30 P.J. Brown 101.9
31 Aaron McKie 102.0
32 Jamaal Magloire 102.1
33 Jamaal Tinsley 102.2
34 Richard Jefferson 102.2
35 Austin Croshere 102.3
36 Zydrunas Ilgauskas 102.3
37 Dirk Nowitzki 102.4
38 Aaron Williams 102.4
39 Dale Davis 102.6
40 Eddie Jones 102.6
41 Paul Pierce 102.6
42 Donyell Marshall 102.8
43 Amare Stoudemire 103.0
44 Hedo Turkoglu 103.1
45 Antonio McDyess 103.1
46 LeBron James 103.1
47 Tracy McGrady 103.1
48 Kirk Hinrich 103.1
49 Baron Davis 103.2
50 Brevin Knight 103.3
Wait... no, he didn't make the top 50.