Top 10 for April, 2003
 

Heavyweight

1. Emelianenko Fedor Russia (649)
2. Rodrigo "Minotauro" Nogueira Brazil (584)
3. Josh Barnett USA (507)
4. Tim Sylvia USA (467)
5. Ricco Rodriguez USA (374)
6. Heath Herring USA (324)
7. Randy Couture USA (273)
8. Gan McGee USA (216)
9. Bob Sapp USA (124)
10. Mirko "CroCop" Filipovic Croatia (75)

Light Heavyweight

1. Vanderlei Silva Brazil (563)
2. Chuck Liddell USA (559)
3. Tito Ortiz USA (549)
4. Ricardo Arona Brazil (454)
5. Quinton "Rampage" Jackson USA (394)
6. Kevin Randleman USA (324)
7. Murilo "Ninja" Rua Brazil (248)
8. Vitor Belfort Brazil (174)
9. Dan Henderson USA (168)
10. Rogerio "Minotoro" Nogueira Brazil (67)

Middleweight
1. Murilo Bustamante Brazil (650)
2. Anderson Silva Brazil (584)
3. Matt Lindland USA (521)
4. Paulo Filho Brazil (454)
5. Kazushi Sakuraba Japan (391)
6. Phil Baroni USA (325)
7. Ivan Salaverry USA (259)
8. Amar Suloev Armenia (164)
9. David Loiseau Canada (162)
10. Jose "Pele" Landi-Jons Brazil (59)

Welterweight
1. Matt Hughes USA (650)
2. Carlos Newton Canada (584)
3. Sean Sherk USA (507)
4. Frank Trigg USA (478)
5. Hayato Sakurai Japan (438)
6. Gil Castillo USA (305)
7. Nathan Marquardt USA (284)
8. Matt Hume USA (197)
9. Kiuma Kunioku Japan (119)
10. Robbie Lawler USA (116)

Lightweight
1. Takanori Gomi Japan (649)
2. Jens Pulver USA (562)
3. B.J. Penn USA (549)
4. Kaoru Uno Japan (449)
5. Din Thomas USA (391)
6. D. Mishima Japan (319)
7. Vitor "Shaolin" Ribeiro Brazil (278)
8. Duane Ludwig USA (194)
9. Javier Vasquez USA (131)
10. Joachim Hansen Norway (64)

Featherweight
1. Alexandre "Pequeno" Nogueira Brazil (635)
2. Joao Roque Brazil (605)
3. Stephen Palling USA (531)
4. Hiroyuki Abe Japan (454)
5. Norifumi "Kid" Yamamoto Japan (415)
6. Jeff Curran USA (335)
7. Hermes Franca Brazil (263)
8. Naoya Uematsu Japan (173)
9. Katsuya Toita Japan (122)
10. Tetsuo Katsuta Japan (62)