Current MMAWeekly World MMA Rankings, which are up-to-date as of May 12

HEAVYWEIGHT DIVISION (over 205 pounds)

#1 Heavyweight Fighter in the World: Fedor Emelianenko

2. Brock Lesnar

3. Shane Carwin

4. Cain Velasquez

5. Junior Dos Santos

6. Frank Mir

7. Brett Rogers

8. Antonio Rodrigo Nogueira

9. Alistair Overeem

10. Fabricio Werdum

LIGHT HEAVYWEIGHT DIVISION (205-pound limit)

#1 Light Heavyweight Fighter in the World: Mauricio "Shogun" Rua

2. Lyoto Machida

3. Rashad Evans

4. Quinton Jackson

5. Anderson Silva

6. Antonio Rogerio Nogueira

7. Forrest Griffin

8. Jon Jones

9. Muhammed “King Mo” Lawal

10. Gegard Mousasi

MIDDLEWEIGHT DIVISION (185-pound limit)

#1 Middleweight Fighter in the World: Anderson Silva

2. Chael Sonnen

3. Jake Shields

4. Nathan Marquardt

5. Demian Maia

6. Dan Henderson

7. Robbie Lawler

8. Jorge Santiago

9. Yoshihiro Akiyama

10. Yushin Okami

WELTERWEIGHT DIVISION (170-pound limit)

#1 Welterweight Fighter in the World: Georges St. Pierre

2. Jon Fitch

3. Thiago Alves

4. Josh Koscheck

5. Paulo Thiago

6. Paul Daley

7. Matt Hughes

8. Dan Hardy

9. Nick Diaz

10. Martin Kampmann

LIGHTWEIGHT DIVISION (160-pound limit)

#1 Lightweight Fighter in the World: Frankie Edgar

2. B.J. Penn

3. Gilbert Melendez

4. Shinya Aoki

5. Kenny Florian

6. Eddie Alvarez

7. Tatsuya Kawajiri

8. Gray Maynard

9. Ben Henderson

10. Jim Miller

FEATHERWEIGHT DIVISION (145 pound-limit)

#1 Featherweight Fighter in the World: Jose Aldo

2. Manny Gamburyan

3. Mike Brown

4. Urijah Faber

5. Raphael Assuncao

6. Hatsu Hioki

7. "Lion" Takeshi Inoue

8. Leonard Garcia

9. Bibiano Fernandes

10. Josh Grispi

BANTAMWEIGHT DIVISION (135 pounds or less)

#1 Featherweight Fighter in the World: Dominick Cruz

2. Brian Bowles

3. Joseph Benavidez

4. Miguel Torres

5. Scott Jorgensen

6. Damacio Page

7. Takeya Mizugaki

8. Brad Pickett

9. Masakatsu Ueda

10. Charlie Valencia