Heavyweight 
1. Cain Velasquez (9-0)
2. Brock Lesnar (5-2)
3. Fabricio Werdum (14-4-1)
4. Junior dos Santos (12-1)
5. Shane Carwin (12-1)
6. Frank Mir (14-5)
7. Antonio Silva (16-2)
8. Fedor Emelianenko (31-3, 1 NC)
9. Alistair Overeem (34-11, 1 NC)
10. Roy Nelson (15-5)


Light Heavyweight 
1. Jon Jones (13-1)
2. Mauricio "Shogun” Rua (19-5)
3. Rashad Evans (15-1-1)
4. Quinton "Rampage” Jackson (31-8)
5. Lyoto Machida (16-2)
6. Forrest Griffin (18-6)
7. Ryan Bader (12-1)
9. Antonio Rogerio Nogueira (19-5)
10. Dan Henderson (27-8)


Middleweight 
1. Anderson Silva (28-4)
2. Chael Sonnen (25-11-1)
3. Yushin Okami (26-5)
4. Nate Marquardt (31-10-2)
5. Ronaldo "Jacare” Souza (14-2, 1 NC)
6. Demian Maia (14-2)
7. Jorge Santiago (23-8)
8. Vitor Belfort (19-9)
9. Michael Bisping (21-3)
10. Hector Lombard (28-2-1, 1 NC)

Welterweight 
1. Georges St. Pierre (21-2)
2. Jon Fitch (23-3-1, 1 NC)
3. Thiago Alves (18-7)
4. Jake Shields (26-4-1)
5. Josh Koscheck (15-5)
6. Nick Diaz (25-7, 1 NC)
7. B.J. Penn (16-7-2)
8. Carlos Condit (26-5)
9. Paul Daley (27-10-2)
10. Diego Sanchez (23-4)

Lightweight
1. Frankie Edgar (13-1-1)
2. Gilbert Melendez (19-2)
3. Gray Maynard (10-0-1, 1 NC)
4. Shinya Aoki (27-5, 1 NC)
5. Eddie Alvarez (22-2)
6. Kenny Florian (13-5)
7. Jim Miller (20-2)
8. Anthony Pettis (13-1)
9. Tatsuya Kawajiri (27-7-2)
10. Sean Sherk (36-4-1)