This is the ranking according to MMA Weekly. The numbers in the brackets are their previous standings.

HEAVYWEIGHT DIVISION (over 205 pounds)
1. Junior Dos Santos (1)
2. Alistair Overeem (2)
3. Cain Velasquez (3)
4. Josh Barnett (4)
5. Brock Lesnar (5)
6. Frank Mir (8)
7. Fabricio Werdum (6)
8. Shane Carwin (7)
9. Daniel Cormier (9)
10. Antonio Rodrigo Nogueira (10)

LIGHT HEAVYWEIGHT DIVISION (205-pound limit)
1. Jon Jones (1)
2. Rashad Evans (2)
3. Dan Henderson (3)
4. Mauricio “Shogun” Rua (4)
5. Quinton Jackson (5)
6. Lyoto Machida (6)
7. Phil Davis (7)
8. Gegard Mousasi (8)
9. Alexander Gustafsson (9)
10. Muhammed “King Mo” Lawal (10)

MIDDLEWEIGHT DIVISION (185-pound limit)
1. Anderson Silva (1)
2. Chael Sonnen (2)
3. Yushin Okami (3)
4. Nathan Marquardt (4)
5. Michael Bisping (5)
6. Mark Munoz (6)
7. Demian Maia (7)
8. Vitor Belfort (8)
9. Brian Stann (9)
10. Alan Belcher (10)

WELTERWEIGHT DIVISION (170-pound limit)
1. Georges St-Pierre (1)
2. Jon Fitch (2)
3. Nick Diaz (3)
4. Carlos Condit (4)
5. Jake Ellenberger (5)
6. Josh Koscheck (6)
7. Jake Shields (7)
8. Thiago Alves (8)
9. Diego Sanchez (9)
10. Ben Askren (10)

For the rest of the weight classes click [Here]