Most valuable brands in world sport

10. Rafael Nadal - $US 10 million ($11 million)

9. Lionel Messi - $US 12 million ($14 million)

8. Kobe Bryant - $US 15 million ($17 million)

7. Cristiano Ronaldo - $US 17 million ($19 million)

6. Usain Bolt - $US 19 million ($22 million)

5. Mahendra Singh Dhoni - $US 20 million ($23 million)

4. Phil Mickelson - $US 29 million ($33 million)

3. Roger Federer - $US 32 million ($36 million)

2. Tiger Woods - $US 36 million ($41 million)

1. LeBron James - $US 37 million ($42 million)

Take a look at the top 10 most valuable brands in world sport, according to Forbes magazine.