Rocky Balboa cheats and cheat codes for Sony PSP

Win the following matches in Historical Fights mode:

Unlock Apollo Creed (Rocky IV):
Win the "Apollo Creed vs. Ivan Dragon" match.

Unlock Mason "The Line" Dixon:
Win the "Rocky Balboa vs. Mason Dixon" match.

Rocky V:
Win the "Mason Dixon vs. Rocky Balboa" match.

Unlock Mason "The Line" Dixon:
Win the "Rocky Balboa vs. Mason Dixon" match.

Unlock Dave Fossan:
Win the "Rocky Balboa vs. Cluber Lang 1" match.

Unlock Joe Czak:
Win the "Clubber Lang vs. Rocky Balboa 2" match.