Cheat Codes
Choose World Mode/New Career and any boxer. Then enter the code as your name and press Triangle.
Code - Granted Wish
GONE - Invisible boxer
OLD MAN - Unlock John L. Sullivan and The Docks stadium
HURTS - Spinning heads when hit
NECK - Streching necks when hit
CLUBFUD - Unlock Jimmy Flex and Club Fud stadium
NORMAL - Disable all cheats
OUCH - Growing heads when hit
STUPID - Big hands and feet
BONGY - Big heads
BINGY - Small heads