Burger King Trainer You need to go to Career mode and win the Burger King event. At the trainer selection screen, press Down until the Burger King appears as a choice. When you fight he will give you Heart.
Open Every Venue If you want to open every venue then you need to use "NEWVIEW" as a first name in Create Champ mode.
Win Easy in Career Mode You need to go to the options menu and set "Illegal Blows" to "Off". Go to the fight store and buy the illegal head punch called "Elbow Shot". Use it during a fight to counter attack each time your opponent throws a punch. *** Make sure you use the Elbow Shot as a counter attack so that you can connect on you opponent's head. The Elbow Shot does a lot of damage to your opponent and will shortly knock him out or TKO him because you really damage his eyes.
Ko Rey Mo If you want to unlock Ko Rey Mo in the light heavy division in Career mode then you need to defeat him.
Bonus Venues You need to win a match at one of the listed venues in Career mode to unlock it: Madison Square Garden The Staples Center
Always Stay Undefeated If you get knocked down during any fight in Career mode, and you think you are going to get beat, just turn your PlayStation 2 off before the bell rings. Just resume the game and you can start the match again without a loss.
Boxing Styles If you want to unlock random new styles you need to win matches in ESPN Classic Fights mode or Career mode: Hard Straights Hook Master Judge Jab Lethal Uppercuts Philly Shell Sinister Cross Slickster Smooth Textbook Uptight
