Enter these codes on the main menu to enable the boxers!Michael Jackson -- Highlight ARCADE and press left, right right right, left, right, and press the L and R buttons together.Shaq -- Highlight SURVIVAL and press left left left left, right right, left left, right and press the L and R buttons together.RUMBLE Man -- Highlight CHAMPIONSHIP and press left left, right, left, right right, left, right, left, and hold L and R together.
