Various Cheats
     In Championship Mode, enter any of the following "Names" as a gym
name:

Name                    Effect
CHAMP                   Champ Class Boxers
GOLD                    Gold Class Boxers
SILVER                  Silver Class Boxers
BRONZE                  Bronze Class Boxers

Cheap Vitamins
     Train  your  boxer in Championship Mode. Go to Aerobics and press
Left,  then  press  A  quickly. If done correctly, you will purchase a
$25,000  vitamin bottle for $500. Also, you can do this for any of the
training material.