Juggling And Other Cool Tricks
While you are in training, or in a game, press and hold Left-C. The player will start doing tricks, such as rolling the ball up on his foot and juggling it around on his knee and feet and head. Different players have different tricks.
If you finish the league at any difficulty, and win, you can play against the World Stars. When you win the World Series at level 4 and defeat the World Stars, you'll have access to 5 more hidden teams. The teams are: Euro Stars A, Euro Stars B, African Stars, Asian Stars, All American Stars.
Complete the International Cup on Level 4 or higher. Once you have viewed the end sequence go to create player. At the "head select" screen press the Left Shoulder button. This will take you to page 11 and a selection of strangely unusual heads.
Extra Faces In Player Creation Screen
Complete the International Cup on Level 4 or higher to get clowns faces and aliens faces as choices in create a player.
When creating a player, at the point disribution, press C-up for more abillities for your created player.
Big Head Mode
Wait for the words "Press Start" to flash on the title screen. Now press C-Up, C-Up, C-Down, C- Down, C-Left, C-Right, C-Left, C-Right, B, A. Now hold the Z button and press Start. You'll hear the announcer shout to confirm the code.