Fantasy Stadiums and Teams
At the main menu hold Triangle + Square + R1

Codes are entered at the VS Screen:

Big Head Mode
Right, Square, Square

Extra Time After Play
Left, Square, Triangle, Triangle, Circle, Circle, Circle

Max Batting
Left, Square, Square, Square

Max Power
Left, Triangle, Triangle, Triangle

Max Speed
Left, Circle, Circle, Circle

Rubber Ball Mode
Up, Square, Square, Triangle, Triangle, Triangle, Triangle,
Circle, Circle

Softball Mode
Down, Square, Square, Triangle, Triangle,Triangle,
Triangle,Circle, Circle

Tiny Head Mode
Left, Square, Square

Unlimited Turbo
Down,Square,Square,Square,Square,Triangle,Triangle,Triangle,
Triangle,Circle,Circle,Circle,Circle