Instructions
Press "Start" at the game's title screen and select "Shop."
Press "R" on the Shop screen until "Pitching Forms" is selected if you are playing the game on the Nintendo Wii. If you are playing the game on the PS2, press "R1" until "Pitching Forms" is highlighted.
Scroll down to highlight the pitching form you want to purchase.
Press "A" if you are playing the game on the Nintendo Wii or "X" if you are playing the game on the PS2 to select the highlighted pitching form.
Select "Buy" to purchase the new pitching form.