Extra player creation points
Note: This trick requires a VMU. Create a player and use all available ability points. Save your player to a VMU, then turn off the game. Start the game again, go to player edit, and choose your player. Add the extra ability points.

Automatic batting aim
Select the rookie difficulty setting. Hold the Analog-stick slightly in any direction while batting and the batting cursor will automatically follow the ball.

Harder throws
While playing defense, press A and the direction of the base you want to throw to immediately before the CPU catches the ball.

Better defense
Place the game on a harder difficulty setting for a better defense. However, the opposing team will be more difficult to defeat.

Fireworks
Hit a homerun with the home team in their stadium during a night game.