Triple Play Baseball Cheats

After making a player put in SLUGGER for
the name

While running around the bases after hitting a homerun, press Triangle to hear a soft horn, Square to hear a loud horn, or Circle to hear a whistle.

Enter Ichiro as a name when you create a player.

While playing a game, hold L1 + L2 + R1 + R2 and press
Up, Triangle, Right, Circle to unlock all-star teams
from 1970s, 1980s, and 1990s. If you entered the code
correctly, you will hear a sound.