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Playstation 2 - High Heat Major League Baseball 2003 cheats

Cheat mode
Pause the game while playing, after press Square, Square, Circle, 
Circle, L1, R1. The sound will confirm, if the code accepted.
After, press L1 + L2 + R1 + R2.  The "Ball Cannon" options and 
"Game State" options will be unlocked.