High Heat Baseball 2003 Codes -

Cheat mode:)
Pause your game and press (x2), (x2), , . A sound will confirm this portion of the code. Then, press + + + . The "Ball Cannon" (set pitch physics) and "Game State" (edit game parameters) options will now be unlocked.

Hold + + + after your batter has been beaned and he will continue to  taunt the pitcher. Continue to hold those buttons, but now hold , as well to charge the pitcher and start a fight. But note that your player will be ejected.