Here are some cheats and tips for the game All-Star Baseball 2004.
Taunt crowd:
When playing an away game, hit a homerun and press L3 when running the bases to
taunt the crowd.
Homerun celebration:
Press R1 when you are running the bases after hitting a homerun. Your player
will blow kisses to the crowd. If you continue pressing R1, your player will
jump on home plate.