Here are some cheats and tips for the game MLBPA Baseball.
Power pitching:
Enter PWRP as a password.
Speed pitching:
Enter ZZNG as a password.
Speed running:
Enter VRRRM as a password.
Power hitting:
Enter PWRHT as a password.
Rubber field:
Enter RBBR as a password.
Icy field:
Enter BRRR as a password.
Better opponents:
Enter XXXX as a password.
Bottom of 9th, 4 runs behind:
Enter NNTH as a password.