Various cheats
     Go to the main menu and go to the ENTER CHEAT spot

Cheat code:        Effect:
Derek Jeter        Unlocks Everything
themick            Unlocks Mickey Mantle in free agency
mightymick         Boosts a team's power rating 25% for 1 inning.
triple crown       Boosts the hitting of the 3,4,5 hitters 
                   in the lineup 50% for 1 game.
m4murder           Boosts your ability to hit home runs 
                   during the game just like The Mick.
phmantle           Mickey will pinch hit.