MVP Baseball Cheats For PSP
Infinite MVP Points for Buying Secret Players
First you have to save up around 5000 MVP Points. Save your profile. Then buy the Secret Players that you want to get and put them on a team. Then save the rosters. Now load your profile again and you will still have your original amount of MVP points and the player will still be on the team.
Unlock All Rewards
From the "My MVP" menu, Create a player named "Dan Carter". Upon entry of the name there will be a message indicating that the code was successful.