Cheats > PlayStation > PSP > Major League Baseball 2K12

Cheats for Major League Baseball 2K12 on PSP.
Note: This game is also referred to as MLB 2K12.

Unlock everything:
From the main menu go to My 2K12, then go to Enter Cheat Code. Enter the following code to unlock everything:
Justin Verlander
If entered correctly a message will pop up reading “You have unlocked everything. Have fun!”