Major League Baseball 2K7 Xbox 360 Cheats

Get Mickey Mantle:
Input "themick" in the cheat code menu.
 
Temp Power Boost:
To amplify your team’s power for one inning by 25%, input "mightymick" into the cheat code menu.
 
Get Everything:
At the main menu, navigate to My 2k7, choose Enter Cheat Code, and input Derek Jeter.
 
Get All Cheats:
Input the code "Black Sox" at the cheat menu.