Hold (L1) and press [Circle], (Square) at the main menu.

Go to 'My Madden' at the menu, select 'My Madden', then go to Madden Cards and use 555128 as password

Go to 'My Madden' at the menu, select 'My Madden', then go to Madden Cards and use 614897 as password

Memory Stick Pro Duo maker, San Disk, has signed a deal with EA to put game save data for PSP Madden 06 on its cards. The data allows for the immediate unlocking of several features that would ordinarily take considerable play time to unlock. There's no additional cost for the cards with the data and special packaging indicating the Madden deal will be available at retail on 256MB through 1GB cards.

Change player information, change the players position then trade for player you dont want then change stats back to original stats.

Player has all the stats he started with except you now have him.

In main menu go to my madden edit every players stats up to 99 and then save your rosters. Next start new franchise with rosters loaded and you will have all 99 stats.