WWE WrestleMania 21 Cheats

Go to Exhibition mode, Single, and choose a singles match. When you get to the superstar choose screen choose Big Show as player one. Hit back and return to the controler set-up screen. Hit A again and to go to the superstar set up screen. Move down and Big Show 2003 will be available to play as in any Singles match.
NOTE: If you play any other match type (tag,trip. threat,rumble) the glitch will not work again until you reset the x-box.

Normally when you create a superstar offline, you can not use it on Live. However, if you go into CAS mode while signed into Live, you can simply duplicate your superstar and now that clone will work on or offline. You still need to be signed into Live to be able to edit him though.

When you go to create a wrestler, You can easily gain 1 free strength attribute point. To do this, click on attributes when creating a wrestler. Scroll down the list of selectable attributes quickly and you should see that an extra strength attribute point has been added. Note - This trick can only be used once for each CAW.