To unlock AFC and NFC teams and the Pro Bowl at the codes option type in ALOHA.
Unstoppable Ball Carrier:
Enter "CAN'T TOUCH THIS" as a code.
Super Jumps and Dives:
Enter "SUPERMAN" as a code.
Cause Fumbles:
Enter "READY TO FUMBLE" as a code. While playing press L2 to cause a fumble.
Reliant Stadium:
Enter "HOWDY" as a code.
Weather in Domes:
Enter "SHAKE IT UP" as a code.
Show Everyone:
Enter "SHOW EVERYONE" as a code