Madden NFL 07 Codes -

QB On Target card
Enter WROA0R as a code. Your Quarterback will have 100% accuracy for one half. 

Mistake Free card
Enter XL7SP1 as a code. It will be impossible to throw an interception or fumble the ball for one half. 

Lame Duck card
Enter 5LAQO0 as a code. Your opponent will be forced to throw lob passes for one half.