At the main menu, select My Madden, select Madden Cards, select Madden Codes, and then enter the following passwords to unlock the corresponding cheats. If you entered a password correctly, you’ll see a confirming message onscreen.
NOTE: Passwords are case-sensitive.
Effect / Password
Lame Duck / 5LAWO0
Mistake Free / XL7SP1
Quarterback on Target / WROA0R