Click here to get it.
From the site:
All you have to do to receive free sports cards is follow 2 simple steps:
Step 1: “Like” the Breaker Brothers Facebook Page (honor system).
Step 2: Fill out the form on their site (see link above) with your contact information and favorite sports team. That is all you have to do and free trading cards will be sent. Be sure to tell your friends about your favorite sports card site!