Welcome to Group Break Checklists, a leading source for your entire sports cards group breaking needs! We're making it easier for collectors to navigate through the trading cards industry by providing all the necessary tools. Whether you’re a baseball cards hobbyist, football cards lover, basketball cards fan, hockey cards enthusiast or a little bit of everything, our comprehensive database has it all. GBC gives you access to information on trading card sets, the number of hits, cheat sheets and sortable checklists. Browse, compare, and find your favorite sports cards.