Baseball Boss by Challenge Games

Baseball Boss by Challenge Games

What do baseball card collections, #Facebook and Fantasy Baseball have in common ? Baseball Boss: the application that enables you to display, collect and trade cards, play fantasy baseball and connect with other card-collecting geeks on Facebook. I am not certain that Neftali Feliz, rookie pitcher for the Texas Rangers, has his own card yet. But that would be a great card to nab for its future trading potential.