The last few months for B.J. Penn have had little to do with MMA. In fact, he says he's spent much of the time sitting on his couch, playing with his children. That's why despite hearing the callouts and fight requests from the likes of UFC welterweight star Josh Koscheck and Strikeforce lightweight champ Gilbert Melendez, he wasn't quite interested enough to stop enjoying his life of leisure while in semi-retirement.All of that changed on Monday when Penn heard that he had been challenged by r… Read entire story...