Mayweather signs six-fight deal with Showtime/CBS; faces Guerrero on 5/4

By Allan Fox: Unbeaten Floyd Mayweather Jr. has reportedly signed a six-fight deal with Showtime/CBS pay per view deal that could take Mayweather to the end of his career. The deal is for 30 months, so Mayweather is going to have to stay active if he's going to squeeze in all of those fights. He's