Las Vegas, Nevada - Luis Sandoval catches up with WBC welterweight champion Floyd Mayweather Jr., who was hitting away at the heavy bag as he prepares for his upcoming unification with WBA champion Marcos Maidana. The fight is taking place on May 3rd from the MGM Grand. Showtime Pay-Per-View will televise the contest. Maidana is coming off the biggest victory of his career, a December twelve round unanimous decision over previously undefeated Adrien Broner, who happens to be close friends with Mayweather.