Eleven-Time World Chanmpion Floyd Mayweather addresses members of the media on July 14, 2014 in Washington DC at the press conference to announce his world title rematch against Former Two- Division World Champion Marcos Maidana on September 13, 2014 at the MGM Grand Garden Arena in Las Vegas live on SHOWTIME PPV®. The two fighters arrived very late due to travel issues. This was the second stop of their five city tour, which began on Monday afternoon at Times Square in New York City and will end this Friday in Los Angeles. Click Here For New York Press Photos. Washington Photos by Louis Tinsley/Hoganphotos.