ATLANTIC CITY, NJ - JANUARY 28: (FILE PHOTO) Arturo Gatti comes out from his corner during his IBA Welterweight Championship fight against Thomas Damgaard at Caesars Atlantic City on January 28, 2006 in Atlantic City, New Jersey. Former world champion boxer Arturo Gatti, aged 37, has been found dead in a hotel room in Brazil. The cause of death has yet to be determined.