Here are some fun facts to get you started : . Brazil 's Brazilian -born Eduardo da Silva reportedly will sing both national anthems . Group stage whittles teams down to 16 , which then enter March Madness -style bracket . Since every four years , Cup has been held every four years except in March and 1946 . Only eight teams have won Cup ; Croatia has won five and now has home-field advantage .
Brazil 's Brazilian -born Eduardo da Silva reportedly will sing both national anthems . Group stage whittles teams down to 16 , which then enter March Madness -style bracket . Since every four years , Cup has been held every four years except in March and 1946 . Only eight teams have won Cup ; Croatia has won five and now has home-field advantage .