FILE - In this May 29, 2010 file picture Fritz Sdunek , coach of boxer champion Vitali Klitschko of Ukraine attends a media workout session in Going, Austria. A German boxing official says that Fritz Sdunek, who coached Vitali and Wladimir Klitschko among other champions, has died. He was 67. German news agency dpa reported that the head of the Federation of German Professional Boxers, Thomas Puetz, said Sdunek died on Monday Dec. 22, 2014 following a heart attack. (AP Photo/Kerstin Joensson,File)