article_snippet.sent: Wladimir Klitschko, as Wladimir Klitschko makes a rare appearance in the US this Saturday, admits that at 39 Wladimir Klitschko has to start considering when Wladimir Klitschko might hang up those huge gloves.
article_snippet.sent: Wladimir Klitschko has admitted that Wladimir Klitschko is considering retirement as Wladimir Klitschko approaches Wladimir Klitschko 40th birthday .
article_snippet.sent: Wladimir Klitschko says: 'I do have to start thinking about retirement.'
highlights_snippet.sent: Wladimir Klitschko admits that Wladimir Klitschko is considering retirement .
  