Klitschko's boxing career is nearing an end, but he holds out hope that British fighter David Haye will end his short retirement and agree to a bout next year.

CNN: Klitschko: Euro 2012 can change Ukraine

Even as he eyes inevitable retirement from boxing, Klitschko says he will not focus entirely on politics, maintaining an active role in the children's charity he runs with younger brother Wladimir, also a world heavyweight champion.

CNN: STORY HIGHLIGHTS

Bell has been training with Barrington Patterson, who once fought current world heavyweight boxing champion Vitali Klitschko, to improve his fitness.

BBC: Thursday's Ashes gossip column