Former undisputed heavyweight champion Oleksandr Usyk is eyeing a return to cruiserweight to fight David Benavidez before retiring from boxing, says his adviser. Two-time undisputed heavyweight champion Oleksandr Usyk has turned the tables on the notion his career is wining down by calling for a clash with David Benavidez. Oleksandr Usyk’s team director Sergey Lapin has said 2027 is being viewed ‘as the final chapter’ of the legendary boxer’s career.