Oleksandr Usyk has dismissed rumors that Tyson Fury might withdraw from their rematch on December 21, highlighting that Fury stands to lose significant earnings if he pulls out. Usyk, who defeated Fury in May to become the undisputed heavyweight champion, says he is better prepared for the rematch after learning from their first fight. Meanwhile, Fury has been engaging in unconventional training methods, including Muay Thai and karate, as part of his preparations. There is speculation among fans about Fury's commitment, but he continues to share training videos on social media. Both fighters appear focused on their upcoming bout in Riyadh, Saudi Arabia.