Badu Jack will perform at the Usyk-Joshua evening

Former world champion in two weight classes badu jack (26-3-3, 16 KOs) will have his next fight in the pro ring on August 20 in Saudi Arabia against Richard Rivera (21-0, 16 KOs).

The 38-year-old Swede, who previously held the championship belts in super middleweight and light heavyweight, spent his last fights in the first heavyweight. Rivera's last fight was in April.

The main event of the August evening will be a rematch between Anthony Joshua and Oleksandr Usyk for three heavyweight championship belts. Boxing fans will also see an IBF heavyweight eliminator between Filip Hrgovic and Zhang Zhilei and a WBC light heavyweight eliminator between Callum Smith and Mathieu Boderlik.