The founder of the promotional company Top Rank, Bob Arum, shared his thoughts on the next opponent for the winner of the second match between Ukrainian Oleksandr Usyk and British boxer Tyson Fury, BoxNation reports. The rematch between Usyk and Fury will take place on December 21 in the Saudi capital, Riyadh. The boxers will enter the ring at the local Kingdom Arena. In the first match, the Ukrainian emerged victorious. The experienced fight organizer is convinced that IBF champion Daniel Dubois should face the winner of the rematch. According to Arum, the significance of the upcoming fight i…