RIYADH: Heavyweight champions Tyson Fury and Francis Ngannou faced off in a press conference on Thursday in Riyadh prior to upcoming professional boxing match Battle of the Baddest.Heavyweight boxing champion of the world Tyson Fury challenged his opponent, saying: “Ngannou is a strong man with a powerful punch, but ultimately, why am I the world champion?” His opponent, heavyweight MMA champion Francis Ngannou, replied: “Yes, Fury is the best in boxing, but this will end on Saturday.” The two will face off in the ring on Saturday in Riyadh, with other talents including Jack McGann and Carlos Takam.