Deontay Wilder knocked out Dominic Breazeale in a single round. Wilder's win sent a violent message to the rest of the heavyweight division, but particularly to his main rival Anthony Joshua. Wilder later promised that a fight against Joshua "will happen." Wilder's stoppage win earned him praise from the UFC fighter Conor McGregor, who marveled on Twitter at the American's "demolition job." Visit Business Insider's homepage for more stories. Deontay Wilder just sent a chilling message to the rest of the heavyweight division.