Sergey Kovalev vs. Nadjib Mohammedi this Saturday, July 25th on HBO

By Allan Fox: IBF/WBA/WBO light heavyweight champion Sergey Kovalev (27-0-1, 24 KOs) will be defending his titles this Saturday night on July 25th against #1 IBF Nadjib Mohammedi (37-3, 23 KOs) on HBO