World Championship Boxing: Lomachenko vs. Sosa/Gvozdyk vs. Gonzalez
Watch NowHBO World Championship Boxing Preview: Lomachenko vs. Sosa, Gvozdyk vs. Gonzalez, Usyk vs. Hunter By: William Holmes On Saturday night in Oxon Hill, Maryland the Theater at the MGM National Harbor will be the host site for the next installment of HBO World Championships Boxing.