8. Thomas Hearns KO2 Roberto Duran, June 15, 1984 – Hearns showed his power in this fight, dropping Duran twice in the first and ending the fight with a blistering straight right in the second that sent Duran face first to the canvas. (Photo credit: Getty)
8. Thomas Hearns KO2 Roberto Duran, June 15, 1984 – Hearns showed his power in this fight, dropping Duran twice in the first and ending the fight with a blistering straight right in the second that sent Duran face first to the canvas. (Photo credit: Getty)