Marvellous Marvin Hagler vs. Thomas Hearns (originally billed as "The Fight", referred to afterwards as "The War" was a world middleweight championship boxing match between undisputed champion Marvin Hagler and challenger Thomas Hearns, the world junior middleweight champion, who had gone up in weight for the bout. Won by Hagler by third round knockout, the fight is considered by many to be among the finest boxing matches in history, due to its constant action, drama, and violent back-and-forth exchanges