Sugar Ray Leonard vs. Thomas Hearns, billed as The Showdown, was a professional boxing match contested on September 16, 1981, for the undisputed welterweight championship.

Sugar Ray Leonard vs. Thomas Hearns II, billed as The War, was a professional boxing match contested on June 12, 1989, for the WBC super middleweight title.

Marvin Hagler vs. Thomas Hearns, billed as The Fight, (referred to afterwards as The War), was a professional boxing match contested on April 15, 1985, for the undisputed middleweight championship.