Thomas "Tommy" Hearns is an American former professional boxer who competed from 1977 to 2006. Nicknamed the "Motor City Cobra", and more famously "The Hitman", Hearns' tall and slender build allowed him to move up over fifty pounds in his career and become the first boxer in history to win world titles in four weight divisions: welterweight, light middleweight, middleweight, and light heavyweight. By later winning a super middleweight title, he also became the first to win world titles in five weight divisions. Hearns was named Fighter of the Year by The Ring magazine in 1980 and 1984; the latter following his one-punch knockout of Roberto Durain. Hearns was known as a devastating puncher throughout his career, even at cruiserweight, despite having climbed up five weight classes.