This article is a stub. You can help Boxing Wiki by expanding it. Marvelous Marvin Hagler (born Marvin Nathaniel Hagler; May 23, 1954) is an American former professional boxer who competed from 1973 to 1987. He reigned as the undisputed middleweight champion from 1980 to 1987, making twelve defenses of that title. Retrieved from "https://boxing.fandom.com/wiki/Marvelous_Marvin_Hagler?oldid=10801" Categories: Article stubs 1954 births Living people American boxers African-American boxers Middleweight boxers Southpaw boxers International Boxing Hall of Fame inductees Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.