Marvin Hagler, a legendary boxing icon, is widely recognized as one of the greatest middleweight fighters in the history of the sport. Born Marvin Nathaniel Hagler on May 23, 1954, in Newark, New Jersey, he later became known as Marvelous Marvin Hagler, a tribute to his slick and dominant style in the ring. Hagler’s relentless work ethic and determination made him a force to be reckoned with during his prime boxing years.