Boxer
A boxer was a person who practiced or competed in boxing. John L. Sullivan was a famous boxer who taught the Doctor the sport some time before his third incarnation. (TV: Carnival of Monsters) Jack Dempsey, another famous boxer, later taught the Doctor fighting stances which he used in Kish. (PROSE: Timewyrm: Genesys)
Another famous boxer was Audley Harrison. Curtis' friends sometimes called him Audley because he resembled Harrison. (PROSE: Bay of the Dead)
Manny Simmons was a talented boxer, and even thought of turning pro. (COMIC: The Weeping Angels of Mons)
Rick Bellamy was a bare-knuckle boxer in London in the 19th century. He was an acquaintance of Strax and often had fights with him. Strax considered him to be one of the toughest humans he'd ever encountered. (PROSE: Silhouette)