Harry Greb

Harry Greb was an American professional boxer who fought from 1913 to 1926, and held the American light heavyweight title from 1922 to 1923 and the world middleweight champion from 1923 to 1926. Nicknamed "the Pittsburgh Windmill", Greb fought 299 times during a 13-year career, taking on any opponent that would fight him, and defeated many of the top rated fighters of his era from welterweight all the way up to heavyweight, and is considered one of the greatest boxers of all time.