Dirty boxing was more prevalent in the early Twentieth Century, but it still happens today. Holyfield was the king of the headbutt, and Tyson wasn't too far behind him. Tyson also had a nasty habit of trying to break guys' arms etc... especially later in his career. Tyson was also one of the most controversial Boxers of all time. https://youtu.be/zKPMVex-UKk Various nicknames knew Hopkins throughout his career: Executioner, Alien. However, ...