Tyson's Greatest Fights: ESPN

James "Buster" Douglas scored one of the most shocking upsets in sports history when he knocked out undefeated champion Mike Tyson. At the time, Tyson was considered to be the best boxer in the world and arguably one of the most feared heavyweight champions in history due to his complete domination in the division.

When Mike Tyson fought Larry Holmes who came out of retirement to face the young champion, many figured it would be the most pivotal test of Tyson's young boxing career. It was Holmes who had already established himself as an all time great heavyweight. However, Tyson clearly passed the test, knocking out Holmes in four brutal rounds.

On November 22, 1986, Mike Tyson becomes the youngest heavyweight champion in the history of boxing when he delivered a second round TKO, to his opponent Trevor Berbick.

Mike Tyson produced perhaps the most dominant performance of his career, as he would K.O. Michael Spinks in approximately 91 seconds. This fight was headlined "Once and for All", meaning the winner would be recognized beyond dispute as the real heavyweight champion.

Watch the some of the most dominating performances from icon Mike Tyson, when he was just beginning his stellar career in the sport of boxing.

Mike Tyson was pound for pound the most dominant boxer during the 1980's. Watch Tyson as he puts fear into his opponents in this edition of Tyson's Greatest Hits, Vol. 2.