Mike Tyson vs. James Buster Douglas

Probably the biggest upset in boxing history; 42-1 underdog Buster Douglas had knocked out the undisputed heavuweight champion of the world Mike Tyson. Things didn't go as planned for tyson from the start. Unlike other challengers, Douglas was not intimitated by Tyson, and gradually proved dominant as the bout progressed. Things hitted up when in the 8th Tyson knocked down Douglas but was unable to finish him off, while in the 9th it was Douglas' turn to punish Tyson. By the 10th it was all over; a vicious combination had knocked out Tyson for the first time in his career