The biggest UFC upsets have proved that no result is certain in the octagon. A huge appeal for UFC events in 2019 is the fun of knowing anyone can pull off an upset on the right night. All the MMA fighters are quite skilled and spend their lives training for their upcoming fights. Even the biggest underdog has been preparing for months at a high level for that night to surprise everyone with a shocking KO.
The UFC best upsets to take place in the company’s long history will be featured here. Fans were absolutely stunned at the results of these fights in real time. Many betters lost money thinking the favorite would be a safe play, only to see the underdog finish things off with a knockout.
The unpredictability of UFC is most highlighted by the knockouts in play here. Vote up for the results that surprised you the most when they happened, and help decide just which fight had the biggest upset in UFC history!
Event: UFC 69
Date: April 7, 2007
Matt Serra pulled off the upset against the dominant George St. Pierre with some brutal punches for the knockout victory.
Event: UFC 173
Date: May 24, 2014
The headkick and punches earned T.J. Dillashaw a huge upset victory, stealing the night's best moment at UFC 173.
Event: UFC 193
Date: November 14, 2015
The unbeatable Ronda Rousey suffered her first defeat at the hands of Holly Holm. Fans were shocked at Rousey's streak ending with the Holm knockout victory.
Event: UFC 162
Date: July 6, 2013
The incredible run of Anderson Silva had fans stunned when Chris Weidman pulled off an upset, knocking him out with brutal punches.