THE STORY
On December 12, 2015, at UFC 194 in Las Vegas, Conor McGregor defeated José Aldo with a 13-second knockout, claiming the UFC Featherweight Championship. Aldo, who had been unbeaten for a decade, was knocked out by McGregor's precise left hand, marking the fastest finish in UFC title fight history. (ufc.com)
TEAMS / PEOPLE:
Jose Aldo, Conor McGregor
WHY IT MATTERS
This rapid victory ended Aldo's long reign and solidified McGregor's status as a dominant force in the UFC.