Crowds react to them like nothing else in combat sports. Fast knockouts have always been an indisputable draw of the Ultimate Fighting Championship, dating to its earliest iterations. They serve as wakeup calls for all those who practice mixed martial arts as a profession and have at times served as rallying cries for those who cannot stomach the violence that occurs inside the cage.
During the 24 years the UFC has existed, its record books have been written and rewritten by quick-strike KOs, the authors as diverse as the methods they use: punches, knees, kicks, elbows and even slams.