The knockout broke the all-time UFC speed record and instantly turned Masvidal into a megastar. Even now, it remains the defining five seconds in UFC history.

The quickest knockout in UFC history and certainly one of the most surprising. It’s been 5 years since Jorge Masvidal knocked out Ben Askren with THAT flying knee ...

McKinney, a top lightweight prospect, shocked the world with his UFC debut, knocking out Matt Frevola in just 7 seconds to claim the UFC lightweight record for fastest knockout.

Jorge Masvidal posted the fastest knockout in Ultimate Fighting Championship history at UFC 239, where he froze Ben Askren with a flying knee on July 6, 2019.