Irish fighter Conor McGregor knocked out Brazilian mixed martial artist Jose Aldo to win the Featherweight title on December 13, at the UFC 194 and created history by record 13-second knock out in a championship bout in the UFC history. However, many fighters have knocked out their opponents under 10 seconds in regular bouts.

From American fighter Jorge Masvidal to Hollywood movie Never Back Down 2: The Beatdown co-star Todd Duffee, who is a professional MMA fighter, take a look at the top five fastest knockouts in the history of UFC.

Watch the record knockouts in the UFC:


Jorge Masvidal beat Ben Askren (Welterweight) at UFC 239- 5 seconds

American fighter Jorge Masvidal defeated compatriot Ben Askren on July 7, 2019, at the UFC 239 and created history with record five-second knockout. The fight took place at the T-Mobile Arena in Las Vegas under the welterweight category. As soon as the fight began, Masvidal rushed towards his opponent and hit Askren's head with his knee before the referee made his decision.

Duane Ludwig beat Jonathan Goulet (Welterweight) at UFC Fight Night 3- 6 seconds

The 44-year-old Duane Ludwig, who hails from Denver, Colorado in United States, needed just one right-arm punch to beat French Canadian fighter Jonathan Goulet. Ludwig countered Goulet's punch and made a perfect impact on his head leaving him on the floor before referee chose to end the fight. Ludwig took just six seconds to beat the Canadian and register second-fastest UFC knockout ever on January 16,  2006.

Chan Sung Jung beat Mark Hominick (Featherweight) at UFC 140- 7 seconds

Chan Sung Jung, who is also known as the Korean Zombie, knocked out his Canadian opponent Mark Hominick in seven seconds to record the third fastest knockout in UFC history on December 11, 2011. After the starting touch, Hominick looked to catch the Korean by surprise, however, ended up being the victim of the Korean Zombie's right punch. Chan connected his punch on the Canadian's jaw that left him on the ground and landed a series of punches before the referee made the decision.

Ryan Jimmo beat Anthony Perosh (Light Heavyweight) at UFC 149- 7 seconds

Canadian mixed martial artist Ryan Jimmo defeated Australian fighter Anthony Perosh on July 22, 2012, at Scotiabank Saddledome. Ryan punched Perosh twice to end the fight in seven seconds. The first punch on Perosh's jaw led him to the ground while the second punch allowed the referee to name Ryan Jimmo the winner of the bout.

Todd Duffee beat Tim Hague (Heavyweight) at UFC 102- 7 seconds

Never Back Down 2: The Beatdown star Todd Duffee, who is also a professional mixed martial artist, defeated Canadian heavyweight fighter Tim Hague on August 29, 2009. With his victory he etched his name in the UFC records of fastest knockouts as he ended the fight in seven seconds with his left-hand jab. Duffee's one jab was enough to drop Hague on the floor before landing a series of punches on his face.