The 15 Fastest UFC Knockouts In Fight Night History

Knockouts in the UFC have always been some of the most exhilarating moments in the sport, capturing the raw power and precise skill that define mixed martial arts. These moments are not just about ending the fight but doing so in a way that leaves a lasting impression on fans and fighters alike.

In this article, we delve into some of the most iconic and fastest knockouts in UFC history, showcasing the incredible athleticism and strategy involved in delivering these unforgettable finishes.

15. Joaquin Buckley vs. Impa Kasanganay

Youtube | Punch MMA

Joaquin Buckley delivered one of the most spectacular knockouts in UFC history against Impa Kasanganay in October 2020. After Kasanganay caught Buckley’s kick, Buckley used his captured leg to launch a spinning back kick, landing flush on Kasanganay’s face. The viral KO, inspired by Kasanganay’s juggling during fight week, catapulted Buckley to stardom.

14. Anderson Silva vs. Vitor Belfort

Youtube | Truongtuyen1970 Dinh

Anderson Silva’s front kick knockout of Vitor Belfort at UFC 126 in 2011 is one of the most iconic finishes in UFC history. The perfectly timed kick landed flush on Belfort’s chin, sending him crashing to the canvas just 3:25 into the first round. This spectacular KO cemented Silva’s status as one of MMA’s greatest strikers.

13. Dan Henderson vs. Michael Bisping

Openverse

At UFC 100 in 2009, Dan Henderson delivered one of the most iconic knockouts in UFC history against Michael Bisping. Henderson’s devastating overhand right, known as the “H-Bomb,” sent Bisping crashing to the canvas. The follow-up diving elbow strike sealed the brutal KO, leaving Bisping unconscious and cementing this moment in UFC lore.

12. Edson Barboza vs. Terry Etim

Youtube | UFC

Edson Barboza’s spinning wheel kick knockout of Terry Etim at UFC 142 in 2012 is considered one of the most iconic finishes in UFC history. The perfectly executed technique sent Etim crashing to the canvas in dramatic fashion, earning Barboza Knockout of the Year honors. This highlight-reel KO showcased Barboza’s elite striking skills and cemented his reputation as a dangerous knockout artist.

11. Francis Ngannou vs. Alistair Overeem

Openverse

At UFC 218 in 2017, Francis Ngannou delivered one of the most devastating knockouts in UFC history. He caught Alistair Overeem with a thunderous left uppercut that sent the veteran fighter crashing to the canvas, unconscious before he hit the ground. The brutal KO occurred just 1:42 into the first round.

10. Don Frye vs. Thomas Ramirez (8 seconds)

Don Frye & Yoshihiro Takayama
Youtube | UFC

In one of the most lopsided matchups in UFC history, Don Frye demolished Thomas Ramirez in just 8 seconds at UFC 8 in 1996. Frye, a skilled wrestler and boxer, quickly closed the distance against the 410-pound Ramirez and landed two devastating punches that sent his opponent crashing into the fence, ending the fight instantly.

9. James Irvin vs. Houston Alexander (8 seconds)

Openverse

At UFC Fight Night 13 in 2008, James Irvin delivered a lightning-fast knockout against Houston Alexander. Irvin’s superman punch connected just seconds into the fight, sending Alexander crashing to the canvas. A few follow-up strikes sealed the deal, resulting in one of the quickest finishes in UFC history.

8. Gray Maynard vs. Joe Veres (9 seconds)

Openverse

Gray Maynard’s lightning-fast knockout of Joe Veres at UFC Fight Night 11 in 2007 stunned the audience. After a brief feeling-out process, Maynard unleashed a devastating lead left hook that sent Veres crashing into the fence. This 9-second KO set Maynard on an impressive winning streak, eventually earning him a lightweight title shot.

7. Makwan Amirkhani vs. Andy Ogle (8 seconds)

Makwan Amirkhani made a spectacular UFC debut at UFC on Fox 14 in 2015, finishing Andy Ogle in just 8 seconds. The Finnish fighter landed a flying knee to Ogle’s body as soon as the bell rang, followed by a flurry of punches that forced the referee to stop the fight. This lightning-fast knockout remains one of the most memorable in UFC history.

6. Leon Edwards vs. Seth Baczynski (8 seconds)

Seth Baczynski, Leon Edwards
Youtube | MyMMApl

Leon Edwards made a statement in his second UFC appearance, knocking out Seth Baczynski in just 8 seconds at UFC Fight Night 64 in 2015. This lightning-fast KO is tied for the sixth-fastest in UFC history and the second-fastest in welterweight division history, showcasing Edwards’ devastating striking power.

5. Ryan Jimmo vs. Anthony Perosh (7 seconds)

Openverse

Ryan Jimmo made a spectacular UFC debut at UFC 149 in 2012, tying the record for the fastest knockout in UFC history. He delivered a devastating right hand that sent Anthony Perosh crashing to the canvas just 7 seconds into the first round, stunning the audience and cementing his place in UFC lore.

4. Chan Sung Jung vs. Mark Hominick (7 seconds)

Youtube | UFC

In a stunning display at UFC 140, Chan Sung Jung, aka “The Korean Zombie,” knocked out Mark Hominick in just 7 seconds. Jung capitalized on Hominick’s aggressive start, countering a missed left hook with a devastating right hand that ended the fight instantly, tying the record for the fastest knockout in UFC history.

Read More: The 11 Best Rivalries in the NFL

3. Todd Duffee vs. Tim Hague (7 seconds)

Youtube | Embrace Cejudo

Todd Duffee set the record for the fastest knockout in UFC heavyweight history at UFC 102 in 2009. He caught Tim Hague with a powerful left hand just seconds into the fight, followed by rapid ground strikes. The referee stopped the bout at the 7-second mark, cementing Duffee’s place in UFC history.

Read More: Epic Showdowns: 20 Intense Rivalries in Pro Sports History

2. Duane Ludwig vs. Jonathan Goulet (6 seconds)

Openverse

At UFC Fight Night 3 in 2006, Duane Ludwig delivered a lightning-fast knockout against Jonathan Goulet. The fight lasted just 6 seconds, with Ludwig landing a precise right hand that sent Goulet crashing to the canvas. This knockout held the record for the fastest in UFC history for over a decade, showcasing Ludwig’s devastating striking power.

Read More: 20 Ferocious MMA Fighters in the UFC Who Never Back Down

1. Jorge Masvidal vs. Ben Askren (5 seconds)

 Jorge Masvidal

Jorge Masvidal delivered the fastest knockout in UFC history at UFC 239 in 2019. He sprinted across the octagon and landed a devastating flying knee on Ben Askren just 5 seconds into the fight. The perfectly timed strike left Askren unconscious, securing Masvidal’s place in UFC record books.

Watch Now: Big plays. Fast takes. Check out TQR Shorts for the latest sports news with Zoe!

Related Articles
Sep 9, 2018; Foxborough, MA, USA; New England Patriots quarterback Tom Brady (12) talks with head coach Bill Belichick and offensive coordinator Josh McDaniels during warm ups before the start of the game against the Houston Texans at Gillette Stadium. Mandatory Credit: David Butler II-USA TODAY Sports
14 Quarterbacks Who Hated Their Head Coach
From icy stares on the sidelines to full-on public meltdowns, here are quarterbacks who clearly couldn’t...
Read More
February 8, 2019; Pebble Beach, CA, USA; Ho-sung Choi hits his tee shot on the 14th hole during the second round of the AT&T Pebble Beach Pro-Am golf tournament at Spyglass Hill Golf Course. Mandatory Credit: Kyle Terada-Imagn Images
15 Golfers With Swings That Defied Physics
From homemade swings to unexplainable body motion, these 15 golfers made you pause and ask, How is that...
Read More
Apr 23, 2022; Ottawa, Ontario, CAN; Montreal Canadiens goalie Carey Price (31) is unable to stop a shot from Ottawa Senators center Josh Norris (not pictured) in the second period at the Canadian Tire Centre. Mandatory Credit: Marc DesRosiers-Imagn Images
The 13 Most Overrated NHL Goalies of All Time
Some goalies were propped up by strong teams, while others lived off a reputation that never quite matched...
Read More
Apr 20, 2014; St. Petersburg, FL, USA; New York Yankees shortstop Derek Jeter (2) reacts during the seventh inning against the Tampa Bay Rays at Tropicana Field. Mandatory Credit: Kim Klement-Imagn Images
25 MLB Players Who Had That Unbothered Aura
Whether it was style, swagger, or just pure chill, these 25 guys always gave off that effortlessly unfazed...
Read More
Ozzie Smith
20 MLB Fielders Who Had Hands Like Magic
These 20 MLB fielders legends, from slick shortstops to fearless outfielders, turned glove work into...
Read More
Oct 19, 1997; Oakland, CA, USA; FILE PHOTO; Denver Broncos quarterback John Elway (7) in action against the Oakland Raiders at Oakland-Alameda County Coliseum. Mandatory Credit: Peter Brouillet-USA TODAY NETWORK
13 Quarterbacks Who Played Like They Were Possessed
These QBs turned into absolute maniacs when the lights came on, like they were channeling some kind of...
Read More

As an Amazon Associate, The Quick Report earns from qualifying purchases.

Part of the Castaway Studios media network.