15 Fastest Knockouts in UFC History

Sean SmithAnalyst IMay 12, 2013

15 Fastest Knockouts in UFC History

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    Not all UFC knockouts are created equal.

    One of the great things about MMA as a sport is that there are so many different ways a fight can end. Even underneath the winning methods of knockouts, submissions and decisions, there are several routes fighters can take to earn those types of victories.

    Some knockouts are born out of last-minute desperation. Others can come out of nowhere in the midst of a chess match. One type of knockout that really gets fans out of their seats, though, is the quick or one-strike finish.

    Plenty of those types of stoppages have occurred inside the Octagon over the years. These are the fastest knockouts in UFC history.

15T. Andrei Arlovski

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    Event: UFC 55

    Opponent: Paul Buentello

    Knockout Time: 15 seconds

    When Frank Mir was stripped of his heavyweight title as a result of inactivity due to a career-threatening motorcycle accident, interim champion Andrei Arlovski was promoted to undisputed king of the UFC heavyweight division.

    Arlovski had earned his interim belt by beating Tim Sylvia and defended it from Justin Eilers before becoming the only heavyweight with gold around his waist.

    In his first fight as undisputed champion, Arlovski met Paul Buentello. Heading into the championship bout, Buentello had won six straight fights and his first two inside the Octagon. 

    His winning streak was about to come to a swift end, though.

    Buentello pushed forward with a combination early, and Arlovski countered with a short right hook. With Arlovski ducking to avoid a right cross as he simultaneously landed the knockout blow, Buentello awkwardly fell forward onto the champion's back before collapsing to the canvas.

    That would go down as Arlovski's final win in a UFC title fight.

15T. Jens Pulver

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    Event: UFC 28

    Opponent: John Lewis

    Knockout Time: 15 seconds

    At UFC 28, Jens Pulver made his way to the Octagon for a bout with John Lewis. While Lewis had won his only prior UFC bout, that was his only victory in six bouts overall leading into the matchup with Pulver.

    It did not take long for Pulver to tack another defeat onto Lewis' skid.

    Lewis came out looking to land his jab, which Pulver quickly countered with a left cross. The punch knocked Lewis limp and into retirement from MMA. Pulver, meanwhile, became the first-ever UFC lightweight champion by beating Caol Uno in his next outing.

14. Terry Martin

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    Event: UFC 67

    Opponent: Jorge Rivera

    Knockout Time: 14 seconds

    After losing to Jason Lambert at UFC 59, Terry Martin opted to make a move to middleweight for his next Octagon appearance. In doing so, he was matched up with fellow UFC veteran Jorge Rivera. 

    Having knocked Jason Guida out eight seconds into the third round of his most recent win, Martin was used to exchanging with opponents as soon as rounds opened. He'd need to rely on that experience in his clash with Rivera.

    Rivera opened the action with heavy kicks. Martin was able to catch one and unleashed a right hand. When Rivera went down, Martin followed him to the ground and finished the fight quickly with a few follow-up punches.

12T. Anthony Johnson

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    Event: UFC Fight Night 10

    Opponent: Chad Reiner

    Knockout Time: 13 seconds

    Anthony Johnson was offered a UFC contract after going undefeated in his first three MMA bouts. Welcoming him to the Octagon was Chad Reiner, who had just lost in his own UFC debut months prior.

    Reiner pushed forward as soon as the fight started. Johnson met him with a damaging left hook. Although Reiner stayed on his feet initially, a second left hook from Johnson led to the fight's finish.

    While Johnson went on to have a long and moderately successful UFC career, Reiner would never fight inside the Octagon again.

12T. Gary Goodridge

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    Event: UFC 8

    Opponent: Paul Herrera

    Knockout Time: 13 seconds

    Gary Goodridge began his MMA career at UFC 8, where he met Paul Herrera in the opening round of an eight-man tournament.

    Herrera shot in for a takedown almost immediately, and Goodridge defended by securing the crucifix position. From there, Goodridge blasted Herrera with elbows until his opponent was unconscious.

    Goodridge went on to lose against Don Frye in the UFC 8 tournament finals. Herrera did not fight again for nearly seven years.

10T. Johny Hendricks

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    Event: UFC 141

    Opponent: Jon Fitch

    Knockout Time: 12 seconds

    After winning two straight fights following his lone loss to Rick Story, Johny Hendricks was given the biggest fight of his career against longtime contender Jon Fitch.

    Fitch was coming off of a draw with B.J. Penn, but he was still heavily favored over Hendricks due to his long run of success in the welterweight division.

    With a huge left hand, Hendricks shocked the world and immediately became one of the top 170-pound contenders.

    Three wins later, it appears he'll finally get his shot at champion Georges St-Pierre. Fitch, meanwhile, was surprisingly released from the UFC after a loss to Demian Maia and is now under contract with World Series of Fighting.

10T. Rob Emerson

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    Event: UFC 87

    Opponent: Manny Gamburyan

    Knockout Time: 12 seconds

    Coming off of his first UFC win, Rob Emerson was matched up with TUF runner-up Manny Gamburyan. After losing to Nate Diaz in the TUF finals, Gamburyan had won back-to-back fights inside the Octagon.

    Gamburyan came out swinging at Emerson, who landed a right hand while on his heels. The punch dropped Gamburyan, and Emerson landed an awkward hook from his knees to bring the fight to an end.

    Despite the big win, Emerson lost three of his next four fights and was released from the UFC roster. Gamburyan was defeated by Thiago Tavares in his next outing, prompting a move to featherweight and the Zuffa-owned WEC promotion.

8T. Duane Ludwig

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    Event: UFC Fight Night 3

    Opponent: Jonathan Goulet

    Knockout Time: 11 seconds

    After beating Genki Sudo in his UFC debut, Ludwig fought and lost outside the organization twice before returning to the Octagon for a bout with Jonathan Goulet.

    Almost immediately after the fight started, Ludwig landed a counter right cross that sent Goulet crashing to the canvas. Unfortunately, the Nevada State Athletic Commission timekeeper was slow to stop the clock, resulting in an official stoppage time of 11 seconds.

    Years later, in a Dana White video blog, the UFC investigated the timekeeping issue by playing its fastest knockouts side by side to determine which was the fastest.

    Despite evidence showing Ludwig's knockout took only slightly more than six seconds, the NSAC's Keith Kizer said the original ruling would not be overturned.

8T. B.J. Penn

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    Event: UFC 34

    Opponent: Caol Uno

    Knockout Time: 11 seconds

    In the third fight of his MMA career, B.J. Penn took on former Shooto champion Caol Uno.

    Despite lacking in experience, Penn steamrolled Uno with an impressive finish. After dropping Uno with an uppercut, Penn pounced and stopped the fight with more punches as he stood over his collapsed opponent.

    A year later, Penn and Uno would fight to a draw in a lightweight championship bout. However, Penn eventually captured the title and became recognized as one of the best 155-pound fighters in MMA history.

7. Mark Weir

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    Event: UFC 38

    Opponent: Eugene Jackson

    Knockout Time: 10 seconds

    Mark Weir joined the UFC roster with an impressive 8-1 record and was immediately matched up against a veteran in Eugene Jackson. 

    Octagon jitters apparently didn't exist in 2002, though.

    After missing on an attempted kick, Weir clipped Jackson with a jab. Jackson hit the canvas, and Weir finished his opponent off with ground-and-pound.

    Despite making such a big splash, Weir never won another fight inside the Octagon. Jackson left the UFC after the knockout loss and competed under the Strikeforce banner before retiring.

6. Gray Maynard

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    Event: UFC Fight Night 11

    Opponent: Joe Veres

    Knockout Time: Nine seconds

    Gray Maynard's first UFC win remains the only stoppage victory of his MMA career.

    In welcoming Joe Veres to the Octagon, Maynard walked forward and landed a lead left hook. Veres went down and didn't get back up until the referee pulled Maynard off of him.

    Veres lost his following fight to Corey Hill and hasn't fought since. Maynard, on the other hand, has emerged into one of the best lightweights in MMA.

4T. James Irvin

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    Event: UFC Fight Night 13

    Opponent: Houston Alexander

    Knockout Time: Eight seconds

    UFC matchmaker Joe Silva did not disappoint when he paired veteran strikers James Irvin and Houston Alexander against one another in April 2008. Neither fighter had made it out of the first round in their past three fights, so some early fireworks were almost guaranteed.

    Just seconds into the bout, Irvin landed a superman punch that floored Alexander. It was the second time Irvin finished an opponent less than 10 seconds into a round, having also blasted Terry Martin with a flying knee early in the second stanza of their UFC 54 bout.

    Irvin never won another UFC bout after knocking out Alexander, who also lost in his two Octagon appearances following the knockout loss.

4T. Don Frye

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    Event: UFC 8

    Opponent: Thomas Ramirez

    Knockout Time: Eight seconds

    Don Frye made his MMA debut at UFC 8, where he required less than one combined minute to pick up two wins and earn a spot in the tournament finals.

    In the quarterfinals, Frye clipped Thomas Ramirez with a right hook that led to an eight-second knockout. That would stand as the UFC's fastest knockout for more than 13 years.

    Frye proceeded to win the UFC 8 tournament and 15 of his first 16 fights overall. Ramirez never fought again.

1T. Ryan Jimmo

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    Event: UFC 149

    Opponent: Anthony Perosh

    Knockout Time: Seven seconds

    After going undefeated in 16 straight fights, Ryan Jimmo was given a chance to compete inside the Octagon for the first time. Because of his hot streak, Jimmo's first UFC opponent was one who had picked up three straight wins in the world's top MMA promotion.

    Despite the pressure of fighting on the sport's biggest stage, Jimmo quickly brought Anthony Perosh's run of success to an end.

    Jimmo plodded forward and landed a huge right hand that put Perosh out before he hit the ground. Though he lost his following fight against James Te-Huna, Jimmo showed he'll be a solid addition to the UFC light heavyweight class in the coming years. 

    Perosh has not fought in the 10 months that have passed since being knocked out by Jimmo.

1T. Chan Sung Jung

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    Event: UFC 140

    Opponent: Mark Hominick

    Knockout Time: Seven seconds

    After beating Leonard Garcia in his UFC debut, Chan Sung Jung was given a step up in competition in a fight with Mark Hominick. In his prior fight, Hominick had gone the distance with featherweight champion Jose Aldo and was expected to remain in title contention with a win over Jung.

    Instead, Jung countered a lead hook from Hominick with a straight right and handed the Canadian a second straight loss in front of his home fans.

    Jung carried his momentum from the victory over Hominick into a submission win over Dustin Poirier and is now considered one of the top contenders in the 145-pound class. Hominick lost his next two fights before retiring on a four-fight losing skid.

1T. Todd Duffee

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    Event: UFC 102

    Opponent: Tim Hague

    Knockout Time: Seven seconds

    Refusing to touch gloves before engaging may have earned Todd Duffee a permanent spot in the UFC history books.

    After he was denied the sign of MMA sportsmanship, Hague rushed at Duffee with a wild left hook. Catching his opponent with his hands low, Duffee landed a powerful jab that led to an incredibly early end.

    Duffee's seven-second knockout broke a record that had stood for well over a decade. Though he had a falling out with the UFC not long after, Duffee is now back in the Octagon where he belongs and could make a run at title contention before all is said and done.