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A knockout (abbreviated to KO or K.O.) is a fight-ending, winning criterion in several
full-contact Contact sports are sports that emphasize or require physical contact between players. Some sports, such as mixed martial arts, are scored on impacting an opponent, while others, including rugby football, gridiron football and Australian rules fo ...
combat sport A combat sport, or fighting sport, is a competitive contact sport that usually involves one-on-one combat. In many combat sports, a contestant wins by scoring more points than the opponent, submitting the opponent with a hold, disabling the opp ...
s, such as
boxing Boxing (also known as "Western boxing" or "pugilism") is a combat sport in which two people, usually wearing protective gloves and other protective equipment such as hand wraps and mouthguards, throw punches at each other for a predetermine ...
, kickboxing, muay thai,
mixed martial arts Mixed martial arts (MMA), sometimes referred to as cage fighting, no holds barred (NHB), and ultimate fighting, and originally referred to as Vale Tudo is a full-contact combat sport based on striking, grappling and ground fighting, inc ...
, karate, some forms of
taekwondo ''Taekwondo'', ''Tae Kwon Do'' or ''Taekwon-Do'' (; ko, 태권도/跆拳道 ) is a Korean martial arts, Korean form of martial arts involving punching and kicking techniques, with emphasis on head-height kicks, spinning jump kicks, and fast k ...
and other sports involving striking, as well as
fighting Combat ( French for ''fight'') is a purposeful violent conflict meant to physically harm or kill the opposition. Combat may be armed (using weapons) or unarmed ( not using weapons). Combat is sometimes resorted to as a method of self-defense, or ...
-based
video game Video games, also known as computer games, are electronic games that involves interaction with a user interface or input device such as a joystick, controller, keyboard, or motion sensing device to generate visual feedback. This fee ...
s. A full knockout is considered any legal strike or combination thereof that renders an opponent unable to continue fighting. The term is often associated with a sudden traumatic
loss of consciousness Loss may refer to: Arts, entertainment, and media Music * ''Loss'' (Bass Communion album) (2006) * ''Loss'' (Mull Historical Society album) (2001) *"Loss", a song by God Is an Astronaut from their self-titled album (2008) * Losses "(Lil Tjay son ...
caused by a physical blow. Single powerful blows to the head (particularly the jawline and temple) can produce a
cerebral concussion A concussion, also known as a mild traumatic brain injury (mTBI), is a head injury that temporarily affects brain functioning. Symptoms may include loss of consciousness (LOC); memory loss; headaches; difficulty with thinking, concentration, ...
or a carotid sinus reflex with syncope and cause a sudden, dramatic KO. Body blows, particularly the
liver punch A liver shot or liver punch is a punch, kick, or knee strike to the right side of the ribcage that damages the liver. Blunt force to the liver can be excruciatingly painful, and an especially effective shot will incapacitate a person instantly. Thu ...
, can cause progressive, debilitating pain that can also result in a KO. In boxing and kickboxing, a knockout is usually awarded when one participant falls to the canvas and is unable to rise to their feet within a specified period of time, typically because of exhaustion, pain, disorientation, or
unconsciousness Unconsciousness is a state in which a living individual exhibits a complete, or near-complete, inability to maintain an awareness of self and environment or to respond to any human or environmental stimulus. Unconsciousness may occur as the re ...
. For example, if a boxer is knocked down and is unable to continue the fight within a ten-second count, they are counted as having been knocked out and their opponent is awarded the KO victory. In mixed martial arts (MMA) competitions, no time count is given after a knockdown, as the sport allows submission grappling as well as
ground and pound Mixed martial arts (MMA), sometimes referred to as cage fighting, no holds barred (NHB), and ultimate fighting, and originally referred to as Vale Tudo is a full-contact combat sport based on striking, grappling and ground fighting, incorpo ...
. If a fighter loses consciousness ("goes limp") as a result of legal strikes, it is declared a KO. Even if the fighter loses consciousness for a brief moment and wakes up again to continue to fight, the fight is stopped and a KO is declared. As many MMA fights can take place on the mat rather than standing, it is possible to score a KO via ground and pound, a common victory for
grapplers Grappling, in hand-to-hand combat, describes sports that consist of gripping or seizing the opponent. Grappling is used at close range to gain a physical advantage over an opponent, either by imposing a Grappling position, position or causing ...
. In
fighting games A fighting game, also known as a versus fighting game, is a video game genre, genre of video game that involves combat between two or more players. Fighting game combat often features mechanics such as Blocking (martial arts), blocking, grappli ...
such as ''
Street Fighter , commonly abbreviated as ''SF'' or スト (''Suto''), is a Japanese media franchise centered on a series of fighting video and arcade games developed and published by Capcom. The first game in the series was released in 1987, followed by six ...
'' and '' Tekken'', a player scores a knockout by fully depleting the opponent's
health bar Health, according to the World Health Organization, is "a state of complete physical, mental and social well-being and not merely the absence of disease and infirmity".World Health Organization. (2006)''Constitution of the World Health Organiza ...
, with the victor being awarded the round. The player who wins the most rounds, either by scoring the most knockouts or by having more vitality remaining when time expires during each round, wins the match. This differs from combat sports in reality, where a knockout ends the match immediately. However, some fighting games aim for a more realistic experience, with titles like '' Fight Night'' adhering to the rules of professional boxing, although technically they are classified as sports games, and share many of the same features as NFL and NBA video games.


Technical knockout

A technical knockout (TKO or T.K.O.), stoppage, or referee stopped contest (RSC) is declared when the referee decides during a round that a fighter cannot safely continue the match for any reason. Certain sanctioning bodies also allow the official attending physician at ringside to stop the fight as well. In many regions, a TKO is declared when a fighter is knocked down three times in one round. In MMA bouts, the referee may declare a TKO if a fighter cannot intelligently defend themselves while being repeatedly struck.


Double knockout

A double knockout, both in real-life
combat sports A combat sport, or fighting sport, is a competitive contact sport that usually involves one-on-one combat. In many combat sports, a contestant wins by scoring more points than the opponent, submitting the opponent with a hold, disabling the opp ...
and in
fighting Combat ( French for ''fight'') is a purposeful violent conflict meant to physically harm or kill the opposition. Combat may be armed (using weapons) or unarmed ( not using weapons). Combat is sometimes resorted to as a method of self-defense, or ...
-based
video game Video games, also known as computer games, are electronic games that involves interaction with a user interface or input device such as a joystick, controller, keyboard, or motion sensing device to generate visual feedback. This fee ...
s, occurs when both fighters trade blows and knock each other out simultaneously and are both unable to continue fighting. In such cases, the match is declared a draw. In fighting games such as ''
Street Fighter , commonly abbreviated as ''SF'' or スト (''Suto''), is a Japanese media franchise centered on a series of fighting video and arcade games developed and published by Capcom. The first game in the series was released in 1987, followed by six ...
'', '' Dead or Alive'', and '' Tekken'', a draw is counted as a loss for both players.


Physical characteristics

Little is known as to what exactly causes one to be knocked unconscious, but many agree it is related to trauma to the
brain stem The brainstem (or brain stem) is the posterior stalk-like part of the brain that connects the cerebrum with the spinal cord. In the human brain the brainstem is composed of the midbrain, the pons, and the medulla oblongata. The midbrain is co ...
. This usually happens when the head rotates sharply, often as a result of a strike. There are three general manifestations of such trauma: * a typical knockout, which results in a sustained (three seconds or more) loss of consciousness (comparable to general anesthesia, in that the recipient emerges and has lost memory of the event). * a "flash" knockout, when a very transient (less than three seconds) loss of consciousness occurs (in the context of a knock-down) and the recipient often maintains awareness and memory of the combat. * a "stunning", a "dazing" or a fighter being "out on his feet", when basic consciousness is maintained (and the fighter never leaves his feet) despite a general loss of
awareness Awareness is the state of being conscious of something. More specifically, it is the ability to directly know and perceive, to feel, or to be cognizant of events. Another definition describes it as a state wherein a subject is aware of some infor ...
and extreme distortions in
proprioception Proprioception ( ), also referred to as kinaesthesia (or kinesthesia), is the sense of self-movement, force, and body position. It is sometimes described as the "sixth sense". Proprioception is mediated by proprioceptors, mechanosensory neurons ...
, balance, visual fields, and auditory processing. Referees are taught specifically to watch for this state, as it cannot be improved by sheer willpower and usually means the fighter is already
concussed A concussion, also known as a mild traumatic brain injury (mTBI), is a head injury that temporarily affects brain functioning. Symptoms may include loss of consciousness (LOC); memory loss; headaches; difficulty with thinking, concentration, ...
and unable to safely defend themselves. A basic principle of boxing and other combat sports is to defend against this vulnerability by keeping both hands raised about the face and the chin tucked in. This may still be ineffective if the opponent punches effectively to the
solar plexus The celiac plexus, also known as the solar plexus because of its radiating nerve fibers, is a complex network of nerves located in the abdomen, near where the celiac trunk, superior mesenteric artery, and renal arteries branch from the abdo ...
. A fighter who becomes unconscious from a
strike Strike may refer to: People * Strike (surname) Physical confrontation or removal *Strike (attack), attack with an inanimate object or a part of the human body intended to cause harm *Airstrike, military strike by air forces on either a suspected ...
with sufficient
knockout power Punching power is the amount of kinetic energy in a person's punches. Knockout power is a similar concept relating to the probability of any strike to the head to cause unconsciousness or a strike to the body that renders an opponent unable to ...
is referred to as having been ''knocked out'' or ''KO'd'' (''kay-ohd''). Losing balance without losing consciousness is referred to as being ''knocked down'' ("down but not out"). Repeated blows to the head, regardless of whether they cause loss of consciousness, may in severe cases cause strokes or paralysis in the immediacy, and over time have been linked to permanent
neurodegenerative disease A neurodegenerative disease is caused by the progressive loss of structure or function of neurons, in the process known as neurodegeneration. Such neuronal damage may ultimately involve cell death. Neurodegenerative diseases include amyotrophic ...
s such as
chronic traumatic encephalopathy Chronic traumatic encephalopathy (CTE) is a neurodegenerative disease linked to repeated trauma to the head. The encephalopathy symptoms can include behavioral problems, mood problems, and problems with thinking. The disease often gets worse ...
("punch-drunk syndrome"). Because of this, many physicians advise against sports involving knockouts.


Knockdown

A knockdown occurs when a fighter touches the floor of the ring with any part of the body other than the feet following a hit, but is able to rise back up and continue fighting. The term is also used if the fighter is hanging on to the ropes, caught between the ropes, or is hanging over the ropes and is unable to fall to the floor and cannot protect himself. A knockdown triggers a count by the referee (normally to 10); if the fighter fails the count, then the fight is ended as a KO.Boxing Terminology
''Ringside by Gus''. URL last accessed June 17, 2008.
A flash knockdown is a knockdown in which the fighter hits the canvas but recovers quickly enough that a count is not started.


Knockout records


Top 10 boxers by most KOs

# Billy Bird (138) #
Archie Moore Archie Moore (born Archibald Lee Wright; December 13, 1913 – December 9, 1998) was an American professional boxer and the longest reigning World Light Heavyweight Champion of all time (December 1952 – May 1962). He had one of the longest ...
(132) # Young Stribling (129) #
Sam Langford Samuel Edgar Langford (March 4, 1886 – January 12, 1956), known as the Boston Tar Baby, Boston Terror and Boston Bonecrusher, was a Black Canadian boxing standout of the early part of the 20th century. Called the "Greatest Fighter Nobody Know ...
(128) #
Buck Smith Buck Smith (born July 22, 1965) is an American professional boxer in the welterweight division. Although Smith has never been considered more than a journeyman fighter, he is one of boxing's all-time knockout kings with 120 KO's. Professional car ...
(120) #
Kid Azteca Luis Villanueva Páramo (June 21, 1913 – March 16, 2002) was a Mexican boxer best known as ''Kid Azteca''. Villanueva boxed professionally from 1932 to 1961, making him one of a small number of fighters that fought during four decades. Archie M ...
(114) # George Odwell (111) #
Sugar Ray Robinson Walker Smith Jr. (May 3, 1921 – April 12, 1989), better known as Sugar Ray Robinson, was an American professional boxer who competed from 1940 to 1965. He was inducted into the International Boxing Hall of Fame in 1990. He is often regard ...
, Alabama Kid (108) # Peter Maher (107) #
Sandy Saddler Joseph "Sandy" Saddler (June 23, 1926 – September 18, 2001) was an American professional boxer. He was a two-time featherweight world champion, having also held the super featherweight title. Over his twelve-year career (1944–56), Saddler s ...
(103)


Top 10 boxing champions (including interims) by KO percentage

Inactive National Boxing Association, World Colored Boxing Championship as well as list on
List of current world boxing champions This is a list of current world boxing champions. Since at least John L. Sullivan, in the late 19th century, there have been world champions in professional boxing. The first of the current organizations to award a world title was the World Box ...
and European Boxing Union. #
Edwin Valero Edwin Valero (3 December 1981 – 19 April 2010) was a Venezuelan professional boxer who competed from 2002 to 2010. He was an undefeated former world champion in two weight classes, having held the WBA super featherweight title from 2006 to 2 ...
,
Artur Beterbiev Artur Asilbekovich Beterbiev ( ce, Арту́р Асильбе́кович Бетерби́ев russian: Артур Асильбекович Бетербиев; born 21 January 1985) is a Russian-Canadian professional boxer. He is a unified l ...
(100%) # Deontay Wilder (98%) #
Alfonso Zamora Alfonso Zamora Quiroz (born 9 February 1954) is a Mexican former professional boxer who competed from 1973 to 1980. He was the Lineal championship, Lineal and World Boxing Association, WBA bantamweight champion, and made five title defenses. As ...
(97%) #
Ángel Acosta Ángel Acosta Gómez (born October 8, 1990) is a Puerto Rican professional boxer who held the WBO light flyweight title from 2017 to 2019. As an amateur, Acosta won the gold medal at the 2010 Central American and Caribbean Games. Early life Ac ...
, Dmitry Kudryashov, Jonathan Guzmán (96%) #
Carlos Zárate Serna Carlos Zárate Serna (born May 23, 1951) is a Mexican former professional boxer who competed from 1970 to 1988, and held the WBC bantamweight title from 1976 to 1979. He and fellow Mexican and world Bantamweight champion Rubén Olivares have the ...
,
Wilfredo Gomez Wilfredo is a given name which may refer to: *Wilfredo Alicdan (born 1965), Filipino figurative artist *Wilfredo Alvarado (born 1970), Venezuelan football defender *Willy Caballero (born 1981), Argentine football goalkeeper * Wilfredo Caraballo (bo ...
,
Frank Bruno Franklin Roy Bruno, (born 16 November 1961) is a British former professional boxer who competed from 1982 to 1996. He had a highly publicised and eventful career, both in and out of the ring. The pinnacle of Bruno's boxing career was winning ...
(95%) #
Gervonta Davis Gervonta Davis ( ; born November 7, 1994) is an American professional boxer. He has held multiple world championships in three weight classes, including the WBA (Regular) lightweight title since 2019; the IBF super featherweight title in 2017; ...
,
Gerald McClellan Gerald Allen McClellan (born October 23, 1967) is an American former professional boxer who competed from 1988 to 1995. He is a two-time middleweight world champion, having held the WBO title from 1991 to 1992, and the WBC title from 1993 to ...
,
David Haye David Deron Haye (born 13 October 1980) is a British former professional boxer who competed between 2002 and 2018. He held multiple world championships in two weight classes, and was the first British boxer to reach the final of the World Ama ...
(93%) #
Yuniel Dorticos Yuniel Dorticós Pao (born 11 March 1986) is a Cuban professional boxer. He is a two-time former cruiserweight world champion, having held the WBA title from 2017 to 2018 and the IBF title from 2019 to 2020. As of August 2022, he is ranked as t ...
, Gary Mason (92%) # Anthony Joshua,
Vitali Klitschko Vitali Volodymyrovych Klitschko (; uk, Віта́лій Володи́мирович Кличко́ ; born 19 July 1971) is a Ukrainian politician and former professional boxer who serves as mayor of KyivIn-Chul Baek In-Chul Baek (born December 20, 1961) is a South Korean former professional boxer who competed from 1980 to 1990. He held the WBA super-middleweight title from 1989 to 1990. Boxing career Baek became a professional boxer in 1980. He won the Or ...
(91%) #
Aaron Pryor Aaron Pryor (October 20, 1955 – October 9, 2016) was an American professional boxer who competed from 1976 to 1990. He was a two-time light welterweight world champion, having held the WBA title from 1980 to 1983, and the IBF title from 1984 ...
,
Miguel Berchelt Miguel Ángel Berchelt Cervera (born 17 November 1991) is a Mexican professional boxer who held the WBC super featherweight title from 2017 to 2021. Amateur career Berchelt tried out at the age of 16 for the football club he supported as a c ...
, George Foreman (89%) #
Shannon Briggs Shannon Briggs (born December 4, 1971) is an American former professional boxer. He is a two-time heavyweight champion, having held the lineal heavyweight championship from 1997 to 1998, and the WBO title from 2006 to 2007. Briggs is known for h ...
,
Khaosai Galaxy Khaosai Galaxy ( th, เขาทราย แกแล็คซี่, born, 15 May 1959) is a Thai former professional boxer who competed between 1980 and 1991. He was also a Muay Thai practitioner. He held the WBA super-flyweight title betw ...
, Gennady Golovkin, David Benavidez, Mike Tyson,
Rocky Marciano Rocco Francis Marchegiano (September 1, 1923 – August 31, 1969; ), better known as Rocky Marciano (, ), was an American professional boxer who competed from 1947 to 1955, and held the world heavyweight title from 1952 to 1956. He is the onl ...
(88%)


Top 10 MMA fighters by most KOs

#
Travis Fulton Travis Jon Fulton (May 29, 1977 – July 10, 2021) was an American mixed martial artist and a professional boxer in the heavyweight division of both sports. Known as a longtime veteran in mixed martial arts, he competed in over 300 sanctioned ...
(143) #
Igor Vovchanchyn Igor Yaroslavovych Vovchanchyn (, uk, Ігор Ярославович Вовчанчин; born August 6, 1973) is a retired Ukrainian mixed martial artist and kickboxer, who competed in early no holds barred MMA contests. After making his profess ...
(41) #
Travis Wiuff Travis James Wiuff (born March 15, 1978) is an American mixed martial artist currently competing in the Heavyweight division. A professional competitor since 2001 and a longtime veteran of the sport, Wiuff has competed for the UFC, PRIDE, Bella ...
(39) # Luís Santos (38) #
Joe Riggs Joseph Jonathan Riggs (born September 23, 1982) is an American professional bare-knuckle boxer and former mixed martial artist who is currently signed to Bare Knuckle Fighting Championship. A professional competitor since 2001, Riggs formerly c ...
(37) #
Paul Daley Paul Anthony Daley (born 21 February 1983) is a British former mixed martial artist and kickboxer. A professional competitor from 2003 to 2022, Daley competed for the UFC, Bellator MMA, Cage Rage, Final Fight Championship, Strikeforce, Elit ...
(35) #
Gilbert Yvel Gilbert Ramon Yvel (born 30 June 1976) is a Dutch professional mixed martial artist. A professional competitor since 1997, Yvel competed in the PRIDE Fighting Championships, Affliction, the UFC, Road FC, the RFA, RINGS, M-1 Challenge, Cage ...
(34) #
Alexander Shlemenko Alexander Pavlovich Shlemenko (russian: Александр Павлович Шлеменко, born 20 May 1984) is a Russian mixed martial artist currently fighting in the Middleweight division. He is most notable for fighting for Bellator Fi ...
(32) # Mirko Filipovic (30) #
Melvin Manhoef Melvin Manhoef (born 11 May 1976) is a retired Surinamese-born Dutch mixed martial artist and kickboxer. In kickboxing, he is a former It's Showtime Middleweight Champion, and in MMA he was the Cage Rage Light Heavyweight Champion. In mixed mar ...
(29)


Top 10 MMA (champions, challengers) fighters by KO percentage

Fighters from inactive Pride Fighting Championships and active
UFC The Ultimate Fighting Championship (UFC) is an American mixed martial arts (MMA) promotion company based in Las Vegas, Nevada. It is owned and operated by Zuffa, a wholly owned subsidiary of Endeavor Group Holdings. It is the largest MMA ...
/ Bellator plus champions and former champions from other organizations. #
Melvin Manhoef Melvin Manhoef (born 11 May 1976) is a retired Surinamese-born Dutch mixed martial artist and kickboxer. In kickboxing, he is a former It's Showtime Middleweight Champion, and in MMA he was the Cage Rage Light Heavyweight Champion. In mixed mar ...
(91%) #
Jimi Manuwa Babajimi Abiola "Jimi" Manuwa (born 18 February 1980) is an American-born English retired mixed martial artist of Nigerian descent who competed in the light heavyweight division of the Ultimate Fighting Championship. Early life Manuwa was born ...
(88%) #
Conor McGregor Conor Anthony McGregor ( ga, Conchúr Antóin Mac Gréagóir; born 14 July 1988) is an Irish professional mixed martial artist. He is a former Ultimate Fighting Championship (UFC) featherweight and lightweight double-champion. He is the first ...
,
Jiri Prochazka Jiri ( ne, जिरी) is a municipality in Dolakha District in the Bagmati Province of central Nepal. At the time of the 2011 Nepal census it had a population of 13,638 people.. Jiri, which lies about 190 kilometers from Kathmandu, is the m ...
,
Cain Velasquez Caín Ramirez Velasquez (born July 28, 1982) is an American professional wrestler and retired mixed martial artist, currently appearing for Lucha Libre AAA Worldwide (AAA). He is widely known for his time in the Ultimate Fighting Championship, ...
,
Yoel Romero Yoel Romero Palacio (born April 30, 1977) is a Cuban professional mixed martial artist and former freestyle wrestler. He currently competes in the Light Heavyweight division for Bellator MMA. Romero formerly competed in the Middleweight divi ...
,
Gilbert Yvel Gilbert Ramon Yvel (born 30 June 1976) is a Dutch professional mixed martial artist. A professional competitor since 1997, Yvel competed in the PRIDE Fighting Championships, Affliction, the UFC, Road FC, the RFA, RINGS, M-1 Challenge, Cage ...
(86%) #
Cody Garbrandt Cody Garbrandt (born July 7, 1991) is an American professional mixed martial artist who currently competes in the flyweight and bantamweight divisions of the Ultimate Fighting Championship (UFC). Garbrandt is a former UFC Bantamweight Champion. ...
,
Justin Gaethje Justin Ray Gaethje (; born November 14, 1988) is an American professional mixed martial artist. He currently competes in the Lightweight division in the Ultimate Fighting Championship (UFC). He is a former Interim UFC Lightweight Champion. As o ...
(83%) #
Derrick Lewis Derrick James Lewis (born February 7, 1985) is an American professional mixed martial artist. He currently competes in the Heavyweight division in the Ultimate Fighting Championship (UFC), where he currently holds the record for most knockouts ...
(81%) # Mirko Filipovic,
Mauricio Rua Mauricio may refer to: *Mauricio (given name) *Maurício José da Silveira Júnior (born 1988), Brazilian footballer known by the mononym Maurício *Maurício (footballer) (Maurício dos Santos Nascimento, born 1988), Brazilian footballer *216428 M ...
(78%) #
Wanderlei Silva Wanderlei César da Silva ( , , ; born 3 July 1976) is a Brazilian-American former mixed martial artist who competed in Japan's Pride Fighting Championships and the American-based Ultimate Fighting Championship (UFC). He holds the record for the ...
,
Mark Hunt Mark Richard Hunt (born 23 March 1974) is a New Zealand former mixed martial artist and kickboxer of Samoan descent, currently living in Sydney, Australia. Hunt competed in the Ultimate Fighting Championship (UFC) until 2018 and was the wi ...
,
Cristiane Justino Cristiane Justino Venâncio (born July 9, 1985), known professionally by her ring name Cris Cyborg (and formerly by her married name Cristiane Santos), is a Brazilian-American mixed martial artist who as of January 2021 competes in Bellator MM ...
(77%) # Stipe Miocic (76%) # Anthony Johnson,
Igor Vovchanchyn Igor Yaroslavovych Vovchanchyn (, uk, Ігор Ярославович Вовчанчин; born August 6, 1973) is a retired Ukrainian mixed martial artist and kickboxer, who competed in early no holds barred MMA contests. After making his profess ...
(73%) #
Junior Dos Santos Junior dos Santos (; born 30 January 1984) is a Brazilian mixed martial artist and professional wrestler who competes in the Heavyweight division of Eagle FC. As a mixed martial artist, he is a former UFC Heavyweight Champion; as a profession ...
,
Robbie Lawler Robert Lawler (born March 20, 1982) is an American professional mixed martial artist who has been competing since 2001. He is the former UFC Welterweight Champion, former EliteXC Middleweight Champion, and has formerly competed in Strikeforc ...
(71%)


Most consecutive KOs

* Boxing:
LaMar Clark LaMar F. Clark (December 1, 1933 – November 5, 2006) was an American professional boxer who fought in the heavyweight division. He was active from 1958 to 1961 and fought a recorded 46 times in his 3 year-career, mostly in his home state of U ...
(42) Note: Considering Clark's unbeaten run of 44–0 with 44 knockouts, one should take into account he faced limited to no opposition; his first bout with a top-ten ranked opponent, who happened to be Bartolo Soni (12–2–1), ended with a TKO loss for him. Two other notable cases of highly questionable consecutive knockout records in boxing history were
Peter McNeeley Peter McNeeley (born October 6, 1968) is an American former heavyweight boxer, best known for his 1995 fight with Mike Tyson, before which McNeeley had said he would wrap Tyson in a "cocoon of horror." McNeeley fought aggressively but was kn ...
, running 36–1 with 30 knockouts before facing recently paroled Mike Tyson (41–1–0), and Richie Melito, who built up a record of 18–0 with 17 knockouts and was dubbed the "White Tyson" before
Bert Cooper Bertram Cooper (January 10, 1966 – May 10, 2019), nicknamed Smokin' Bert Cooper, was an American professional boxer who competed between 1984 and 2012. He fought Evander Holyfield, George Foreman, Riddick Bowe, Michael Moorer, Chris Byrd, Ray ...
(34–17) stopped him. Less notable but nevertheless mentionable cases include Don Steele, running 41–0 with 38 KOs before facing off Brian Nielsen (38–0), and Faruq Saleem, running 38–0 with 32 KOs before he faced casual actor Shawn McLean (3–4–0).
* MMA:
Travis Fulton Travis Jon Fulton (May 29, 1977 – July 10, 2021) was an American mixed martial artist and a professional boxer in the heavyweight division of both sports. Known as a longtime veteran in mixed martial arts, he competed in over 300 sanctioned ...
(10)


Most 1st round KOs and most consecutive 1st round KOs

* Boxing: Peter Maher (50) * Consecutive/Boxing:
Ali Raymi Ali Raymi (born Ali Ibrahim Ali Al-Raimi; ar, علي الريمي; 7 December 1973 – 23 May 2015) was a Yemeni colonel and professional boxer. In boxing he is best known for his fight record of 25 wins and no losses, with all 25 wins by knoc ...
(22) * MMA:
Travis Fulton Travis Jon Fulton (May 29, 1977 – July 10, 2021) was an American mixed martial artist and a professional boxer in the heavyweight division of both sports. Known as a longtime veteran in mixed martial arts, he competed in over 300 sanctioned ...
(68)
Joe Riggs Joseph Jonathan Riggs (born September 23, 1982) is an American professional bare-knuckle boxer and former mixed martial artist who is currently signed to Bare Knuckle Fighting Championship. A professional competitor since 2001, Riggs formerly c ...
(26) * Consecutive/MMA:
Igor Vovchanchyn Igor Yaroslavovych Vovchanchyn (, uk, Ігор Ярославович Вовчанчин; born August 6, 1973) is a retired Ukrainian mixed martial artist and kickboxer, who competed in early no holds barred MMA contests. After making his profess ...
,
Travis Fulton Travis Jon Fulton (May 29, 1977 – July 10, 2021) was an American mixed martial artist and a professional boxer in the heavyweight division of both sports. Known as a longtime veteran in mixed martial arts, he competed in over 300 sanctioned ...
(7)


Top 10 kickboxers by most KOs

#
Changpuek Kiatsongrit Changpuek nglish: White ElephantKiatsongrit ( th, ช้างเผือก เกียรติทรงฤทธิ์; born October 13, 1966) is a Thai former Muay Thai fighter. He is credited as being one of the first Muay Thai fighters ...
(178) #
Frank Lobman Frank "The Animal" Lobman (18 November 1953 – 10 June 2021) was a Surinamese-Dutch kickboxer. He was five times the European kickboxing champion and had an astonishing 90% knockout ratio. He beat many notable fighters over his career, such ...
(100) #
Toshio Fujiwara Toshio Fujiwara (藤原 敏男 ''Fujiwara Toshio'', born March 3, 1948) is a Japanese former kickboxer. Out of 141 professional fights before retiring at age 35, Fujiwara won 126, with a remarkable 99 by knockout; most notably, he was the first n ...
(99) #
Andy Souwer Andy Souwer (born 9 November 1982) is a Dutch former welterweight kickboxer and mixed martial artist. He is a two-time K-1 World MAX champion (2005, 2007) and four-time Shootboxing World tournament champion as well as former It's Showtime 70MA ...
(98) #
Ramon Dekkers Ramon Dekkers (4 September 1969 – 27 February 2013) was a Dutch kickboxer and an eight-time Muay Thai world champion. Dekkers was a favourite with fight fans due to his fast-paced, aggressive fighting style. Dekkers was also renowned for his wi ...
(95) #
Badr Hari Badr Hari (born 8 December 1984) is a Moroccan-Dutch kickboxer. He is a former K-1 Heavyweight World Champion (2007–2008), It's Showtime Heavyweight World Champion (2009–2010) and ''K-1 World Grand Prix 2008 and 2009'' finalist. Born an ...
(92) # Fabrice Aurieng (89) #
Mike Zambidis Michalis "Iron Mike" Zambidis ( Greek: Μιχάλης Ζαμπίδης; born 15 July 1980) is a professional Greek kickboxer and martial artist. He is an 18-time World Champion, including former World version W5, SUPERKOMBAT and in a series of ...
(86) # Branko Cikatic (82) #
Peter Aerts Peter Aerts (born 25 October 1970) is a Dutch semi-retired kickboxer. Known for his devastating high kicks, which earned him the nickname "The Dutch Lumberjack", he is widely considered to be one of the greatest heavyweight kickboxers of all time ...
(81)


Top 10 Kickboxers (champions, challengers) by KO percentage

K-1, K-2 and Glory champions and Grand-Prix Winners as well as champions from other promotions. # Andrew Thomson,
Kevin Rosier Kevin Rosier (January 6, 1962 – April 14, 2015) was an American kickboxer, boxer and mixed martial artist. He had much success as a kickboxer, winning a number of titles, but did not transition particularly well into the world of boxing and ...
(100%) #
Ginty Vrede Ginty Vrede (July 18, 1985 – January 28, 2008) was a Dutch kickboxer and 2008 WBC Muaythai Heavyweight World champion. Biography and career Vrede won the WBC Muaythai heavyweight World title by beating the previously unbeaten Shane del Rosa ...
(95%) #
Branko Cikatić Branko Cikatić (4 October 1954 – 22 March 2020) was a Croatian heavyweight kickboxer, the first Croatian-born fighter to achieve international success. He was the first K-1 World Grand Prix Champion. The tournament was held on April 30, 1993 ...
(94%) #
Mite Yine Mite Yine ( my, မိုက်ရိုင်း; born April 26, 1992) is a Burmese Lethwei fighter who competes in the World Lethwei Championship's Featherweight division. He is a former Lethwei Golden Belt champion, having won the title in ...
,
Dennis Alexio Dennis Raymond Alexio (born March 12, 1959) is an American former professional kickboxer and actor who competed in the light heavyweight, cruiserweight and heavyweight divisions. Starting out as a light heavyweight, Alexio kicked off his career ...
, Abiral Ghimire (93%) #
Besim Kabashi Besim Kabashi (February 27, 1976 – December 4, 2011) was a Kosovar-German kickboxer who competed in the light heavyweight, cruiserweight and heavyweight divisions. He began his training in Germany after emigrating from Kosovo and initially ...
,
Alain Ngalani Alain may refer to: People * Alain (given name), common given name, including list of persons and fictional characters with the name * Alain (surname) * "Alain", a pseudonym for cartoonist Daniel Brustlein * Alain, a standard author abbreviation u ...
(92%) #
Frank Lobman Frank "The Animal" Lobman (18 November 1953 – 10 June 2021) was a Surinamese-Dutch kickboxer. He was five times the European kickboxing champion and had an astonishing 90% knockout ratio. He beat many notable fighters over his career, such ...
(91%) #
Benny Urquidez Benny Urquidez (born June 20, 1952) is an American kickboxer, martial arts choreographer and actor. Nicknamed "The Jet", Urquidez was a non-contact karate competitor who later pioneered full-contact fighting in the United States. He made the tra ...
,
Dustin Jacoby Dustin Jacoby (born April 4, 1988) is an American mixed martial artist and kickboxer who currently competes in the Ultimate Fighting Championship. In kickboxing, he has competed for GLORY, and in MMA, he has competed also for Bellator, World S ...
, Jean-Yves Theriault (90%) #
Nicholas Pettas Nicholas Pettas (born January 23, 1973, in Mykonos) is a Greek- Danish karateka, former heavyweight kickboxer and actor, who fought out of Team Spirit AE in Tokyo, Japan. Pettas mainly competed in the promotion K-1 between 1998 and 2007, and wa ...
(89%) #
Alessandro Riguccini Alessandro Riguccini (born 25 March 1988 in Florence, Italy) is an Italian boxer, kickboxer and engineer coached by Mexican trainer Fernando Fernandez. Alessandro Riguccini is undefeated in professional boxing with a record of 28 wins with 24 ...
(88%) #
Zack Mwekassa Zack Mwekassa (born 20 January 1984) is a Congolese boxer and kickboxer who fights in GLORY. He is a former Interim Glory Light Heavyweight Champion As of 1 October 2017, he is ranked the #4 light-heavyweight in the world by CombatPress.com. ...
, Ben Edwards,
Badr Hari Badr Hari (born 8 December 1984) is a Moroccan-Dutch kickboxer. He is a former K-1 Heavyweight World Champion (2007–2008), It's Showtime Heavyweight World Champion (2009–2010) and ''K-1 World Grand Prix 2008 and 2009'' finalist. Born an ...
,
Jean-Claude Leuyer Jean-Claude Leuyer (born November 30, 1970), or simply Jean Claude, is an American former heavyweight kickboxer. He was a six-time world champion, holding titles in four different organizations, and competing in sixteen world title fights. He ho ...
(87%)


Boxing's 50 knockout club (professional boxers with 50 or more knockouts)

* Billy Bird 138 *
Archie Moore Archie Moore (born Archibald Lee Wright; December 13, 1913 – December 9, 1998) was an American professional boxer and the longest reigning World Light Heavyweight Champion of all time (December 1952 – May 1962). He had one of the longest ...
132 * Young Stribling 126 *
Sam Langford Samuel Edgar Langford (March 4, 1886 – January 12, 1956), known as the Boston Tar Baby, Boston Terror and Boston Bonecrusher, was a Black Canadian boxing standout of the early part of the 20th century. Called the "Greatest Fighter Nobody Know ...
126 *
Buck Smith Buck Smith (born July 22, 1965) is an American professional boxer in the welterweight division. Although Smith has never been considered more than a journeyman fighter, he is one of boxing's all-time knockout kings with 120 KO's. Professional car ...
120 *
Kid Azteca Luis Villanueva Páramo (June 21, 1913 – March 16, 2002) was a Mexican boxer best known as ''Kid Azteca''. Villanueva boxed professionally from 1932 to 1961, making him one of a small number of fighters that fought during four decades. Archie M ...
114 * George Odwell 111 *
Sugar Ray Robinson Walker Smith Jr. (May 3, 1921 – April 12, 1989), better known as Sugar Ray Robinson, was an American professional boxer who competed from 1940 to 1965. He was inducted into the International Boxing Hall of Fame in 1990. He is often regard ...
108 * Alabama Kid 108 *
Peter Maher (boxer) Peter Maher (born 16 March 1869, in Gunnode, Tuam, County Galway, Ireland – 22 July 1940 in Baltimore, Maryland) was an Irish boxer known for his powerful punch. Early in his career Maher won the 1888 Middleweight Championship of Ireland, ...
107 *
Sandy Saddler Joseph "Sandy" Saddler (June 23, 1926 – September 18, 2001) was an American professional boxer. He was a two-time featherweight world champion, having also held the super featherweight title. Over his twelve-year career (1944–56), Saddler s ...
103 *
Henry Armstrong Henry Jackson Jr. (December 12, 1912 – October 24, 1988) was an American professional boxer and a world boxing champion who fought under the name Henry Armstrong. Armstrong was one of the few fighters to win in three or more different divisi ...
101 *
Joe Gans Joe Gans (born Joseph Gant; November 25, 1874 – August 10, 1910) was an American professional boxer. Gans was rated the greatest lightweight boxer of all-time by boxing historian and ''Ring Magazine'' founder, Nat Fleischer. Known as the "Old M ...
100 *
Jimmy Wilde William James Wilde (15 May 1892 – 10 March 1969) was a Welsh professional boxer who competed from 1911 to 1923. He held the IBU world flyweight title in 1916, the EBU European flyweight title twice; firstly in 1914 and again from 1916 to 1 ...
98 *
Jorge Castro (boxer) Jorge Fernando "Locomotora" Castro ( es, link=no, locomotive) (born August 18, 1967) is an Argentine boxer and former middleweight champion of the world, who is best known for his second defense of the title against John David Jackson in 1994. ...
90 *
Tiger Jack Fox John Linwood Fox (April 2, 1907 – April 6, 1954), or Tiger Jack Fox as he was better known, was a colorful, hard punching, American light heavyweight boxer. Fox fought from 1928 to 1950. Boxing career Fox claimed he got his start in boxi ...
89 *
Jock McAvoy Joseph Patrick Bamford (20 November 1908 – 20 November 1971), better known by his ring name Jock McAvoy, was a British boxer who fought from 1927 to 1945. He held the British Empire Middleweight Championship from 1933 to 1939, and took the ...
88 * Julio César Chávez 86 *
Yori Boy Campas Luis Ramón "Yori Boy" Campas Medina (born August 6, 1971) is a Mexican former professional boxer who competed from 1987 to 2019. He held the IBF light middleweight title from 1997 to 1998. Background He is a native of Navojoa, Sonora, Mexico ...
83 *
Chalky Wright Albert "Chalky" Wright (February 1, 1912 – August 12, 1957) was an American featherweight boxer who fought from 1928 to 1948 and held the world featherweight championship in 1941–1942. His career record was 171 wins (with 87 knockouts), ...
83 * Tommy Freeman 83 *
Jose Luis Ramirez Jose is the English transliteration of the Hebrew and Aramaic name ''Yose'', which is etymologically linked to ''Yosef'' or Joseph. The name was popular during the Mishnaic and Talmudic periods. * Jose ben Abin * Jose ben Akabya *Jose the Galile ...
82 *
Charles Ledoux Charles Ledoux (27 October 1892 – 21 May 1967) was a French bantamweight boxer who was active from 1909 to 1926. While never capturing a world title, he squared off against the best opposition available to him both nationally and internation ...
81 *
Ted Kid Lewis TED may refer to: Economics and finance * TED spread between U.S. Treasuries and Eurodollar Education * ''Türk Eğitim Derneği'', the Turkish Education Association ** TED Ankara College Foundation Schools, Turkey ** Transvaal Education Depart ...
80 * Fritzie Zivic 80 * Rubén Olivares 79 * George Godfrey (boxer born 1897), George Godfrey 77 * George Chaney 76 * Torpedo Billy Murphy 76 * Ceferino Garcia 74 * Primo Carnera 72 * Benny Bass 72 * Rodolfo Gonzalez (boxer) 71 * Tommy Ryan 71 * Roberto Durán 70 * Benny Leonard 70 * Jesus Pimentel 68 * Fred Fulton 68 * Earnie Shavers 68 * George Foreman 68 * Joe Jeanette 68 * Bill Brennan (boxer) 68 * Lou Brouillard 67 * Tommy Gomez 67 * Pedro Carrasco 66 * Billy Petrolle 66 * Marcel Cerdan 66 * Jack Dillon 66 * Lee Savold 65 * Willie Pep 65 * Elmer Ray 64 * George Chuvalo 63 *
Carlos Zárate Serna Carlos Zárate Serna (born May 23, 1951) is a Mexican former professional boxer who competed from 1970 to 1988, and held the WBC bantamweight title from 1976 to 1979. He and fellow Mexican and world Bantamweight champion Rubén Olivares have the ...
63 * Frank Moody 63 * Eduardo Lausse 62 * Alexis Argüello 62 * Jack Kid Berg 61 * Barbados Joe Walcott 61 * Larry Gains 61 * Adilson Rodrigues 61 * Mickey Walker (boxer) 60 * Freddie Steele 60 * Ike Williams 60 * Cleveland Williams 60 * Gregorio Peralta 60 * Tami Mauriello 60 * Max Baer (boxer) 59 * Young Peter Jackson (boxer, born 1877), Young Peter Jackson 59 * Carlos Monzon 59 * Joe Knight (boxer) 59 * Ricardo Moreno 59 * Panama Al Brown 59 * Kid Pascualito 59 * James Red Herring 58 * Eric Esch 58 * Tony Galento 57 * John Henry Lewis 57 * Pascual Perez (boxer) 57 * Charley White 57 * Kid Williams 57 * Len Harvey 57 * Jose Luis Castillo 57 * Bob Fitzsimmons 57 * Tiger Flowers 56 * Georges Carpentier 56 * Pedro Montanez 56 * Irish Bob Murphy 56 * Charles Kid McCoy 55 * Dixie Kid 55 * Gorilla Jones 55 * Freddie Mills 55 * Manuel Ortiz (boxer) 54 * Marcel Thil 54 * Solly Krieger 54 * Jose Napoles 54 * Bennie Briscoe 53 * Obie Walker 53 * Peter Kane 53 * Wladimir Klitschko 53 *
Shannon Briggs Shannon Briggs (born December 4, 1971) is an American former professional boxer. He is a two-time heavyweight champion, having held the lineal heavyweight championship from 1997 to 1998, and the WBO title from 2006 to 2007. Briggs is known for h ...
53 * Eugene Criqui 53 * Joe Louis 52 * Mike McTigue 52 * Philadelphia Jack O'Brien 52 * Lew Jenkins 52 * Marvelous Marvin Hagler, Marvin Hagler 52 * Rocky Graziano 52 * Ezzard Charles 52 * Arturo Godoy 51 * Kid Chocolate 51 * Packey McFarland 51 * Jimmy Slattery 51 * Abe Attell 51 * Miguel Angel Castellini 51 * Jorge Vaca 51 * Jorge Paez 51 * Marco Antonio Rubio 51 * Charley Burley 50 * Jose Legra 50 * Eder Jofre 50


See also

* Boxing styles and technique * Chin (combat sports) * Full contact karate * Punch (combat) * Punching power * Taekwondo


References


External links


KO statistics of Mike Tyson, Wladimir Klitschko, Earnie Shavers, George Foreman and other heavyweight boxers

All famous MMA knockouts

The differences between knockouts and concussions; a simple discussion for beginning boxers
* https://archive.today/20130505222319/http://www.cyberboxingzone.com/cbzforum/showthread.php?1450-Most-Knockouts-Career {{Boxing Martial arts terminology Boxing rules and regulations