A unanimous decision (UD) is a 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 Kickboxing is a combat sports, combat sport focused on kicking and punch (strike), punching. The combat takes place in a boxing ring, normally with boxing gloves, mouthguards, shorts, and bare feet to favour the use of kicks. Kickboxing is pract ...

Muay Thai Muay Thai ( th, มวยไทย, , ), sometimes referred to as Thai boxing, is a combat sport that uses stand-up striking along with various clinching techniques. This discipline is known as the "art of eight limbs", as it is characterised ...

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 ...

and other sports involving striking and submission in which all three judges agree on which fighter won the match. In boxing, each of the three judges keep score (round by round) of which fighter they feel is winning (and losing). This only includes landed blows to the head or the body. In MMA, judges look for different criteria such as kicks, take downs, punches, knees, elbows, cage control, submission attempts and aggression. A decision is not required to be unanimous for a boxer or mixed martial artist to be given a victory. In modern era of Olympic boxing, UD is utilized more often than other outcomes including stoppages. Unanimous decision should not be confused with a

majority decision A majority decision (MD) is a winning criterion in several full-contact combat sports, such as boxing, kickboxing, Muay Thai, mixed martial arts and others sports involving striking. In a majority decision, two of the three judges agree on whi ...

or split decision.

History

In the early days of combat fighting, winners were determined only when one party was unable to continue the fight. The

National Sporting Club The National Sporting Club was a club founded in London in 1891, which did more to establish the sport of boxing in Great Britain than any other organisation. Origins The club was founded on 5 March 1891 as a private club. Its premises were at ...

started to promote professional glove fighting, and introduced the use of officials and their capacity to declare the winner of a fight. Officials began using a scoring system to determine the winner of the fight and this made unanimous decisions a logical outcome. Any combat sports decision has the potential to be overturned. Some reason for this may include counting errors, misdeclaration, and retroactive disqualification due to rule violations. There has never been a unanimous decision overturned.

Notable unanimous decisions

Controversial unanimous decisions

Notable athletes

Boxing

Floyd Mayweather Jr. Floyd Joy Mayweather Jr. (''né'' Sinclair; February 24, 1977) is an American boxing promoter and former professional boxer. He currently owns a team in the NASCAR Cup Series named The Money Team Racing. As a professional boxer he competed b ...

- 20 wins by UD *

Muhammad Ali Muhammad Ali (; born Cassius Marcellus Clay Jr.; January 17, 1942 – June 3, 2016) was an American professional boxer and activist. Nicknamed "The Greatest", he is regarded as one of the most significant sports figures of the 20th century, a ...

- 18 wins by UD *

Manny Pacquiao Emmanuel Dapidran Pacquiao Sr. (; born December17, 1978) is a Filipino politician and former professional boxer. Nicknamed "PacMan", he is regarded as one of the greatest professional boxers of all time. He served as a Senator of the Phil ...

- 18 wins by UD * Joe Louis - 9 wins by UD

MMA

Jon Jones Jonathan Dwight Jones (born July 19, 1987) is an American professional mixed martial artist currently signed to the Ultimate Fighting Championship (UFC), in which he has competed in the light heavyweight division. He is a former two-time UFC L ...

- 9 wins by UD *

Anderson Silva Anderson da Silva (; born 14 April 1975) is a Brazilian-American mixed martial artist and boxer. He is a former UFC Middleweight Champion and holds the record for the longest title reign in UFC history at 2,457 days. This started in 2006 an ...

- 9 wins by UD *

Georges St-Pierre Georges St-Pierre (; born May 19, 1981) is a Canadian actor and former professional mixed martial artist. He is widely regarded as one of the greatest fighters in mixed martial arts (MMA) history. St-Pierre was a two-division champion in the Ult ...

- 10 wins by UD *

Kamaru Usman Kamarudeen Usman (born May 11, 1987) is a Nigerian and American professional mixed martial artist, former freestyle wrestler and retired folkstyle wrestler. He currently competes in the welterweight division of the Ultimate Fighting Champions ...

- 9 wins by UD

References

Boxing rules and regulations Decision {{martialart-stub