Sport
Boxing, MMA and Combat Sports
Sixteen articles on combat sports: boxing greats from Rocky Marciano and Muhammad Ali to Mike Tyson, Mayweather and Pacquiao, MMA stars Conor McGregor, Khabib and Ronda Rousey, sumo, and wrestling icons André the Giant and John Cena.
Updated November 3, 2026
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16 items
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240 facts in the linked articles
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Reading time 5 min
Combat sports are among the oldest contests in human history, from ancient Olympic boxing and Greek pankration to sumo's Shinto rituals. This collection follows them into the modern era with the great boxers Rocky Marciano, Muhammad Ali, Mike Tyson, Oscar De La Hoya, Floyd Mayweather, Manny Pacquiao, Vitali Klitschko and Conor Benn; the mixed martial arts stars Conor McGregor, Khabib Nurmagomedov and Ronda Rousey; and the wrestling giants André the Giant and John Cena. Further articles explain boxing, MMA and sumo themselves.
The records speak for themselves. Rocky Marciano retired undefeated at 49-0, Mayweather went one better at 50-0 and became the first boxer to earn $1 billion, Khabib retired with a perfect 29-0 MMA record, and Pacquiao is boxing's only eight-division world champion. Mike Tyson became the youngest heavyweight champion at 20, and Klitschko was never knocked down in 47 professional fights.
Their lives outside the ring are just as remarkable. Ali started boxing after his bicycle was stolen and later negotiated the release of hostages in Iraq, Tyson kept Bengal tigers and threw his first punch to defend his pigeons, Klitschko became mayor of Kyiv, and Pacquiao played professional basketball while he was world champion and later ran for president of the Philippines. André the Giant was driven to school by the playwright Samuel Beckett.
From the shortest world-title fight, just 11 seconds, to John Cena's record of more than 650 granted Make-A-Wish requests, the stories below are full of surprises. Choose a fighter or sport to read fifteen facts.