Paul Felder spars with a partner at Yas Mall. The main event on Saturday night is one of the capital's biggest sporting events to date. Pawan Singh / The National
Jiu-jitsu black belt Royce Gracie kicks at cruiserweight boxer Art Jimmerson during a 1st round match at UFC 1 in Denver, Colorado in November 1993. Gracie went on to win the match and eventually the championship. Credit: Markus Boes / Getty Images
Kickboxer Patrick Smith tries to break out of a hold by Ken Shamrock - who went on to become a WWF wrestling star - at UFC 1 in November 1993. Holly Stein / Getty Images
Royce Gracie in action at 1 on November 12, 1993. He went on to win the tournament - and spend the $50,000 winnings on a trip to Disneyland. Holly Stein / Getty Images
Royce Gracie fights Dutchman Gerard Gordeau in a jiu-jitsu gi, which would not be allowed today. Holly Stein / Getty Images
Gracie is lifted by members of his corner after beating Gordeau to win UFC 1. He went on to become one of the sport's most celebrated competitors. Holly Stein / Getty Images
His chest splattered with blood, sumo wrestler Teilo Tuli of Honolulu is led to his corner after a fight-ending blow by Gordeau. The match was UFC 1's first and encapsulated the entertaining and at times chaotic bouts between fighters of different disciplines. Markus Boesch / Getty Images
Christos Glagos is slammed onto the ground by Drakkar Klose in a high octane bout at UFC 241 in August 2019 in Anaheim, California. Joe Scarnici / Getty Images
Conor McGregor in action against Khabib Nurmagomedov in their UFC lightweight championship fight at UFC 229 in October 2018 in Las Vegas. They are estimated to have shared $5 million from pay per view buys but McGregor revealed he netted as much as $50 million from marketing and sponsorship. Stephen McCarthy / Sportsfile via Getty
Flyweight fighters Joanne Calderwood and Andrea Lee in Abu Dhabi on September 5 2019. Women's bouts have become just as well followed by fans and are lucrative for its stars. Victor Besa / The National
Liana Jojua of Georgia and and Canadian Sarah Moras square off on stage for the UFC bantamweight class in Abu Dhabi on September 5 2019. Victor Besa / The National
Khabib Nurmagomedov – UFC lightweight champion and Dustin Poirier – UFC interim lightweight champion, square off at the Yas Hotel on September 5 2019. Pictured centre is UFC president Dana White. Victor Besa / The National
Joanne Calderwood spars with a training partner in Yas Mall in Abu Dhabi on September 4 2019. Pawan Singh / The National
Paul Felder spars with a partner at Yas Mall. The main event on Saturday night is one of the capital's biggest sporting events to date. Pawan Singh / The National
Jiu-jitsu black belt Royce Gracie kicks at cruiserweight boxer Art Jimmerson during a 1st round match at UFC 1 in Denver, Colorado in November 1993. Gracie went on to win the match and eventually the championship. Credit: Markus Boes / Getty Images
Kickboxer Patrick Smith tries to break out of a hold by Ken Shamrock - who went on to become a WWF wrestling star - at UFC 1 in November 1993. Holly Stein / Getty Images
Royce Gracie in action at 1 on November 12, 1993. He went on to win the tournament - and spend the $50,000 winnings on a trip to Disneyland. Holly Stein / Getty Images
Royce Gracie fights Dutchman Gerard Gordeau in a jiu-jitsu gi, which would not be allowed today. Holly Stein / Getty Images
Gracie is lifted by members of his corner after beating Gordeau to win UFC 1. He went on to become one of the sport's most celebrated competitors. Holly Stein / Getty Images
His chest splattered with blood, sumo wrestler Teilo Tuli of Honolulu is led to his corner after a fight-ending blow by Gordeau. The match was UFC 1's first and encapsulated the entertaining and at times chaotic bouts between fighters of different disciplines. Markus Boesch / Getty Images
Christos Glagos is slammed onto the ground by Drakkar Klose in a high octane bout at UFC 241 in August 2019 in Anaheim, California. Joe Scarnici / Getty Images
Conor McGregor in action against Khabib Nurmagomedov in their UFC lightweight championship fight at UFC 229 in October 2018 in Las Vegas. They are estimated to have shared $5 million from pay per view buys but McGregor revealed he netted as much as $50 million from marketing and sponsorship. Stephen McCarthy / Sportsfile via Getty
Flyweight fighters Joanne Calderwood and Andrea Lee in Abu Dhabi on September 5 2019. Women's bouts have become just as well followed by fans and are lucrative for its stars. Victor Besa / The National
Liana Jojua of Georgia and and Canadian Sarah Moras square off on stage for the UFC bantamweight class in Abu Dhabi on September 5 2019. Victor Besa / The National
Khabib Nurmagomedov – UFC lightweight champion and Dustin Poirier – UFC interim lightweight champion, square off at the Yas Hotel on September 5 2019. Pictured centre is UFC president Dana White. Victor Besa / The National
Joanne Calderwood spars with a training partner in Yas Mall in Abu Dhabi on September 4 2019. Pawan Singh / The National
Paul Felder spars with a partner at Yas Mall. The main event on Saturday night is one of the capital's biggest sporting events to date. Pawan Singh / The National