Mexican-US WBA, IBF, WBO and IBO heavyweight boxing champion Andy Ruiz Jr (L) and Britain's Anthony Joshua (R) pose next to each other at a promotional press conference for the "Clash on the Dunes" fight, set to take place in December, in London on September 6, 2019. - The "Clash on the Dunes" is scheduled to take place in Diriya, Saudi Arabia on December 7. (Photo by DANIEL LEAL-OLIVAS / AFP) (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
Mexican-American heavyweight boxing champion Andy Ruiz Jr (C-L), British boxing promoter Eddie Hearn (C), and British boxing challenger Anthony Joshua (C-R) pose together during a press conference ahead of the upcoming "Clash on the Dunes" fight between Ruiz Jr and Joshua in December, in Diriya on the western outskirts of the Saudi capital Riyadh on September 4, 2019. - The "Clash on the Dunes" is scheduled to take place in Diriya on December 7. (Photo by Fayez Nureldine / AFP) (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)
Mexican-American heavyweight boxing champion Andy Ruiz Jr (L) and British boxing challenger Anthony Joshua (R) pose together during a press conference ahead of the upcoming "Clash on the Dunes" fight between Ruiz Jr and Joshua in December, in Diriya on the western outskirts of the Saudi capital Riyadh on September 4, 2019. - The "Clash on the Dunes" is scheduled to take place in Diriya on December 7. (Photo by Fayez Nureldine / AFP) (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)
Mexican-American heavyweight boxing champion Andy Ruiz Jr poses before a poster of the upcoming "Clash on the Dunes" fight between him and British challenger Anthony Joshua, set to take place in December, at a press conference in Diriya on the western outskirts of the Saudi capital Riyadh on September 4, 2019. - The "Clash on the Dunes" is scheduled to take place in Diriya on December 7. (Photo by Fayez Nureldine / AFP) (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)
British heavyweight boxing challenger Anthony Joshua poses before a poster of the upcoming "Clash on the Dunes" fight between him and Mexican-American heavyweight champion Andy Ruiz Jr, set to take place in December, at a press conference in Diriya on the western outskirts of the Saudi capital Riyadh on September 4, 2019. - The "Clash on the Dunes" is scheduled to take place in Diriya on December 7. (Photo by Fayez Nureldine / AFP) (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)
