Mexican-American heavyweight champion Andy Ruiz and Britain's Anthony Joshua arrived in Riyadh on Wednesday ahead of a press conference to promote their rematch.
The retaliatory clash between Joshua and Ruiz will take place on December 7 in the historic town of Diriyah, a UNESCO World Heritage Site.
“We are delighted in the Kingdom to host the greatest World Heavyweight Boxing Champion,” said Prince Abdulaziz bin Turki Al-Faisal, chairman of the Saudi Sports General Authority.
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In the so-called “dune clash”, Joshua will try to regain his world heavyweight title, which he renounced last June in New York, losing to Ruiz by a knockout during the seventh round.