Top Rank's CEO Bob Arum has taken a swipe at his promotional rival, Eddie Hearn, with respect to the ongoing drama related to last week's London press conference - where Hearn announced that the heavyweight rematch between Andy Ruiz and Anthony Joshua would take place on December 7th in Saudi Arabia.

It didn't take long before Ruiz went public and made it clear that he never agreed to take the fight in Saudi Arabia - and for the moment the Mexican boxer is refusing to travel over.

Arum had promoted Ruiz for most of his career. Ruiz parted ways with his company earlier this year and signed on with Al Haymon's Premier Boxing Champions.

Back in June, Ruiz dropped Joshua four times to secure a seventh round stoppage at Madison Square Garden in New York City. The victory gave Ruiz the IBF, IBO, WBA, WBO world titles.

There is a rematch clause in place, with both boxers agreeing to the terms back in May. The terms gives Joshua and his handlers the power to select the location and venue.

Hearn has warned of a long legal battle, if Ruiz refuses to move forward with the second fight.

Arum explains that Hearn, who promotes Joshua, made huge mistake by holding that presser before confirming that Ruiz was on board.

“I think Eddie Hearn showed how stupid he is by making the announcement that the fight was in Saudi Arabia before he signed Ruiz to a contract. Now Ruiz has him by the balls," Arum explained to Villainfy.

“[Ruiz is] in a great position because [Hearn] went out on a limb and announced the venue in Saudi Arabia. Ruiz, one country in the world he doesn’t have to go to if he doesn’t want is Saudi Arabia, because his own government said you’re not safe there.”

If Arum was still promoting Ruiz, he would be willing to accept the location of Saudi Arabia - but only if Ruiz received "a lot more money than he’s getting.”