Manny Pacquiao flew to Los Angeles on Wednesday, preparing for a meeting with contestants of the Miss Universe pageant.

Whether he has an even bigger date on May 2 seems entirely up to Floyd Mayweather.

Promoter Bob Arum said Pacquiao has agreed to all terms for what would be boxing’s richest fight ever, a bout with Mayweather that fans have been demanding for five years.

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The question now is whether the long-reluctant Mayweather will finally sign on the dotted line for what could be an astonishing $US120 million ($A130 million) payday for the fighter.

“Your guess is as good as mine,” Arum told The Associated Press.

“I don’t want to be antagonistic and say he’s not on board and not going to sign. The representation is that he is on board with this.”

Negotiations with Mayweather’s representatives over the past few weeks have resulted in agreements on everything from the date and site of the fight (MGM Grand in Las Vegas) to purse split (reportedly 60-40 in Mayweather’s favour) to the type of gloves the boxers will wear.

But Mayweather has yet to personally agree to the fight, and the possibility remained that Arum was publicly discussing Pacquiao agreeing to terms to try to up the pressure on the unbeaten boxer to sign.

“We’re waiting for Mayweather to sign a document saying,” Arum said.

The fight would be held at the MGM, where Mayweather has fought exclusively for years.

The 15,000-seat arena would be scaled for a $US40 million ($A43 million) live gate and Arum claimed with pay-per-view revenues, the bout could generate $US200 million ($A217 million).

With a 60-40 split, that would mean a potential $US120 million ($A130 million) payday for Mayweather and his team and $US80 million ($A87 million) for Pacquiao and his promoter. Both would be record purses for fighters.

Mayweather has resisted a Pacquiao fight for five years, first claiming Pacquiao would not agree to drug testing and later saying it wasn’t worth facing him in the ring.

But Arum said Pacquiao has long since agreed to the testing, and the pressure has built on Mayweather to come to terms on the bout.