Manny Pacquiao has accused Floyd Mayweather Jr of making up excuses in order to avoid a fight with him and reveals he would be open to moving onto a showdown with Amir Khan in the UK.

Pacquiao, 35, will defend his WBO title against Chris Algieri in Macau on Saturday but the build-up to that clash has been dominated by speculation surrounding a long-awaited meeting with five weight world champion Mayweather.

The Filipino fighter recently revealed a fight with the welterweight king is the last remaining goal in his glittering career but Mayweather's refusal to sit down and discuss a deal leaves the two at an impasse.

But while Pacquiao believes a meeting between the two is a logical step in both their careers, he will not lose any sleep if it never happens.

"I'll never be frustrated if the Floyd fight doesn't happen," Pacquiao told the Daily Telegraph. "Though I am ready to fight him anytime, anywhere, it is him who refuses. I've made it clear that I want to fight him – it's up to him now.

"Modesty aside, I'm happy and content with the legacy I have in boxing, even if I don't fight Floyd. I always want to make the fans happy though and I know they want that fight. I also know that if we did fight, it would be good for the sport.

"It's obvious he is avoiding a fight with me. He's always making excuses. Just make the fight and stop talking. I've made it clear that my phone line is always open for him to call me.

"I pity him because all he thinks and does reflects the worldly aspects of life. He seems to have forgotten his spiritual nourishment."

Khan is another currently vying for a showdown with Mayweather in 2015 when the final two fights remaining of his current Showtime deal take place.

But the Bolton-born fighter is also keen on a meeting with his former sparring partner Pacquiao, something the current WBO champion is would be eager to move forward with.

"A fight with Amir would be an exciting fight. I can fight him anywhere, even in England. I don't know how much longer I will fight. I'd like to retire in the next few years, so for now I am willing to face anybody."