After coming face-to-face with Pacquiao during his tour of Japan, Mayweather released a video on Instagram on Saturday accompanied by the message: “I’m coming back to fight Manny Pacquiao this year, another nine-figure pay day on the way!”

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Mayweather, 41, can be heard shouting in the video: “I’m coming back in December!”

Mayweather is unbeaten in 50 career fights, having stopped UFC star Conor McGregor in a lucrative Las Vegas bout in August 2017. 

Mayweather defeated Pacquiao by unanimous decision at the MGM Grand in May 2015 in a long-awaited bout between the pair.

A post shared by Floyd Mayweather (@floydmayweather) on Sep 15, 2018 at 3:51am PDT

Pacquiao, 39, who has recently been connected with a fight against British star Amir Khan, knocked out Lucas Matthysse in Kuala Lumpur in July, bouncing back from a loss to Australian Jeff Horn, which had been his seventh career defeat. Matchroom, led by Eddie Hearn, has been in talks to sign the legendary Pacquiao after the Filipino, who is the WBA welterweight champion, left long-term promoter Bob Arum.