He also posted a picture of himself with Pacquiao at an event in Japan.
View this post on Instagram
I’m coming back to fight Manny Pacquiao this year. Another 9 figure pay day on the way @mayweatherpromotions
One of the wealthiest sportsmen ever, Mayweather, 41, retired from the ring after his victory over Conor McGregor a year ago.
In the Instagram video, Mayweather said: “I’m coming back in December.”
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