When Pacquiao's plans for China were first announced in 2014, he said that he believed the partnership could help thaw frosty ties between the Philippines and China, who were engaged in a territorial maritime dispute in the South China Sea.
Last month, Pacquiao appeared to be teasing McGregor by sending a message to the Dubliner on social media, saying: "Happy Thanksgiving!"
"If we can negotiate it, I have no problem. It is OK with both of us".
"Initially", Pacquiao said. "But we have not yet had any follow-up conversations".
Winter Weather Advisory: Snow is coming, got milk (and bread)?
At Philadelphia International Airport, the weather was resulting in delays averaging close to an hour for incoming flights. The advisory also includes the five boroughs of New York City, Westchester and Nassau Counties, and Southern Connecticut.
Diaz told Lance Pugmire of the Los Angeles Times in January that he was attempting to get a boxing license because UFC was not giving him a fight. Stay fit my friend. In August, he went head-to-head with the USA's Floyd Mayweather. He lost in 10 rounds.
The reaction from both the MMA and boxing communities was mixed, to say the least, and below you can see some of the best responses to the reports.
The fight is likely to take place in April, when the Philippine is due to take a break from his legislative duties after being elected into the Philippine Senate in 2016.
Understandably torn between avenging a loss and claiming one of the most lucrative paydays of his entire career, Pacquiao wants to return to the ring before next summer.
Pacquiao, the only boxer to win titles in eight weight classes, lost his World Boxing Organization welterweight title to Australian Jeff Horn in July and hasn't fought since.