The Irishman will take on a dominant fighting luminary in Las Vegas on Aug 26.
And he hopes fighter and former churned martial artist Dashon Johnson can assistance propel him to a overwhelming upset.
Johnson, 29, has won 22 of his 46 fighting bouts and helped Pacquiao ready for his possess quarrel with Mayweather in 2015.
Johnson also won 9 of his 11 MMA contests between 2012 and 2014, though mislaid his usually dual fights in a UFC.
And he wrote on Instagram: “It’s official, I’m Team McGregor! Headed to Ireland to assistance out a fable himself Conor McGregor for his arriving hitch opposite Floyd Mayweather that is slated to be a biggest quarrel in quarrel sports history.
“I was advantageous adequate to be a partial of a biggest fighting quarrel in story opposite Floyd Mayweather, now I’ll be partial of this mega-fight that should transcend all records.
McGregor vs Mayweather confirmed
“I will give each unit of me to make certain McGregor is during his best so we can unequivocally make history.”
McGregor is now training in Dublin though is approaching to pierce his stay to possibly Los Angeles or Las Vegas in a entrance weeks.