The fight was officially announced on Friday night at the UFC’s 25th anniversary press conference in Los Angeles.
Speculation was rife this week with the potential date for the lightweight title fight and UFC President Dana White announced on Friday that the fight would be taking place at UFC 229 in Las Vegas.
It marks the return of Conor McGregor after a significant absence from the sport in a fight that has been brewing for a long time.
Watch the promo below and follow The Writing Irish for more fight build up in the coming months.
This one is set to be huge.