Adding fuel to an already fiery scenario is Nate Diaz, a fighter notorious for his competitive history with McGregor. Emerging from a recent victory over Jorge Masvidal in a boxing bout, Diaz has sent a challenge to the Irishman. Taking to social media (below), Diaz set out the challenge: "I box Crawford and fight Conor next 168 Ifg."

Terence Crawford seems to have a single-minded pursuit of Canelo Alvarez in progress for now, but the pound-for-pound elite and unbeaten four-division champion is finding it hard to deny that he, too,

McGregor claimed this week on a Duelbits livestream that Crawford turned down the fight. Crawford has since substantiated McGregor's words. Crawford, an undisputed boxing champion in two weight classes, confirmed he had no interest in an MMA fight against the former two-division UFC champ.