In the summer of 2017, there was one fight that stood above all.Conor McGregor ditched the Octagon in favour of a square ring to end his long-lasting, cross-sport war of words with Floyd Mayweather Jr. The pre-fight bitterness was enough to sell tickets on its own. In fact, the two traded insults during press conferences in L.A, Toronto, New York, and London before finally descending on Las Vegas at the legendary MGM Grand Arena. The fight itself flattered to deceive and while many hoped and may have believed that "Notorious" could upset the 40-year-old champion, he was stopped in the 10th round, culminating in an historic 50th win for Mayweather, without defeat. Anybody thinking that the defeat was completely embarrassing for McGregor would be wrong. He did fail to deliver on his promise of being the first to knock out Mayweather, but their mutual disdain culminated in the Dubliner walking away with an estimated $30 million despite defeat. For his first professional boxing fight, there was no shame in being beaten by Floyd Mayweather in the 10th round. In fact, Ricky Hatton fell foul to "Money" in the same round, but in far more brutal circumstances. The fight did face a lot of criticism, however. Many critics cited the lack of integrity and sizeable fight purse as reasons to avoid what was claimed to be a farcical contest. Many fans want the score to be settled within more familar surroundings of McGregor's. That would be away from the ring and within the caged walls of an Octagon under UFC rules.You would think that for Floyd Jr, there'd be little to gain, but cryptic posts on social media have suggested he may be enticed by a rematch, to show he really is the best all-round brawler. Michigan-born Mayweather sparked yet another feud by posting a video of him walking round an Octagon. Since then, it's transpired into more verbal and now pictured put-downs.Money posted a photo from their boxing bout in August, before a photoshopped image of him giving a bloody McGregor an elbow to the face.

McGregor has since responded with a real photo of his fight with Nate Diaz. The image captioned: "A real elbow in a real fight" aimed another counter dig at the American. 

Many are keen to see how Mayweather would fare under less favourable terms and the two supposedly undergoing "deep in talks" over a 2018 bout, worth a reported £360 million