There is no denying that social media has changed modern-day life dramatically, including the world of sports.
Where disagreements between athletes, ex-professionals and others would be played out in private, they often now take place for the world to see on social platforms like Instagram and Twitter.
The latest comes from two former Newcastle stars, Michael Owen and Alan Shearer, who have enjoyed a war of words on Twitter as the former prepares to launch a new book.
In said book, Owen reveals details about his move back to the Premier League after falling out of favour at Real Madrid. He claims that he only wanted to return to Liverpool, despite a huge offer from Newcastle.
The two have endured a long-running feud, but it appears to have come to the boil on social media.
We've taken a look at some of the online spats that have taken place in the last few years.