Sir Jim Ratcliffe has made it pretty clear – Manchester United will not be entering the race to sign Paris Saint-Germain forward Kylian Mbappe at the end of the season. Mbappe is set to become the hottest free agent, arguably in any sport since LeBron James quit the Cleveland Cavaliers in 2010. The French superstar’s contract ends this summer and he will be leaving Paris Saint-Germain after seven years at the Parc des Princes. The expectation is that Mbappe will be penning a huge deal with Real Madrid, linking up with Jude Bellingham and Vinicius Junior in a pretty terrifying lineup. That we h…