By Kieran King Some Barcelona fans booed Mason Greenwood and made their feelings crystal clear over a potential summer transfer for the Manchester United loanee during their rout over Getafe. Greenwood, 22, has been heavily linked with a move to the Catalan side at the end of the season after impressing while on loan at Getafe. The England international had scored seven goals and provided five assists in 24 appearances this term prior to Saturday’s trip to Barcelona. Atletico Madrid have also been named as a potential destination. Meanwhile, Sir Jim Ratcliffe admitted earlier this week that Gr…