BARCELONA are keen to tie three promising academy prospects to long-term contracts and ward off Premier League interest, according to reports in Catalonia. Manchester United and Chelsea are both keen on signing Griezmann, and teammate Gameiro admits he could go. Wilshere, 25, has played 25 times on loan at Bournemouth this season but has been on the bench for theCherries last two games. Mboula, has admirers across Europes biggest leagues and seen as the biggest star. But Antoine is a great player and I think he can go even higher and I hope for him that hell do it. Uniteds travelling support have been accused of singing Chelsea Rent Boys during the 1-0 FA? Cup quarter-final defeat at Stamford Bridge on March 13. He has played 26 league appearances for the club this season and Chelsea remain excited at the thought of him partnering N’Golo Kante in the middle of the park. His importance to Jurgen Klopps side was underlined earlier this season when he signed a five-year contract until 2022 with no release clause included. The injury seems to be worse than first feared as he was seen walking in Cheshire following a meal with his girlfriend as Manchester United’s injury list tots up. Hes scored three times in seven games following a return from injury and is likely to feature strongly for the Gunners during the final part of the campaign.