You can also catch up on all the January deals with our club-by-club list. gboulton27th March 20176:29 pmThe rumour mill is in full swing and Football Whispers have selected ten massive transfers that could happen this summer. Rex Features7Jose Mourinho is desperate for a big-name signing in the summer. At 25, Neymar is considered the next major superstar in the game, but knows he will always be in Lionel Messis shadow at the Nou Camp. 0French forward Antoine Griezmann has been Atletis star man since joining from Real Sociedad in 2014 for £26million. The Canada striker hit 32 goals in two seasons and has continued his goalscoring form into this campaign with three strikes in his first two appearances. ansfer blogGriezmann himself is believed to be keen on a switch to either Man United or Chelsea, with Atletico still some way off from challenging Real Madrid and Barcelonas dominance in La Liga. The French international seems destined to leave Spain in the summer, and the former Gunners forward believes the 26-year-old is just the type of player they need. 9; £35m fee with Monaco for midfield star Tiemoue Bakayoko on lucrative five-year dealinter and outInter Milan may be worst team ever for selling players before they reached their prime Defoe, who has banged in 14 Premier League goals for the struggling Black Cats this term,? became the sixth-oldest scorer in Englands? history on Sunday. The France international is a big-money target for Manchester United this summer after becoming an integral part of Diego Simeones side.