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Cesc Fabregas is likely to be Chelsea’s key signing of the summer. Having arrived from Barcelona, Fabregas’ versatility and Premier League experience will make him an important member of the squad, especially alongside Nemanja Matic. He has already shown an uncanny ability to link up with Diego Costa and is equally adept at playing as both a deep-lying playmaker and a No. 10.
Nemanja Matic rejoined Chelsea in January 2014 after being sold to Benfica in 2011. He was cup-tied for the Champions League but will not have the same restrictions in the 2014-15 season. As the fixtures pile up, he may find himself rotated with John Obi Mikel, but he is undoubtedly Mourinho’s first-choice central midfielder.
Marco van Ginkel
Marco van Ginkel had a promising start to his Chelsea career curtailed by a knee-ligament injury last season. He has since returned to full strength and has put in some excellent pre-season performances. He may find his playing time restricted by the arrival of Cesc Fabregas but will get his chances when the Spaniard is required to play as a No. 10.
John Obi Mikel
John Obi Mikel only made 11 Premier League starts for the Blues last year, as he was sidelined by Nemanja Matic in the defensive-midfield role. He is likely to be used as a utility player again this season and will need to improve his overall form if he is to appear regularly.
Ramires joined up with his Chelsea team-mates this week after an extended holiday following the World Cup. He made 29 Premier League starts for Chelsea last season but will face a fight for his place this season with Cesc Fabregas and Marco van Ginkel. His endurance and work rate are second to none, but he will need to improve his ball retention and tackling if he is to maintain his position as a guaranteed starter for 2014-15.