Arsenal star Alexis Sanchez has been superb since signing from Barcelona . Premier League 's Cesc Fabregas and Diego Costa have been crucial to title charge . Southampton have found value in Ryan Bertrand and Graziano Pelle . West Ham , Newcastle and Manchester United buys feature in our top 10 . CLICK HERE for all the latest Chelsea news .
Arsenal star Alexis Sanchez has been superb since signing from Barcelona . Chelsea 's Cesc Fabregas and Diego Costa have been crucial to title charge . Southampton have found value in Ryan Bertrand and Graziano Pelle . West Ham , Newcastle and Manchester United buys feature in our top 10 . CLICK HERE for all the latest Premier League news .