Chelsea are a club used to getting what they want. Ever since the £140 million take-over by Russian tycoon Roman Abramovich in 2003, money has not been an object for the London outfit, one of English footballs most profligate sides of the 21st century. Abramovichs well-thumbed chequebook has been used to persuade some of the worlds best players to join the Stamford Bridge revolution over the past decade, with the likes of Arjen Robben, Didier Drogba, Frank Lampard and more recently Diego Costa pulling on a Blue jersey. The players they have signed has understandably made all the back pages of the Sunday tabloids, with Abramovich signing no fewer than 89 players as a cost of £905 million since his takeover. But its the players he didnt sign that get the less publicity. Over the years, Chelsea have been linked with a number of stars, and have come very close indeed to signing them. How different could their future have been if they had signed a young Sergio Aguero? Or if a certain Italy legend had moved to SW6? Well never know, but here, we thought wed immortalise the what could have beens with our list of 10 players you didn't know Chelsea almost signed. Click 'next' to begin.