Chelsea are being linked with a big-money transfer battle with Manchester City over Spanish international midfielder Sergio Busquets.
The Barcelona star is reportedly set to become the subject of a bidding war between the two Barclays Premier League clubs, with the Etihad Stadium outfit first linked with a £35 million move for the player earlier in the week.
Reports in France now claim Chelsea boss Andre Villas-Boas is prepared to rival Roberto Mancini when the transfer window re-opens in January, should the La Liga giants be willing to sell the 23-year-old.
With concerns over the long-term fitness of Ghanaian international defensive midfielder Michael Essien, Chelsea are reportedly weighing up their options with regards to cover in the position.
Busquets has rapidly risen through the ranks at the Nou Camp to become regarded as one of the world's best in his position, making an impact at both domestic and international level since making his first team debut for the Catalan outfit in 2008.
The Spaniard would also add youth to an ageing squad at Stamford Bridge, whilst joining a growing crop of compatriots at Chelsea with Fernando Torres and Juan Mata already in the ranks.