In January 2011, on the last day of the transfer window, Chelsea bought Fernando Torres for a club-record-breaking and British-record-breaking fee of £50 million from Liverpool.

[3][4] Supplier: Adidas / Sponsor: Samsung Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Source: 2010–11 Premier League squad Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Source: 2010–11 UEFA Champions League squad Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Chelsea was paired with 2009–10 French Ligue 1 champions Marseille, as well as Russian Premier League's, Spartak Moscow and Žilina of the Slovakian Corgoň Liga.