On 12 June 2014, English Premier League team Chelsea signed Fàbregas on a five-year contract for a fee of around £30 million. Fàbregas said that Arsenal were given the first option to buy him back, but they turned him down. He also said that he had "unfinished business" in the Premier League. The former Arsenal captain joined their London rivals despite claiming in 2011 that he would never sign for another English club.
Fàbregas made his competitive debut for Chelsea on 18 August as the team began their league season away to Burnley; he played the full 90 minutes of a 3–1 victory, providing two assists. He was a nominee for the Premier League Player of the Month in August 2014, with the accolade going instead to another new Chelsea signing, Diego Costa. On 13 September 2014, after providing two assists in Chelsea's 4–2 victory over Swansea City, Fàbregas became the first player ever in Premier League history to record at least one assist in six successive games; four under Chelsea and two under Arsenal during the 2010–11 season. Four days later he scored his first goal for the club, opening a 1–1 draw at home against Schalke 04 in Chelsea's first match of the Champions League group stage.
His first league goal for Chelsea gave them a 2–1 win at Crystal Palace on 18 October, capping off a 19-pass move. Fàbregas also completed 123 passes, the most by any player on either side.[84] On 10 December, with Chelsea already through to the knockout stage as group winners, Fàbregas scored an eighth-minute penalty to open a 3–1 Champions League victory over Sporting Lisbon. Twelve days later he scored a second league goal, set up by Eden Hazard and concluding a 2–0 win away to Stoke.
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