 Complete the following phrase:  Márquez was Guardiolas first-choice at centre back along with captain Puyol for the 200809 season. On 13 December 2008, Márquez played his 200th match for Barcelona in their 20 win against Real Madrid. On 28 April 2009, during Barcelonas 200809 Champions League semi-final match against Chelsea, Márquez sustained a knee injury which required surgery, meaning he would miss the remainder of the season. Barcelona would go on to complete a historic treble after winning the Champions League 