The west Londoners secured a 2-2 draw with 10 men at Camp Nou in 2012 to end the Catalans' hopes of a third Champions League crown under Pep Guardiola
It was a night of collective sadness at Camp Nou. Lionel Messi missed a penalty and ended up in tears as Chelsea broke Barcelona's hearts in a 2-2 draw which was the beginning of the end for Pep Guardiola's great side.
Barca had lost the first leg of the sides' semi-final 1-0 at Stamford Bridge, but remained confident they could turn it around in the second game at Camp Nou as they sought to retain their Champions League crown and win the trophy for a third time under the Catalan coach.