Barcelona conceded one of the fastest goals ever scored in the Champions League and then suffered the shock of a stoppage time equaliser as they began the defence of their crown with a 2-2 draw at home to AC Milan.
Chelsea's annual pursuit of the continent's biggest club prize that has so far eluded them began in encouraging fashion for the latest coach tasked with the mission as Andre Villas-Boas's team beat Bayer Leverkusen 2-0.
The other Anglo-German tussle ended in a 1-1 draw between Bundesliga champions Borussia Dortmund and Arsenal in northern Germany.
