Lionel Messi scored the opening goal in the 2-2 draw between Barcelona and PSG, but suffered a hamstring injury and did not reappear for the second half.
Barcelona thought they had snatched victory right at the death, when Xavi slotted home from the penalty spot, after Alexis Sanchez was brought down in the box.
With the last kick of the game, Blaise Matuidi struck the equaliser to give PSG a share of the spoils, leaving Victor Valdes with his head in his hands.
Austrian defender David Alaba scored within the first 30 seconds of the match and Thomas Mueller scored the second, as Bayern brushed aside a below-par Juve.