article_snippet.sent: ’ PSG face Barcelona in the second leg of their last-eight Champions League tie on Tuesday.
article_snippet.sent: their must overhaul a 3-1 deficit to progress to the semi-finals.
highlights_snippet.sent: PSG face Barcelona in the second leg of Cristiano Ronaldo and Lionel Messi
highlights_snippet.sent: last-eight Champions League clash in the Nou Camp on Tuesday...
highlights_snippet.sent: Cristiano Ronaldo and Lionel Messi trail 3-1 in the tie .
  
highlights_snippet.sent: Laurent Blanc admits getting past Barca is 'practically impossible' 