France, April 15 -- Paris Saint-Germain coach Luis Enrique warned his quadruple-chasing squad to guard against complacency during the second leg of their Champions League quarter-final clash against Aston Villa.

PSG go into Tuesday night's match at Villa Park lin Birmingham, central England, leading 3-1 from a scintillating display in the first leg at the Parc des Princes on 9 April.

Enrique's men came from behind to overpower Villa and establish themselves as favourites to advance to the last four of European club football's most prestigious tournament for a second consecutive season.

"The tie is not over," Enrique cautioned on the eve of the game. "We have a lot of maturity within the team to not listen to all the noise going on outs...