Italian midfielder Thiago Motta scored twice as Paris St Germain romped to a 4-1 win over Olympiakos Piraeus in their Champions League Group C opener on Tuesday.
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Edinson Cavani gave Laurent Blanc's side the lead against the run of play with a simple tap-in before Olympiakos levelled when Slovakia forward Vladimir Weiss jinked his way through the defence to score after 25 minutes.
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PSG turned on the style in the second half with Motta twice heading in corners from Ezequiel Lavezzi and the Italian turned provider to set up a headed 86th minute goal for debutant Marquinhos.
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The Paris club also missed a penalty when Zlatan Ibrahimovic's effort was saved by keeper Roberto in the 82nd minute.
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"I was never afraid we might lose," Blanc told reporters. "Olympiakos caused us many problems in the first half.
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"They came at us but we knew if we stuck to our game we would get our chances in the second half because they would begin to tire ... and so it proved."
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Olympiakos started the game brightly and were unfortunate not to score when Weiss crashed a long- range drive against the bar before rattling the post with another snap shot.
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PSG strikers Ibrahimovic and Cavani saw little of the ball in the opening half but the danger they posed was demonstrated in the 19th minute when the Uruguayan tapped in a pass from defender Maxwell.