The Uruguayan added to Serge Aurier's early goal to secure the win against Hubert Fournier's men, who had Maxime Gonalons sent off
Edinson Cavani was on target as Paris Saint-Germain defeated Lyon 2-0 in the Trophee des Champions showdown on Saturday.
Laurent Blanc's side clinched the domestic treble in 2014-15, winning Ligue 1, the Coupe de la Ligue and the Coupe de France to further assert their dominance in the French game.
And Saturday's triumph at the Stade Saputo in Montreal means PSG have now won the traditional season opener in each of the last three years.
Serge Aurier headed in the first goal from close range following a set-piece, before Edinson Cavani lashed a half-volley high into the net as PSG took complete control inside 20 minutes.
