Former Arsenal player Alexis Sanchez made his French Ligue 1 debut in Marseille's nervy 2-1 win over Nantes. The win helped last season's runners-up garner seven points from three league games while Nantes are still winless. In other gameweek 3 matches, Lyon humbled Troyes 4-1 while Monaco suffered a 1-4 thrashing at the hands of early pacesetters Lens. Later, holders Paris Saint-Germain travel to Lille.