Galatasaray star, Victor Osimhen scored the decisive goal as the Turkish side beat Liverpool 1-0 in the UEFA Champions League on Tuesday night.
Osimhen converted from the spot in the first half, securing their first three points of this season’s competition.
In London, José Mourinho suffered defeat on his return to Stamford Bridge, as his Benfica side fell 1-0 to Chelsea.
Elsewhere, Bayern Munich made it two wins from two, comfortably seeing off competition debutants Pafos 5-1 away from home.
Last season’s beaten finalists, Inter Milan, also maintained a perfect record with a commanding 3-0 victory at home against Slavia Prague.
Finally, Atlético Madrid (5-1 vs. Eintracht Frankfurt) and Marseille (4-0 vs. Ajax) both bounced back from opening-day defeats to claim their first points of the campaign.