On the first matchday of the new Champions League season, Haaland and Mbappe both scored. Manchester City defeated Porto 2-0 away from home, with Haaland scoring both goals; Real Madrid beat Inter Milan 2-1 at home, with Mbappe scoring for Real Madrid.
Haaland Matches Manchester City's All-Time Champions League Scoring Record

Against Porto, Haaland scored twice. With these two goals, his total number of Champions League goals for Manchester City moved level with Aguero's, making them joint top scorers in Manchester City's Champions League history.
Mbappe also scored on the opening matchday. He scored a goal for Real Madrid and received the Champions League Golden Boot award for last season's top scorer before the match.
Other Results from the First Matchday
Aston Villa defeated Club Brugge 3-2 away from home. Jackson scored his first goal since joining Villa, McGinn opened the scoring and became Villa's all-time leading scorer in European competitions, while Buendia also found the net. Previously, Villa had failed to score in their first three Premier League matches and had only one shot on target.
Borussia Dortmund defeated Villarreal 3-2, but Karesas was taken to hospital due to a "circulatory system issue." The club stated that Karesas is currently in good condition and is undergoing further examinations at the hospital.
Other results: AEK Athens 1-0 Linz, Lille 2-3 Real Betis.