Arsenal won 2-0 away to Athletic Bilbao as the league phase of this season's Champions League kicked off on Tuesday, with two Kylian Mbappe penalties giving Real Madrid a narrow win over Marseille. https://www.japantimes.co.jp/sports/2025/09/17/soccer/cl-opening-night-arsenal-real/?utm_medium=Social&utm_source=mastodon #soccer #championsleague #realmadrid #arsenal