The second round of the Champions League saw several surprising results on Tuesday, alongside Slavia’s match in Baku. Lens, who previously defeated the Czech champions, lost 0-2 to Sporting. Norwegian side Viking shocked Bayern Mnichov with a 3-3 draw, marking the biggest upset of the day. In a high-scoring affair at San Siro, Bruggy defeated Inter 4-3. Elsewhere, Arsenal overcame Lille, while Barcelona defeated Galatasaray. Atlético Madrid bested Manchester United, RB Lipsko triumphed over PSV, and Villarreal defeated Napoli at home.