Joao Felix, Antoine Griezmann and Luis Suarez disappointed as Atletico Madrid stumbled to a goalless draw against FC Porto.
Erling Haaland scored his 21st Champions League goal as Borussia Dortmund beat Besiktas 2-1 on Wednesday.
Borussia Dortmund brace themselves for a tricky test in Istanbul this midweek as they face Besiktas on Wednesday.
Atletico Madrid will be hoping to maintain their winning momentum when they take on FC Porto at Wanda Metropolitano on Tuesday.
Eric Maxim Choupo-Moting bags four goals and three assists as Bayern Munich steamroll SV Bremer, securing a 12-0 victory.
Bayern Munich are aiming for three wins in three matches as they take on Bremer SV in the first round of the DFB Pokal on Wednesday.
Kepa Arrizabalaga emerged as the hero while young Trevoh Chalobah impressed as Chelsea beat Villarreal via a penalty shootout to lift the UEFA Super Cup.
Trevoh Chalobah gets the nod in defence while N'Golo Kante captains the side as Chelsea get set to take on Villarreal in the UEFA Super Cup.
N'Golo Kante and Hakim Ziyech ought to start while exit-linked Tammy Abraham is in contention as Chelsea take on Villarreal in the UEFA Super Cup.
Chelsea will square off against Villarreal in the traditional curtain-raiser of European football for the 2021/22 season, the UEFA Super Cup.