Barcelona, PSG, Bayern Munich and Manchester United secure wins in Champions League round four

The fourth round of the Champions League league phase produced wins for Barcelona, Paris Saint-Germain, Bayern Munich and Manchester United on Tuesday.

• Barcelona beat Aston Villa 3-0 at Camp Nou with goals from Lamine Yamal and a Raphinha double, rising to nine points in second place.
• Paris Saint-Germain won 6-0 at Villarreal after scoring four goals in the opening 17 minutes.
• Bayern Munich defeated Atlético Madrid 2-0 away, with Karl Lenart and Konrad Laimer scoring in the second half.
• Manchester United overturned a 0-2 deficit to beat Roma 3-2, with Bruno Fernandes and a Matheus Cunha double leading the comeback.