Paris Saint-Germain produced the biggest victory of Tuesday's UEFA Champions League action, thrashing Villarreal 6-0, while Manchester United grabbed attention with a dramatic comeback against Roma at Old Trafford.

PSG scored four times in the opening 17 minutes before adding two more after the break to maintain their perfect record in the competition.

Joao Neves, Desire Doue, Senny Mayulu, Fabian Ruiz, who scored twice, and 17-year-old David Boly were on target as the French champions strengthened their position at the top of the standings.

Manchester United also enjoyed a memorable evening after recovering from two goals down to beat Roma 3-2.

Matias Soule and Donyell Malen had given the visitors a commanding first-half advantage, but Bruno Fernandes pulled one back from the penalty spot before Matheus Cunha scored twice to complete the turnaround. Cunha was subsequently sent off in stoppage time.

Barcelona defeated Aston Villa 3-0, with Lamine Yamal opening the scoring before Raphinha added a second-half brace. The result ended Villa's unbeaten start to the competition.

Bayern Munich secured a 2-0 away victory against Atletico Madrid through goals from Lennart Karl and Konrad Laimer.

Inter Milan also returned to winning ways with a comfortable 3-0 victory over Feyenoord, while Sporting CP edged Shakhtar Donetsk 1-0.

Elsewhere, Galatasaray defeated Stuttgart 2-0, LASK thrashed Slovan Bratislava 4-0, while Bodo/Glimt and Lille settled for a goalless draw.

The results produced significant changes in the league phase standings, with PSG maintaining top spot and Barcelona moving into second place.