A second Champions League double in a row from Dimitar Berbatov helped Manchester United beat Celtic 3-0 on Tuesday, keeping the European champions top of Group E alongside Villarreal who beat AaB Aalborg 6-3.
United and Villarreal are level on seven points after three matches with Celtic and Aalborg trailing on one point.
Bulgaria striker Berbatov pounced on the half-hour to put United ahead before adding a second in the 51st minute and England forward Wayne Rooney wrapped up the victory in the 76th with his ninth goal in seven games for club and country.
A hat-trick by substitute Joseba Llorente helped Villarreal overwhelm Danish side Aalborg on a night when 36 goals were scored to equal a Champions League record from Sept. 13 2000.
Arsenal remained in pole position in Group G with the 5-2 demolition of Fenerbahce in Istanbul, ending the Turkish club's 15-match unbeaten home record in Europe.
The English side have seven points, two points ahead of Dynamo Kiev who beat Porto 1-0 away. The Portuguese have three points and Fenerbahce just one point after three games.
Alessandro Del Piero and Amauri gave Juventus a 2-1 win over Real Madrid in Group H in Turin where Ruud Van Nistelrooy pulled a goal back for the visitors who could not find an equaliser. Juve are top on seven points with Real just a point behind.
Zenit St Petersburg were held 1-1 by BATE Borisov in Tuesday's early kickoff, leaving the Russian UEFA Cup holders bottom of Group H on one point with their Belarussian opponents also struggling a mere point above them in the standings.
Bayern Munich overcame Fiorentina 3-0 to remain in pole position on seven points in Group F two points ahead of Olympique Lyon who won 5-3 at Steaua Bucharest. The Italians are third on two points with the Romanians stuck on one point.