For his part, Spanish clubs Real Madrid and Villarreal also settled their parties, albeit adjusted.
The Gunners of Arsenal got the scoring more generous to get rid of Porto, current champion of Portugal, on the one indisputable slate of 4-0.
The London team took advantage of two doubles, one of the steering wheel Dutchman Robin van Persie and one from Togolese striker Emmanuel Adebayor in the Emirates Stadium in the English capital.
For their part, the Diablos Rojos of Manchester came to visit succeed, thanks to the 3-0 that he endorsed the Danish Aalborg with a goal from Wayne Rooney and two from Bulgarian Dimitar Berbatov.
The outstanding performance of the British was the most prominent at the start of the day, which started with eight games yesterday and today is complete with eight others.
Both British clubs reached four points and confirm predictions that ranged as favorites to move on stage.
For the minimum. The bichampiĆ³n Spanish Real Madrid earned a laborious triumph by 2-1 in St. Petersburg before the local Zenit, one of the revelations of the European pre-season imposed in the UEFA Cup.
Whites harvested their second consecutive victory, but also suffered enough and ended up calling time.
An own goal to put a winning Tomas Hubocan to merengue. The Brazilian Danny partially tied until Ruud van Nistelrooy restored the advantage it once the Iberian table.
For his part, Villarreal gave an account of Celtic 1-0 and consolidated its good step in this beginning of the group.
A bit of Spanish and Brazilian Marcos Senna set the meeting for the Yellow Submarine.
Another possible candidate for the title, Bayern Munich of Germany, failed to get his second consecutive victory in the continental tournament and had to settle for a gray tie 1-1 in their own home compared with Olympique Lyon.
The Bavarians are still leaders of his bloc, but let go two points as premises that might make them need it later.
Among the matches today stands the duel between Inter Milan and Werder Germany. For his part, Cluj in Romania will look to their second consecutive surprise, this time against Chelsea, having left open-mouthed to Rome on the first day.
The group stage will culminate in December, when complete six dates. Quotas to the next stage is for the first two teams from each block.
Next year will take place in the clashes direct elimination, with the big lead until the final on May 27 at the Olympic Stadium in Rome.