Real Madrid fashioned a stunning comeback to beat ManchesterCity 3-2 in a classic Champions League match with a last-gasp Cristiano Ronaldo strike in their Group D opener on Tuesday.
There were also wins for Paris St Germain, who beat Dynamo Kiev 4-1 on their return to the competition after eight years, newcomers Malaga, who beat Zenit St Petersburg 3-0 and former Champions League.
Holders Porto who won 2-0 at Dinamo Zagreb. In a clash of ex-European title winners Borussia Dortmund beat Ajax Amsterdam 1-0 while seven-times European champions AC Milan were booed off after. a 0-0 home draw against Anderlecht. Arsenal rode their luck to beat French champions Montpellier 2-1 away after conceding an early penalty.