Bayer Leverkusen, CSKA Moscow, BATE and Astana all reached the Champions League group stages on Wednesday night.
Serie A champions Juventus saw their 47-match unbeaten home league record come to an end against Udinese.
Differing fortunes for Rome rivals as Lazio beat Bologna and Roma are held by Verona on Serie A's opening day.
With Gazza set to appear on Soccer AM this weekend, we look back at his most iconic moments.
Keita Balde came off the bench to score the winner as Lazio beat Bayer Leverkusen 1-0 at the Stadio Olimpico in Rome.
New signings Mario Mandzukic and Paulo Dybala scored as Juventus beat Lazio 2-0 to win the Italian Supercoppa in Shanghai.