UEFA Champions League holders, Real Madrid came from 1-0 down to win late in their game against Sporting CP at the Bernabeu.
Cristiano Ronaldo's 89th-minute free kick cancelled Bruno Cesar’s 47th-minute strike before a stoppage time header from Alvaro Morata clinched the three points.
English Premier reigning champions, Leicester City showed not signs of stage fright as they beat Club Brugge 3-0 at the Jan Breydel Stadium in Belgium.
Riyahd Mahrez got a brace through a free and a penalty after Marc Albrigton's opener.
Sergio Aguero got a hat-trick as new Manchester City boss, Pep Guardiola opened his Champions League account at the club with a 4-0 win over German side, Borussia Monchengladbach at the Etihad Stadium.
Youngster, Kelechi Iheanacho scored the fourth goal after coming off the bench.
Below is the full results of Wednesdays fixtures of Matchday 1 of the UCL:
Wednesday, 14 September