[caption id="attachment_22460" align="alignnone" width="580"]Messi04 Messi celebrating after his hattrick against Celtic. File Picture[/caption] Internet Desk : Celtic’s heaviest ever European defeat by 7-0, came in the 50th anniversary season of them in Lisbon. Things might have been different if Dembele had not missed that first-half penalty, but their second-half display in the game was horrific. Barcelona legend Lionel Messi has completed his hat-trick on 60th minute by a sublime pass from Luis Suarez, his first and second goal came on 3rd & 27th minute. The other scorers from Barcelona are Luis Suarez (2), Neymar, Junior & Iniesta . On other hand PSG has scored in just 42 seconds against Arsenal but couldn’t retain their lead as Sanchez scored it level in 77th minute. The things went a bit nervy when Verratti and Giroud were red carded and both the team went down to ten men. Inspired David Ospina justified his Champions League selection for Arsenal as he played brilliantly for his team and saved atleast 3 or 4 goal-bound attempts in the game . Bayern Munich started their campaign with a one-sided victory in Group D as they outran Rostov 5-0 at home. Robert Lewandowski, from the penalty spot and Thomas Muller put Bayern in the double lead before the break and a second-half goal from Kimmich and a late strike from Juan Bernat effort completed the triumph. Bayern have now recorded 13th successive home victory in the competition. Bayern Munich's dream run continues under Carlo Ancelotti's coaching as they won their last 5 matches out of 5 under his coaching as they have scored 20 goals in these matches without conceding a goal . In other results Basel & Benifica played a draw in their respective group game and Ateletico Madrid has started their campaign with a 1-0 win .