Playing their first UEFA Champions League match after the departure of Lionel Messi, Barcelona could not stand the fire power of Bayern Munich. Despite playing at Camp Nou, Barcelona could not muster a single shot on target.
Thomas Muller scored his seventh career goal against the Catalan side when his first half effort found the back of the net off Eric Garcia’s back.
Robert Lewandowski made it a rout when he scored his 74th and 75th Champions League goals in the second half.
This defeat means Barcelona have lost three consecutive European matches for the first time in their entire history.
In other results, Dynamo Kyiv and Benfica settled their encounter goalless while Young Boys shocked Manchester United 2-1. Villarreal and Atalanta played out a 2-2 draw.
In group G, Sevilla and RB Salzburg played out a 1-1 draw while French champions Lille and Wolfsburg ended their encounter goalless.
In group H, Romelu Lukaku scored his first Champions League goal for Chelsea to give the defending champions a lone goal victory over Zenit St Petersburg while Malmo FF were whitewashed 0-3 by Juventus.