The European champions league football returns tonight with top fixtures scheduled. Barcelona will be locking horns with Bayern Munich.
Barca is still struggling in post Messi error with 8000 tickets for the game yet to be sold.
Nou camp has been given a green light to have 40 k fans but only 30 k have been bought .
Barça were beaten 2-8 by Bayern Munich two years ago and have the chance to take some small revenge this week.
In other matches Manchester united travel to play young boys in Switzerland and defending champions Chelsea will be home to play Zenit St Petersburg .
Sevilla host RB Salzburg and Dynamo Kyiv play Benfica .Europa champions Villareal begin their campaign against Italian side Atalanta.
French champions Lille will be home to invite German side Wolfsburg and Malmo host struggling Juventus.