Possible line-ups
Barcelona: Ter Stegen; Semedo, Piqué, Lenglet, Alba; Rakitić, Busquets, Arthur; Messi, Suárez, Dembélé
While Rafinha who has knee injury is out, Vermaelen (hamstring) is doubtful.
Busquets and Semedo will miss next match if they get any booking in this game.
Manchester United: De Gea; Dalot, Lindelöf, Smalling, Young; McTominay, Fred, Pogba; Rashford, Lukaku, Martial
The following plays are out of this match: Bailly (concussion), Herrera (thigh), Shaw (suspended), Valencia (calf).
Herrera, Matić, Valencia, Young will all missed next match if any of them gets booked in this game.
Key battle
Messi v Smalling : It took a broken nose and bloody face for Messi to leave Old Trafford without a goal. Thanks to Smalling. We know Messi always likes to have the last laugh and his style of revenge is by humiliating his opposition with magical goals.