Barcelona star Lionel Messi scored his 37th club hat trick while Arsenal playmaker Mesut Ozil netted the first trio of goals of his career.
Arjen Robben and Joshua Kimmich both nodded home goals as Bayern Munich sealed their 14th Champions League home win in a row in a 4-1 defeat of PSV.
Barcelona goalkeeper Marc-Andre ter Stegen has backed Claudio Bravo to bounce back from his poor display in Manchester City's 4-0 loss.
Pep Guardiola refuted claims that Manchester City's 4-0 defeat to Barcelona at Camp Nou on Wednesday was his worst loss ever.
Luis Enrique's tactical alterations paid off as Barcelona ensured that Pep Guardiola's homecoming was not a happy one.
Luis Enrique praises Lionel Messi's performance against Man City, but notes such efforts have become the norm for him.