Bayern Munich have seized control of their Champions League last-16 tie against Arsenal, winning their first leg tie 3-1 in London.
Toni Kroos, Thomas Mueller and Mario Mandzukic scored for the Germans, while Lukas Podolski scored for the Gunners.
Porto beat Malaga 1-0 in the other match in Portugal.
On Thursday AC Milan host Barcelona and Galatasaray welcome Schalke.
