The Champions League last-16 draw pitted Arsenal against Serie A champions AC Milan.
In Euro Watch, we take a weekly check on the progress of Arsenal's European opponents in their domestic leagues.
Cagliari 0-2 AC Milan
Saturday, December 20
AC Milan moved to the top of Serie A with a comfortable 2-0 victory in Cagliari on Tuesday night. The visitors took the lead after just four minutes through Francesco Pisano's own goal, before Zlatan Ibrahimovic doubled their tally with half an hour remaining to secure all three points. The win sees Massimiliano Allegri's side take a one-point lead at the top of the table, with Juventus playing their game in hand at Udinese on Wednesday night.