Inter snatched a 1-0 victory over Arsenal in the headlining act of Wednesday's UEFA Champions League action, handing the English side their first defeat of the competition in the process. The game's lone goal came in first-half stoppage time when Hakan Calhanoglu converted a penalty that was awarded after Arsenal's Mikel Merino was called for a handball.

Matchday four of the Champions League saw the two of the most successful sides in the competition facing off, as well as a former Liverpool legend returning to Anfield. Real Madrid hosted AC Milan in a bid to recover after a poor start to the season by their lofty standards,