Gyokeres likes to drift to the left and cut in on his right foot but against Arsenal, he peeled onto Gabriel’s side instead. He did not find much joy, however, as Gabriel repeatedly manhandled him or stepped in front to cut out the pass to his feet.

The Gunners look to maintain their unbeaten record as they host the Portuguese league leaders at the Emirates.

Sporting CP fans set off fireworks over Arsenal's penalty area in the first half of their Champions League encounter. The Gunners won the match 5-1.