Riccardo Calafiori could be poised to make his return to action, but will start amongst the substitutes on this occasion as Arsenal take on Atletico Madrid in the first leg of their Champions League s...

Arsenal visit Atletico Madrid in Champions League semi-final first leg

The Gunners are looking to maintain their unbeaten record in this season’s tournament and put themselves in the driving seat to reach their first final since 2006.