Napoli goalkeeper Alex Meret reacts after Arsenal’s Alexandre Lacazette scores his goal. Photograph: Steven Paston/PA Wire

Napoli 0 Arsenal 1 (Agg: 0-3) For all the moments this season when critics have scratched their heads struggling to put their finger on what the iden(...)

Rennes  striker  Ismaila Sarr  heads home his side’s  third goal during the  Europa League round of 16 first leg against Arsenal at  Roazhon Park. Photograph: Loic Venance/AFP/Getty Images

Rennes 3 Arsenal 1 This was not just a defeat, it was a disintegration by Arsenal. They got off to an ideal start thanks to Alex Iwobi’s goal inside (...)