Lucas Perez made the most of a rare start by scoring a hat-trick in Tuesdays 4-1 rout of Basel that sent Arsenal through to the Champions League last 16 as group winners.
The Spaniard missed over a month with an ankle injury following his move from Deportivo la Coruna in August but played a leading role in Switzerland as Arsene Wenger's men stole first place from Paris Saint-Germain in Group A.