We return to Europa League action on Thursday night when Vorskla Poltava visit Emirates Stadium.
The Ukrainian side came third in the Ukrainian Premier League last season and will be hoping to make a memorable start to their Europa League campaign.
Unai Emery oversaw training at London Colney on Wednesday - and these are the pictures that our photographers sent back.
Copyright 2023 The Arsenal Football Club plc. Permission to use quotations from this article is granted subject to appropriate credit being given to www.arsenal.com as the source.