Arsenal forward Kai Havertz is set for a spell on the sidelines after suffering a knee injury, sources have told ESPN. The 26-year-old missed an open training session at Emirates Stadium on Wednesday but it is currently unclear how severe the issue is.

The injury to Havertz casts a new light on Arsenal's decision to bring in Gyokeres, while also starting an intense transfer battle with Tottenham for the likes of Eberechi Eze