But they will return to the UK with another major headache following news that Kai Havertz has picked up a hamstring injury that could rule him out of the rest of the season.
Arsenal are reeling from another injury nightmare as they prepare to return to Premier League action against Leicester City this weekend.
Mikel Arteta and his squad have been out in Dubai for a mid-season training camp, hoping to replicate the huge impact the break had on his squad last season.
Havertz’s devastating injury completes a hat-trick of hamstring issues for the Arsenal front line.
It leaves Arteta with the options of Leandro Trossard and Raheem Sterling in attack, with Ethan Nwaneri now likely to see out the season in a more advanced role.
