Arsenal are waiting to see if Kai Havertz is going to be on the sidelines for a period of time after the forward picked up a knee injury. The 26-year-old was not part of the open training session held at Emirates Stadium on Wednesday and the injury is being assessed by the medical department.

We don’t know any details and so speculation about Havertz’s injury and what Arsenal will do is just that — speculation. Havertz could miss a couple weeks, a month, a couple months, or the rest of the season.

Arsenal forward Kai Havertz is set for a spell on the sidelines after suffering a knee injury, sources have told ESPN.