Arsenal manager Arsene Wenger has revealed that Shkodran Mustafi will miss at least three weeks with the injury he sustained during this afternoon's 3-1 win over Stoke City.

Mustafi was forced off after just 25 minutes at the Emirates Stadium having sustained a hamstring injury.

Arsenal were forced to come from behind to pick up the win, climbing to the top of the Premier League table in the process, but the victory was dampened somewhat by Mustafi's injury.

"It's a bad one. The minimum is 21 days," Wenger is quoted as saying by BBC Sport.

Mustafi's absence is likely to see him miss matches against Everton, Manchester City and West Bromwich Albion.