Aston Villa manager Dean Smith has revealed Morgan Sanson will be sidelined for the next month with a hamstring injury.

The French midfielder sustained the injury in Wednesday's Carabao Cup third-round loss to Chelsea.

"He just felt a twinge in his hamstring," Smith told the club's website ahead of Saturday's trip to Manchester United.

"We don't believe it's going to be a bad one, he actually carried on for two or three minutes after which proves to me it's not a bad one. It's just he felt the twinge and knew it was time to get off.

"He's been missing for the last three or four months with a knee injury and he's worked really hard to get back to full fitness. He was building up his game minutes, so really frustrated for him but it will only be a small step backwards, that's for sure."