Anthony Martial could be fit to face Liverpool on Sunday.
It's been confirmed that the forward will return to training this week after suffering a hamstring injury.
Liverpool take on The Red Devils at Old Trafford on October 20.
Jurgen Klopp's side have won all eight of their opening league games.

PSG retain Champions League title with shoot-out win over Arsenal
French Open champion Gauff knocked out by Potapova in third round
Sabalenka sees off Kasatkina to reach French Open fourth round
Parry stuns Anisimova to reach first Grand Slam fourth round at French Open
Osaka survives three-set scare against teenager Jovic