Chelsea boss Frank Lampard admits bedding down Hakim Ziyech has been difficult.

The £36m summer signing from Ajax has only played 46 minutes so far this season due to a knee injury he sustained in a pre-season game with Brighton.

During his pre-match conference ahead of their game with Manchester United, Lampard said: "It's been very difficult to integrate him.

"We have a bubble here at Cobham so we can't play against the Under-23s or bring over a lot of kids to replicate 11 vs 11 games on big-sized pitches, which is generally where you would want someone to be working when they've not played for five or six months.

"We miss that and we have to find the right way to give Hakim and others in the squad minutes as quickly as we can."