|Every player wants to play each match for 90 minutes, but as a manager I need to use the player in the best moment,
His progress this season is amazing,
I don't know how long it will take him out of the team, but maybe two or three weeks,
We spoke about that – 'Maybe in two or three weeks I can play some matches' – and we are going to wait for that,
It is a muscular injury. Normally it will be some weeks out for him. But we have other players and we can find a performance and rotate players,
Emery told BT Sport.