He's got two settings.
The first is a slow, lackadaisical approach where he jogs about and doesn't impact the play.
The other is when he's charging about the pitch using his pace and strength to get after the ball and make things happen.
When he's in the first mode he's a liability but when he's on it I don't see any Premier League midfielder coping with his physicality. He's got the ability to walk all over other sides.