Juan Mata scored as Manchester United thumped Manchester City . Victory sends Louis van Gaal 's side four points clear of their rivals in third . Manchester United are now just one point adrift of second placed Arsenal . TL;DR
Juan Mata scored as Manchester United thumped Manchester City . Victory sends Louis van Gaal 's side four points clear of their rivals in third . Manchester United are now just one point adrift of second placed Arsenal . Mata has challenged his teammates to keep on fighting right to the end .