United lost further ground on the top four after being held to a goalless draw at home to struggling Hull.
They're four points off the Champions League places after that stalemate.
- Advertisement -
United boss Jose Mourinho says he can understand why their relegation-threatened opponents adopted a defensive approach in the game.
Manchester City moved within a point of second-place with a 4-0 victory at West Ham.
City still trail leaders Chelsea by 10-points.
Peter Crouch netted his one-hundredth Premier League goal as Stoke drew 1-apiece with Everton.
