Crystal Palace 0-0 Man Utd: Louis van Gaal concerned by lack of goals

Manchester United manager Louis van Gaal admits that his side's lack of goals is "a big concern" after a third consecutive 0-0 draw, this time away at Crystal Palace.

The Dutchman says his side "don't keep the ball so easily" and that he "cannot complain about the result".

Manchester United have drawn three successive games 0-0 for the first time since January 2005.