Five Things Manchester United Still Need To Improve Despite Arsenal Win, Including Robin Van Persie Woes

Choose a formation

Van Gaal played with three at the back on Saturday, and even though it worked this time the constant changes in formation must make it hard for players to know their roles in the team.

There were also several moments during the game where the back three looked shaky when put under pressure. Maybe a final decision on how they play is needed, and maybe it should contain a back four.