Van Gaal issues warning to Depay
![Van Gaal issues warning to Depay](http://static.goal.com/2070400/2070422_gallery.jpg)
![Memphis Depay Manchester United Memphis Depay Manchester United](http://static.goal.com/2070400/2070422_thumb.jpg)
The Red Devils boss insisted that he still believes in the 21-year-old but suggested that the player has to adapt if he is to remain at Old Trafford
The Red Devils boss insisted that he still believes in the 21-year-old but suggested that the player has to adapt if he is to remain at Old Trafford