article_snippet: Louis van Gaal said this week this week could take Di Maria - hauled a year to adapt to life at Old Trafford - but it took the Manchester United boss 59 minutes to decide the United boss had seen enough at St James' Park.
article_snippet: United's record £60m signing has struggled to adapt after a bright start to his Old Trafford career .
article_snippet: The Argentina international is ushered back to the dug out after being substituted on 59minutes .
article_snippet: Louis van Gaal hauled Angel di Maria off early for a second consecutive Premier League game .
highlights_snippet: Louis van Gaal has claimed Argentina star could need a year to adapt .