Van Persie has not played since suffering an ankle injury in the 2-1 defeat to Swansea on February 21 and was named on the substitutes bench for the 1-0 reverse at Chelsea last weekend.
But speaking ahead of the Super Sunday trip to Everton, van Gaal said the Holland international must prove both fitness and form with United’s U21s before he will be considered for a starting spot.
“He has to train very hard, play in the second team,” said van Gaal.??
“He has to show his qualities again. Then I have to compare him with the positions he can play, with the players that play in that position – it is always the same.”
Van Gaal refused to comment on United’s interest in PSV Eindhoven winger Memphis Depay following the Dutch club’s confirmation of an enquiry earlier in the week.??
“I don’t discuss it with the media,” he insisted. “You know my answer. I have a lot of relationships with players. I cannot buy all the players I have coached already.”