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Manchester United defenders have impressed new coach Louis van Gaal in their unbeaten pre-season tour with the Dutchman lauding the backline for adapting well to the new formation he has introduced since arriving at the club last month.
United defeated European champions Real Madrid 3-1 in the International Champions Cup match on Saturday to advance to Monday's final of the eight-team tournament against Liverpool in Miami.
The 20-times English champions have produced encouraging displays in the States, also beating Roma and Inter Milan, as they prepare for the start of the season under the 62-year-old coach.
United have played their tour matches with three centre backs and it will probably be the former Netherlands coach's preferred formation this season.
"It's amazing that they have picked up a new system like that, because it's not new for (Juan) Mata, for example - he plays in his position. Neither for (Wayne) Rooney, (Danny) Welbeck nor the two midfielders," Van Gaal said in the post-match press conference.
"The greatest impact with this new system is on the back line. But we only conceded one chance in the first half and two in the second."
Two first-half goals from Ashley Young and an 80th minute strike from substitute Javier Hernandez ensured United's victory in front of 109,318 people, the largest crowd to watch a soccer match in the United States.
Real's only goal came in the 27th minute when Gareth Bale converted from the spot after he was fouled in the box by Michael Keane.
Van Gaal said Keane and fellow defender Tyler Blackett would grow better with experience.
"You saw them play today and they can do the job but not for a lot of matches - they can do it for one match.
"Maybe when you give them more matches, their experience shall increase.
"But today the penalty was not so smart. He (Keane) has to learn from these errors.
"It's the same for Tyler - he can also play at this level but can he play match after match? That is the question and I cannot answer that at the moment."
Van Gaal said the victory will boost the confidence of the team, which finished a lowly seventh in the league last season and also missed out on qualification for the European tournaments under the then coach David Moyes.
"It's a very good result for us and it gives confidence to the players. I changed players in the second half but in spite of that,