The Holland national team boss was officially announced as United's new manager on Monday and Beckham has joined the ever-growing chorus of people who have backed the move.
"He has got a history of working with young players, bringing players through academy systems at places like Ajax," Beckham told Sky Sports News.
"That can only be great for Manchester United.
van Gaal will take the reins at Old Trafford following his obligations with the Dutch side at the 2014 World Cup in Brazil.
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