And Meulensteen has revealed that Giggs could have been United’s next boss after Ferguson had chief executive David Gill not left in 2013 as well.
“If (chief executive) David Gill had not quit, too, then maybe Giggsy would have been appointed manager, with Ferguson in the background taking care of certain aspects, and the machine room – the coaching staff – would have remained the same,” he said.
“Five years on, I still think it was an unbelievable opportunity for David, which he misjudged.
“He misread the difference between Everton and Manchester United, which is like going from a yacht to a cruise ship.
“He will never admit that, though.”
GETTY
Man Utd news: Rene Meulensteen worked closely under Sir Alex Ferguson
Giggs: Man Utd could have successful season despite criticism
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Meanwhile, Giggs hopes Ferguson recovers from a brain haemorrhage.
The legendary Scot remains in hospital with reports claiming he is now sitting up and talking with his family.
And Giggs said: "Now is the time to pray and hope he can make a full recovery.
"He has been the biggest influence in my career, both on and off the pitch.
"I know the operation has been a success - but he is a fighter and that is what makes me think that he will be able to make a recovery."