The ex-Netherlands international, a giant at the back in the Treble-winning team of 1998/99, has no doubts at all that Onana will succeed at Old Trafford, after making the move from Internazionale.
Our new no.24 played under Stam in Ajax's Under-23s, where he honed the style that is sure to be something fans will grow accustomed to seeing when Erik ten Hag's team are in action.
Not only does the Cameroonian have the skills and confidence when using his feet but also the character and personality to thrive with the Reds.
"Andre is very comfortable on the ball," Stam told us.