The pair have been reunited for a new exclusive chat, in a collaboration with the club’s principal partner TeamViewer.
And in a warm and wide-ranging discussion, they quickly came to talking about the Portuguese’s incredible first showing in a Reds shirt – a dramatic substitute appearance against Bolton Wanderers at the start of the 2003/04 season.
Sir Alex admitted that Ronaldo’s 30-minute cameo was so impressive, it caught him off guard and gave him a huge selection issue for the next game.
“I always remember,that when we had the discussion [about Ronaldo signing for United], I think the thing I wanted to impress on his agent, in particular, [was that] he won't play every game,” explained Sir Alex.