"I've been there since I was 12 and maybe he took a special interest because I was Scottish. But I know when I signed it didn't matter if you were Scottish, Norwegian or whatever. If you are not good enough, you won't get in the team.
"I've been in the youth team with a lot of Scottish players. A lot of Scottish players have been there and I don't think the manager would have had the success he's had if he only wanted Scottish players in his team.
"I get a lot of people saying I'm only picked because I'm Scottish and that's fine. It's water off a duck's back. People will say what they want, there is nothing you can do about that."
Fletcher admits he has a strong relationship with Ferguson, but no more so than any other of his teammates.
"We can talk about Scottish football, but at the same time he's talking to Ronaldo and Nani about the Portuguese game," he said.
"He loves his football that much that he goes home and watches all these games. He will talk to me about Celtic and Rangers and the Scotland game, but at the same time he will talk about Sporting Lisbon's game.
"You want to learn from the best and if I didn't achieve it here I always said I could say I gave my best and if I came up short then fine."