Although the transfer window was something of a disaster for the Red Devils, when Carrick returns from international duty he will have increased competition for his starting spot.
As manager David Moyes has pointed out, Fellaini is capable of fulfilling a number of roles, including the deep-lying one Carrick tends to carry out.
But the 31-year-old is not bothered by the Belgian's impending arrival.
As far as he is concerned, the more talent Moyes has at his disposal, the better.
"It's something I welcome," said Carrick.
"The more top quality players you have in your squad, whether it's in my position or not, the better it is for the team.
"It's not a case of me thinking 'I might not be in the team', I will still have to play well to be in it regardless."
Carrick could be forgiven an element of frustration.
After all, though it was in his usual understated way, Carrick's acceptance last term was his best campaign was merely confirming a widespread opinion that got him on the shortlist for the Professional Footballers' Association's Player of the Year award.
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