However, he is supremely confident that Hart is the player who will work extra hard to get himself back into the reckoning at City.
"I'm disappointed for him because I know he wants to play," he told Sky Sports News.
"I believe he is an excellent goalkeeper but he has lost his place in the team at this moment in time.
"But I shall wait until much further down the road when it comes to selecting a group of players to go to Brazil before I start to get concerned about it.
"I just trust that the goalkeeper he is with the qualities he has will force his way back into the team."
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