Hart pulled off some decent stops and had little chance with either of the visitors' goals as the England number one made a steady return to club action having recently been dropped by Manuel Pellegrini in favour of Costel Pantilimon.
"Nothing's changed for him," City midfielder Milner told Sky Sports. "He keeps going, keeps working hard.
"He's pulling off great saves in games when he's getting opportunities. He's a great pro and he knows he's just waiting for his chance and hopefully he can take it when it comes."
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