Mancini: Hart has not been good enough for Manchester City this season

The Italian reveals his frustration after his goalkeeper's latest mistake gifted Southampton a goal in their shock 3-1 win over the Premier League champions at St Mary's Stadium
Manchester City manager Roberto Mancini says that goalkeeper Joe Hart has not been good enough this season.

The England international has made a number of high-profile errors for the Premier League champions in 2012-13, including a mistake which led to Southampton's second goal in a 3-1 win against City on Saturday.

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Hart also failed to clear in the build-up to Jason Puncheon's opener at St Mary's Stadium, in a defeat that Mancini admitted has all but ended their title hopes, and the Italian has pointed the finger at his No.1 keeper.

"It was a really bad mistake from Joe," the City boss told reporters.

"It was not good enough. It's not strange because he's done a few mistakes this year.

"Joe has made too many mistakes. He has not been good enough."

Hart was also criticised by Mancini after he slammed his team-mates following a 3-2 Champions League loss to Real Madrid in September.