Following Manchester City's shock 3-2 defeat to Cardiff City yesterday, their manager Manuel Pellegrini blamed his defence after they went AWOL for the two corners which the Premier League newcomers scored their decisive goals from.

More at fault than anyone yesterday was Joe Hart. For Cardiff's second goal the England keeper was in no-mans land as Fraizer Campbell was left unmarked to prod home, and with three minutes to go he should have done better again as Campbell headed home for his second and Cardiff's third. 

This isn't something which hasn't happened before, as Hart made numerous blunders last season as City failed to regain the Premier League title they won in 2012.

But it must be noted that when Hart was good last season, he was very good, but I rarely saw this kind of performance. For me his level of consistency stops him not only being one of the top keepers in the Premier League but also in the world.

That saying I think the level of expectation Hart has on his shoulders is ridiculous. He has no-one really challenging him for the number one spot at City and the likes of John Ruddy and Ben Foster are far too inexperienced at international level in comparison to Hart.

I believe if City did sign another top class goalkeeper he would take his game on to the next level and prove to people like me he is not overrated and overhyped.

Ever since he displaced one of the most consistent, if not the best Premier League keeper of the last decade in Shay Given in 2010, everyone expected Hart to be the next big thing in England.

It must be noted on his day he is one of the best in the world, but we haven't seen that in a while and the last time he demonstrated a performance of "world class" pedigree was at home to Borussia Dortmund in the Champions League group stages nearly a year ago

Is Hart become complacent as he has no real competition for the number one spot at his club or national side? Quite possibly.

But Hart is in a position where his status as England's number is certainly undisputed regardless, but at City I am not so sure that is the case.

There were reports this summer that Hart would have been replaced by Asmir Begovic as the club's number one goalkeeper, if Roberto Mancini and David Platt would have remained at the club.

I find that very interesting but not surprising as Joe Hart's level of performances have certainly dropped over the last few years, especially in the last season, but with the faith Manuel Pellegrini has shown in him, he can certainly become one of the best keepers in the world in the not too distant future.

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