For Manchester United manager David Moyes, replacing an iconic figure such as Sir Alex Ferguson always promised to be an immensely difficult and ultimately thankless task.

Despite having enjoyed a better start statistically than many of his Old Trafford predecessors, the 50-year-old Scot has faced increasingly intense criticism from fans and pundits alike in recent weeks. 

Such arguably unwarranted and exaggerated criticism has largely centred on the club's hugely disappointing defeats to rivals Liverpool and Manchester City, but has also concerned Moyes' apparent failure to secure many of his preferred transfer targets during the summer window.

Despite United displaying a number of slightly more encouraging signs in last night's narrow Carling Cup triumph over Brendan Rodgers' outfit, here GMS lists five things that Moyes should be concerned about while he continues to attempt to win over the legions of United fans and prove himself a credible heir to Ferguson.

Feel free to comment on our selections or leave your own suggestions below...

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