Just two points separate United from the Premier League relegation zone and though only eight games of this fledgling Premier League season have passed, it remains rather mystifying how a club of such great riches can also be the source of such startling ineptitude. “I don’t know what is happening,” said goalkeeper David de Gea after being asked for his assessment of United’s dreadful start to the season. United has now scored just nine goals in eight leagues — and four of those came on the opening day of the season. For those such as Gary Neville, a former United player who enjoyed great success under Alex Ferguson, the blame for the club’s demise is clear. “The quality is not right, the depth of their squad is not good enough and they have taken a step back,” Neville told Sky Sports after the defeat at Newcastle. “Their recruitment has been bad now and woeful for many years, they have been all over the place, with different styles of managers and ways of playing. “They need five or six top players into that squad, and they are going to cost a lot of money.” Neville added: “(The board) have cocked this…