data-mm-id=”_174rakghw”>Manchester United just cannot catch a break.Once they were the kings of England, if not all of Europe, almost guaranteed to bring home at least one trophy every season. Nowadays they're that team – they hang around in the bottom half of the Premier League's top 10, just barely clinging to their God-given spot in whatever European competition they can get get into each year.None of the four managers that came into Old Trafford since Sir Alex Ferguson's retirement in 2013 have come close to filling the old Scotsman's shoes. Since David Moyes flamed out, each one has gone through the same cycle – hailed as the second coming of Ferguson, gotten hot early in his tenure only to be criticized for his team's poor form and limp attacking style (w…