What was missing for Man United at Hull?

Well, that wasn't the plan at all... Manchester United were beaten 2-0 at Hull City on the opening day of the new Premier League season, and we have to launch ourselves into the new campaign with another post-mortem. Did Hull's leadership decode United's weaknesses from pre-season, especially the defeat to AC Milan, or were Carrick's men simply undercooked? The manager certainly pushed back on the…