There has been open criticism of Michael Carrick's backroom staff appointments at Manchester United, which is one of the most important issues any manager has to address when joining a new club. Using my experience of that situation, I want to try to explain his thinking with the people he has brought in since he was named interim head coach, and how I believe what he has done can only be viewed as sensible. It's certainly a long way removed from the accusation that he has just brought in a