What ultimately cost Marco Silva his job at Watford is that he has been too ambitious for his own good.
He made a great start at Hull last season, giving them a fighting chance of staying up. Despite suffering relegation, it was inevitable that another top-flight club would want him in charge and he had Watford flying in his first few months in charge.
Yet as soon as Everton came calling, Silva’s head was turned. It was clear the players sensed he did not want to be there and that will have filtered through to the owners.