Everton Coach Roberto Martinez surveyed the wreckage of the English Premier League's coaching ranks and winced.
"The average length of a manager in the English game is just over a season, which is really scary," said Martinez, who has coached for seven seasons at Wigan and Everton of the EPL and never failed to be at a game. Only Arsenal's Arsene Wenger has a longer streak among current EPL coaches.
"In order to be consistent and in order to become very good in what you do, you need stability and you need consistency. Changing a manager from time to time is not going to help that."
Yet, for most EPL clubs, patience in a luxury they can no longer...