Even in English football, where managers are generally given more time in their jobs, clubs are starting to wield the axe a lot quicker than they used to do.
There are sizeable financial pressures on teams, whether that relates to qualifying for the Champions League or avoiding relegation, and those considerations have a big bearing on the decisions that boards make.
So, it is a rarety when a manager lasts more than a few years these days. The coaches on our list are all at Premier League teams where there is a great deal of stability.
Press the next page as we count down the five longest-serving managers currently plying their trade in the English top flight.