Premier League managers have the lifespans of mayflies these days. The Match of the Day post-match interview circuit is like a constantly revolving carousel of fashionable European coaches you've not heard of and won't remember, that last guy's old assistant manager, and Roy Hodgson.
Long gone are the days of Alex Ferguson and Arsene Wenger. In fact, some of the longest-serving managers in the top flight these days are ones we've barely heard of (Jurgen... Kloop? It's not ringing a bell).
