HOW OFTEN have you heard someone explain away a poor title defence with a comment like, “They needed to turn things over….they needed to rebuild”? It is true that nothing lasts forever in football and sometimes, a title winning team burns itself out in lifting the big prize. A manager gets the best out of a group of players and then they’re done. That’s unlikely to happen to Jürgen Klopp’s Liverpool, especially in the age of massive imbalance within leagues. The fact is, a title winning team does not last forever, but the core of a talented young team can extend its influence for a considerable period. It may be getting harder to do that, largely because managers come and go so quickly that…