Poachable Gaffers

Mayflies know they have a window – their lives vary from half an hour to the comparatively yawning time span of a full year and in that time, they have to make their mark. Similarly, the period of grace in which football managers are allowed to build their reputations gets shorter and shorter. Hang around at a waning club for too long, or step up too soon (the self-styled Guvnor) and you'll be