HOW do you sack managers like Pep Guardiola, or replace parts of the furniture like Frank Lampard? There’s an assumption that clubs will not fire people who are football luminaries or club “legends”. But it would be wrong to believe Lampard and Guardiola are untouchable, at best they will be left in a room and given the tools to “make the right decision”. This is not to suggest that either manager is at that stage of their career, but the expectation at both Chelsea and Manchester City is so high that it only needs a few bad results and doubt will set in among the movers and shakers. No manager should be unsackable, they are the employee, the club the employer. Sometimes, as we…