Six years ago interim manager was working for a charity in south London. On Saturday he leads Chelsea out at the FA Cup final Six years ago interim manager was working for a charity in south London. On Saturday he leads Chelsea out at the FA Cup final A s meteoric rises go, Calum McFarlane’s takes some beating. Six years after he and his assistants Harry Hudson and Dan Hogan were working for a south London charity that provides football and education for disadvantaged children, they will lead