LONDON (Reuters) - For all football's status as a global game, the pool of its top managers is relatively small and the world's leading clubs often have the feel of a tiny, gossiping village with a managerial merry-go-round on the central green.
Manchester United are replacing Louis van Gaal with his former assistant Jose Mourinho, a man Chelsea no longer wanted who has frequently clashed with new Manchester City manager Pep Guardiola.
