Manchester City’s defence of their second Premier title in three years is probably not going according to plan. Chelsea’s form, plus some slip-ups on the part of Manuel Pellegrini’s men are making it increasingly difficult for City to regain their crown. But if they do relinquish their title, City will have the consolation of a UEFA Champions League place next season. City have never been particularly good at defending the top prize, but then repeat wins are not easy to achieve. Notwithstanding that in 2012-13 they finished a tepid runners-up to neighbours United, their other title wins (1936-37 and 1967-68) have both been surrendered meekly. City are the only club to be relegated the year after topping the pile. In 1936-37, City won the…