 Complete the following phrase:  Mourinho unexpectedly left Chelsea on 20 September 2007 by mutual consent, although there had been a series of disagreements with owner Abramovich. The Chelsea board held an emergency meeting and decided it was time to part with their manager. Mourinho left as the most successful manager in Chelseas history, having won six trophies for the club in three years. He was also undefeated in all home league games. Avram Grant succeeded Mourinho as Chelsea manager but failed to win any trophies in his year in charge and would be sacked at the end of the 200708 season. Grants squad managed to reach the final of the Champions League something Mourinho failed to achieve in his three years at Chelsea, reach the 