The documentary releases Tuesday as Mourinho prepares to embark on his second stint as Real Madrid manager after returning this summer. When I left Real Madrid, I signed with Manchester United to go to Manchester United after Sir Alex, " Mourinho said. Ferguson announced his decision to step down as Man United manager at the end of the 2012-13 season, ending his historic 26-year tenure with the club. José Mourinho prepares to embark on his second stint as Real Madrid manager. NetflixReflecting on his decision to spurn United, Mourinho said: "For me to lose the chance to be the coach to succeed Sir Alex Ferguson was dramatic.