Sir Alex Ferguson received a guard of honour before his last home match after 26 years in charge of Manchester United.
The Impossible Dream rung around Old Trafford as fans waved red flags in honour of a manager who has won 13 league titles for the club.
More top news
Arthur Simpson-Kent, 48, admitted killing Ms Blake and their sons according to his lawyer.
Two brothers have been arrested on suspicion of murder after their parents were found dead in their own home over the weekend.
The first man to be convicted of murder on the basis of DNA evidence should be moved to an open prison, according to the Parole Board.