The Scottish master started his career at Old Trafford back in 1986 and now has reached an amazing 26 years in charge which was not lost on former Barcelona and Tottenham ace Lineker and current Red Devils defender Ferdinand.
"Fergie time has now reached 26 years at Manchester United. A truly astonishing achievement!" Lineker posted on Twitter.
Whilst Ferdinand added: "The boss has been at Man Utd #26Years today. Colossal."