Signed Sir Alex Ferguson Upper Deck Manchester United Treble Triumph 1999 Trading CardSir Alex Ferguson is widely regarded as one of the greatest managers of all time and has won more trophies than any other manager in the history of football. Ferguson is often credited for valuing youth during his time with Manchester United, particularly in the 1990s with the "Class of 92, who contributed to making the club one of the richest and most successful in the world. The item was signed at Old Trafford and comes with a COA. See Proof Photo.