Rio Ferdinand celebrates his former manager, Alex Ferguson

Manchester United former coach Sir Alex Ferguson turns 79 years old today, December 31st.

Former Manchester United captain, Rio Ferdinand who is now a pundit posted a throwback snap of himself with rapper P. Diddy and sir Alex Ferguson. 

He captioned: "I always Kept The Boss up to speed with the R&B/Hip Hop scene... I know he always appreciated that!! Smiling face with open mouth and tightly-closed eyes

Happy Birthday Boss

#Legend

#Diddy"