straight to your inboxRio Ferdinand has revealed how both he and Wayne Rooney were proven wrong by two of Sir Alex Ferguson's signings at Manchester United.The two United greats were sceptical when the club announced the arrivals of both Nemanja Vidic and Patrice Evra in January 2006, and early showings in training did little to change their minds.Ferguson looked to strengthen his squad with the acquisition of the defensive duo midway through the season, and it is safe to say Rooney's and