London - Former Manchester United defender Nemanja Vidic has retired from football. The 34-year-old, who spent eight-and-a-half seasons at Old Trafford, has decided to call time on his playing career after leaving Inter Milan by mutual consent earlier this month. United, who Vidic captained before moving to Italy in 2014, announced the news of the former Serbia international’s retirement with a statement on their official website. Vidic said: ‘The time has come for me to hang up my boots.