Manchester United cult hero Nani has revealed that he has always offered “advice” to one former Red Devils player and would “always be positive with him.” Sir Alex Ferguson brought Nani to Old Trafford from Sporting CP in 2007 and the Portuguese winger enjoyed silverware success at Manchester United. Nani, who signed for Primeira Liga side Estrela da Amadora in July, lifted four Premier League titles, a Champions League trophy and three League Cups. The 37-year-old Estrela da Amadora player showed moments of pure brilliance during his time at Old Trafford, but Nani struggled to consistently de…