Sir Alex Ferguson made one Manchester United legend “angry” with his tactical decision, only for it to ‘fire up’ the former player and for him to prove him wrong. The 82-year-old former Manchester United manager was well known for his roster of talented players, including the likes of Cristiano Ronaldo and Eric Cantona. Sir Alex Ferguson oversaw incredible success at Old Trafford and brought the best in class to United, with fans left in awe at his legendary teams of the past. Considered one of the best managers of all time, the iconic Scot bowed out of United for the final time in 2013 after …