With 49 trophies won - 38 of them at Manchester United - during a glittering 39-year managerial career, Sir Alex Ferguson will be remembered as the most successful coach in world football. At the age of 71 he finally brought the curtain down on his time in football management at the conclusion to the 2012/13 season; in Ferguson: The Legacy, Michael Grant and Rob Robertson extract three key profiles from their best-selling book The Management: Scotland's Great Football Bosses to examine the three-tiered legacy of Ferguson's time at Old Trafford - the influences of Sir Matt Busby, his own career.