At the height of his powers, Danny McGrain was seen by many as the best full-back in the world. He spent his entire career with Celtic, joining them in 1967, the year they became the first British club to win the European Cup. McGrain went on to win five championships, five Scottish Cups and two League Cups with the side. He also earned 62 caps for Scotland, ten of which as captain. His career, however successful, was still beset with problems: he suffered a fractured skull in 1972 and struggled with a foot injury which left him unable to play for 18 months. In addition, he discovered that he was a diabetic during the World Cup in 1974. He nevertheless became one of Celtic’s best ever players and remained connected to the club in a coaching capacity after retiring from the game in 1987.