article_snippet: Louis van Gaal (left) and
article_snippet: Andy Cole (left) and David Beckham celebrate during a United vs Liverpool clash in 1997-98 .
article_snippet: Much of their success came under Sir Alex Ferguson (centre), and their have struggled since Sir Alex Ferguson (centre) retirement .
article_snippet: Cristiano Ronaldo (left) and David Beckham (right) left United for Real Madrid .
article_snippet: Van Gaal (second left) speaks to Van Gaal (second left) players during a training session at the club's Carrington training ground .