Quiz: How well do you know Man Utd's treble-winning season? 14 Jan Premier League Betway Insider Test your knowledge of the one of the greatest ever teams in the history of English football with our tricky quiz. Visit Betway's football betting page. Betway Insider The Insider is an editorial blog for Betway, one of the best betting sites, featuring sporting insight, intelligent comment and informed betting tips for football betting and all other major sports. Follow @