Invalid email Something went wrong, please try again later. Sign up for our daily newsletter to get the day's biggest stories sent direct to your inboxSomething went wrong, please try again later. Their achievements speak for themselves - Ronaldo won a Ballon d'Or during his six-year stint at United, while Rooney went on to become the club's all-time leading goal-scorer. READ MORE: Manchester United must grant Wayne Rooney wish with five transfers ahead of Erik ten Hag decisionREAD MORE: ‘What’s up with him?’ - Roy Keane and Wayne Rooney question absent Manchester United starTheir friendship at United undoubtedly had its ups and downs. His move meant their sons, Cristiano Ronaldo Jr and Kai Rooney, both represented the Red Devils' U12s team.