Ronaldo is an explosive goalscorer who has always relied on the influence of a hardworking centre forward to thrive. He had Rooney at Man U; he had Benzema at Madrid. The few times he played alongside Morata at Juventus he was explosive. Playing him as a lone striker alienates him. Once again, today he become more useful when Cavani occupied the lone striker role. How Solksjaer will fashion out the chance to pair him with Cavani should be his homework right now.