sentences:  During the 2006–07 season, though Milan won the 2006–07 title, Ronaldo was cup-tied with Madrid and ineligible to take part.The closest that he has been to Champions League success was in 2003 when he helped Real Madrid to the semi-finals, in which they lost to Juventus.On 13 February 2008, Ronaldo suffered a severe season-ending knee injury while jumping for a cross in Milan 1–1 draw with Livorno, and was stretchered off and taken to a hospital.