​  How much did the Messi-Ronaldo rivalry drive them both?How much did the Messi-Ronaldo rivalry drive them both?They were two iconic shirt celebrations that came to define a rivalry like no other – but how much did Lionel Messi and Cristiano Ronaldo drive each other?Hear from leading journalists on how two of football’s greatest players reached unprecedented heights.Watch Rivals: Messi v Ronaldo now on BBC iPlayer and listen to Sporting Giants: Messi v Ronaldo on BBC Sounds.Football1 day agoShare pageAbout sharing  BBC Sport