This rivalry between Lionel Messi and Cristiano Ronaldo is, or at least was, the greatest the sport has ever seen.
Widely regarded as this century's two greatest players, and two of the best of all time, the pair, opposite in both style and philosophy, defined a generation with their incredible achievements on the pitch, going head-to-head in a battle, often for rival teams, that saw them shatter records, claim countless trophies, and push each other to unparalleled levels of excellence.
